# Search results

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## Page title matches

- {{#category_index:F|F}} ...es the storage of one coulomb. (See [[Special:MyLanguage/Dictionary:farad_(F)|''farad'']]).274 bytes (37 words) - 07:54, 18 April 2017
- {{#category_index:F|farad (F)}}292 bytes (39 words) - 08:15, 18 April 2017
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}} {{#category_index:F|''f-k'' analysis}}191 bytes (22 words) - 13:59, 13 June 2017
- ...-k''</b> <b>plots</b> (see Figure [[Special:MyLanguage/Dictionary:Fig_F-11|F-11]]) in which energy density within a given time interval is contoured on FIG. F-11.1 KB (206 words) - 11:29, 11 June 2019
- {{DISPLAYTITLE:''f-k'' filtering|noreplace}} {{#category_index:F|''f-k'' filtering}}403 bytes (47 words) - 13:55, 13 June 2017
- {{DISPLAYTITLE:''f-k'' migration|noreplace}} {{#category_index:F|''f-k'' migration}}918 bytes (96 words) - 13:49, 13 June 2017
- See [[Special:MyLanguage/Dictionary:f-k_domain|''f-k'' ''domain'']].116 bytes (13 words) - 15:54, 28 November 2020
- {{#category_index:F|F-layer}} ...usually 175 to 250 km high and is found only during daylight. The higher ''F''<sub>2</sub> layer at 250 to 400 km is present both night and day and is t712 bytes (114 words) - 08:38, 4 July 2019
- {{#category_index:P|probability functions, ''F''(''x'')}}193 bytes (22 words) - 11:00, 16 March 2020
- FIG. F-1.651 bytes (104 words) - 16:36, 20 December 2011
- FIG. F-10.590 bytes (97 words) - 16:36, 20 December 2011
- FIG. F-11. .../''k''=ω/κ). (<b>b</b>) Data beyond the Nyquist wavenumber ''f''<sub>''N''</sub> (determined by discrete spatial sampling) <b>wraps around649 bytes (110 words) - 12:00, 12 April 2012
- FIG. F-12.273 bytes (42 words) - 16:36, 20 December 2011
- FIG. F-13.634 bytes (109 words) - 16:36, 20 December 2011
- FIG. F-14. ...'+''M''</sub>), where ''Z''<sub>''i''</sub>=Σ''G''<sub>''k''</sub>''F''<sub>''i''–''k''</sub>.499 bytes (81 words) - 16:36, 20 December 2011
- ...and negative flowers at different places (see Figure [[Dictionary:Fig_F-4|F-4]]). (From Lowell, 1985, 63.)522 bytes (78 words) - 16:36, 20 December 2011
- FIG. F-16.754 bytes (124 words) - 16:36, 20 December 2011
- FIG. F-17.964 bytes (168 words) - 16:36, 20 December 2011
- ...ts for a waveform. The frequency-domain representation or spectrum ''G''(''f'') of a discrete time function ''g''<sub>''t''</sub> (waveform, seismic rec ...ath> constitute a Fourier-transform pair; see Figure [[Dictionary:Fig_F-19|F-19]].1 KB (256 words) - 08:07, 9 April 2016
- FIG. F-19. ...re neither odd nor even involve variations of phase with frequency. Note ''f''=1/''t''.496 bytes (82 words) - 16:37, 20 December 2011
- FIG. F-2.64 bytes (10 words) - 16:37, 20 December 2011
- FIG. F-20. ...ta. Note: ''g''(''t'')↔''G''(''f'') and ''h''(''t'')↔''H''(''f'').270 bytes (42 words) - 16:37, 20 December 2011
- FIG. F-21.110 bytes (14 words) - 16:37, 20 December 2011
- FIG. F-22.74 bytes (11 words) - 16:37, 20 December 2011
- FIG. F-23.214 bytes (37 words) - 16:37, 20 December 2011
- FIG. F-24.174 bytes (29 words) - 16:37, 20 December 2011
- FIG. F-25.672 bytes (111 words) - 16:37, 20 December 2011
- FIG. F-26.354 bytes (60 words) - 16:37, 20 December 2011
- FIG. F-3.57 bytes (10 words) - 16:37, 20 December 2011
- ...divergence may produce flower structures (see Figure [[Dictionary:Fig_F-12|F-12]]). (From Sheriff and Geldart, 1995, 369–370.) (<b>g</b>) Transit928 bytes (141 words) - 16:38, 3 October 2016
- FIG. F-5. A <b>fault slice</b> is made by slicing a 3D volume parallel to a picked392 bytes (63 words) - 16:37, 20 December 2011
- FIG. F-6. <b>Feathering</b> of a marine streamer. See also Figure [[Dictionary:Fig120 bytes (20 words) - 16:37, 20 December 2011
- FIG. F-7.447 bytes (73 words) - 16:37, 20 December 2011
- FIG. F-8.121 bytes (17 words) - 13:31, 4 March 2018
- FIG. F-9.89 bytes (14 words) - 16:37, 20 December 2011
- {{#category_index:Dictionary|F}} {{#category_index_get:list_values|F}}113 bytes (15 words) - 16:39, 20 December 2011
- 27 bytes (3 words) - 14:04, 17 October 2016
- 28 bytes (3 words) - 13:40, 20 November 2013
- 29 bytes (3 words) - 14:24, 17 October 2016
- 23 bytes (3 words) - 14:23, 17 October 2016
- 25 bytes (3 words) - 13:32, 17 October 2016
- | image = [[File:F._A._Van_Melle_headshot.png|180px]] '' by F. A. Van Melle''10 KB (1,702 words) - 12:23, 1 August 2014
- 28 bytes (3 words) - 11:32, 18 October 2016
- #REDIRECT [[Ben F. Giles]]26 bytes (4 words) - 18:21, 20 January 2014
- #REDIRECT [[O. F. Ritzmann]]28 bytes (4 words) - 13:25, 22 January 2014
- 25 bytes (3 words) - 11:30, 18 October 2016
- #REDIRECT [[Benjamin F. Rummerfield]]37 bytes (4 words) - 17:31, 7 February 2014
- #REDIRECT [[Benjamin F. Rummerfield]]37 bytes (4 words) - 12:43, 18 February 2014
- #REDIRECT [[Gordon F. West]]28 bytes (4 words) - 12:41, 25 February 2014
- '''J. F. Tessis (1933-1997)'''4 KB (617 words) - 11:26, 7 April 2015
- 26 bytes (3 words) - 10:54, 26 March 2014
- 28 bytes (3 words) - 14:21, 17 October 2016
- 26 bytes (3 words) - 15:26, 17 October 2016
- {{#category_index:F|F}}185 bytes (5 words) - 08:27, 4 July 2019
- {{#category_index:F|F}} ...es the storage of one coulomb. (See [[Special:MyLanguage/Dictionary:farad_(F)|''farad'']]).212 bytes (31 words) - 07:54, 18 April 2017
- {{#category_index:F|farad (F)}}233 bytes (33 words) - 08:15, 18 April 2017
- {{#category_index:F|F}}216 bytes (31 words) - 10:46, 19 April 2017
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}} {{#category_index:F|''f-k'' analysis}}156 bytes (18 words) - 12:53, 15 September 2017
- {{DISPLAYTITLE:''f-k'' filtering|noreplace}} {{#category_index:F|''f-k'' filtering}}1 KB (196 words) - 16:33, 29 November 2020
- {{DISPLAYTITLE:''f-k'' migration|noreplace}} {{#category_index:F|''f-k'' migration}}847 bytes (88 words) - 13:50, 13 June 2017
- See [[Special:MyLanguage/Dictionary:f-k_domain|''f-k'' ''domain'']].81 bytes (9 words) - 15:56, 28 November 2020
- {{DISPLAYTITLE:''f-k'' migration|noreplace}} {{#category_index:F|Migración ''f-k''}}859 bytes (94 words) - 16:33, 29 November 2020
- Ver [[Special:MyLanguage/Dictionary:f-k_domain|''dominio f-k'']].78 bytes (9 words) - 15:55, 28 November 2020
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}} {{#category_index:F|''f-k'' analysis}}156 bytes (18 words) - 13:59, 13 June 2017
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}} Ver [[Special:MyLanguage/Dictionary:f-k_domain|dominio f-k]].118 bytes (13 words) - 14:00, 13 June 2017
- {{DISPLAYTITLE:Dictionary:''f-k'' domain}} {{#category_index:F|''f-k'' domain}}1 KB (207 words) - 08:49, 23 February 2017
- {{DISPLAYTITLE:Dominio F-k|noerror}} {{#category_index:D|dominio F-k}}1 KB (271 words) - 16:34, 29 November 2020
- {{DISPLAYTITLE:''f-k'' filtering|noreplace}} {{#category_index:F|''f-k'' filtering}}344 bytes (41 words) - 09:00, 10 May 2019
- 25 bytes (3 words) - 14:05, 17 October 2016
- 28 bytes (3 words) - 14:28, 17 October 2016
- 32 bytes (3 words) - 14:41, 17 October 2016
- 29 bytes (3 words) - 14:44, 17 October 2016
- 26 bytes (3 words) - 14:58, 17 October 2016
- 27 bytes (3 words) - 14:58, 17 October 2016
- 27 bytes (3 words) - 15:01, 17 October 2016
- 27 bytes (3 words) - 15:21, 17 October 2016
- 34 bytes (3 words) - 15:25, 17 October 2016
- 25 bytes (3 words) - 11:38, 18 October 2016
- 39 bytes (5 words) - 13:21, 17 October 2016
- FIG. F-8.76 bytes (12 words) - 13:39, 4 March 2018
- FIG. F-8.74 bytes (11 words) - 10:19, 28 March 2018
- {{#category_index:F|F-layer}} ...a de 175 a 250 km y se encuentra solo durante el día. La capa más alta ''F''<sub>2</sub>1 KB (244 words) - 12:54, 22 June 2021
- ...nto de un culombio. Llamado así en honor a Michael Faraday (1791–1867), físico inglés.264 bytes (39 words) - 13:05, 22 June 2021
- {{#category_index:P|probability functions, ''F''(''x'')}} FIG. P-13. Funciones de probabilidad, F(x).161 bytes (22 words) - 08:47, 31 May 2020
- {{#category_index:P|probability functions, ''F''(''x'')}}131 bytes (16 words) - 11:00, 16 March 2020
- {{DISPLAYTITLE:''f-k'' filtering|noreplace}}162 bytes (6 words) - 09:15, 10 May 2019
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}}76 bytes (6 words) - 11:24, 11 June 2019
- ...了交叉阴影。通过原点的径向线表示恒定的视速度 Va (Va=f/k=ω/κ). (b) 超过尼奎斯特波数fN(由离散空间采样决定)外的804 bytes (23 words) - 11:56, 11 June 2019
- {{DISPLAYTITLE:''f-k'' migration|noreplace}} {{#category_index:F|''f-k'' migration}}868 bytes (71 words) - 17:22, 17 June 2019
- 38 bytes (2 words) - 15:55, 28 November 2020
- {{#category_index:F|F-layer}} ...usually 175 to 250 km high and is found only during daylight. The higher ''F''<sub>2</sub> layer at 250 to 400 km is present both night and day and is t650 bytes (108 words) - 08:39, 4 July 2019
- {{#category_index:F|F-layer}}581 bytes (30 words) - 13:11, 30 July 2019
- {{#category_index:F|F-layer}} ...usually 175 to 250 km high and is found only during daylight. The higher ''F''<sub>2</sub> layer at 250 to 400 km is present both night and day and is t650 bytes (108 words) - 13:33, 22 July 2019
- {{#category_index:F|F-layer}}575 bytes (30 words) - 13:11, 30 July 2019
- ...and displacement domain, is converted into the frequency and wave number (F-k) domain as seen in [[:File:Fk domain.png|figure 1]] below. The [[Seismic ...nal and to be removed from the record. To accomplish this you can use the F-k, or pie slice, filter in which the range of apparent velocities can be se6 KB (961 words) - 16:49, 4 December 2019
- |Item=Blaster Model "F"406 bytes (56 words) - 11:00, 1 November 2019
- |Item=Geophone Type G3 F426 bytes (61 words) - 11:19, 1 November 2019
- |Item=Geophone Type G3 F418 bytes (61 words) - 11:33, 1 November 2019
- |Item=Connector Scorpio SC 28M/F "Y"372 bytes (55 words) - 11:57, 1 November 2019
- 166 bytes (4 words) - 09:15, 10 November 2019
- ...''b''. Determine this frequency for the following beds. [Note: <math>V = \;f\lambda </math>.]8 KB (992 words) - 13:49, 3 May 2021
- ...''b''. Determine this frequency for the following beds. [Note: <math>V = \;f\lambda </math>.]7 KB (914 words) - 13:49, 3 May 2021
- ...''b''. Determine this frequency for the following beds. [Note: <math>V = \;f\lambda </math>.]7 KB (922 words) - 16:43, 7 May 2021

## Page text matches

- ...E</math> = energy lost in one cycle, <math>\lambda</math> = wavelength, ''f'' = frequency, ''x'' = distance, ''t'' = time, <math>\frac{A}{A_{0}} = \fra2 KB (240 words) - 11:39, 17 October 2016
- ...</b>) <b>Pulse-width modulation</b> (PWM); the width of pulses varies. (<b>f</b>) <b>Pulse-spacing modulation</b>; the timing of pulses varies. See also980 bytes (152 words) - 11:31, 8 December 2017
- (∂’ fīn) Denoting the relation between local grid coordinates and absolute224 bytes (28 words) - 15:04, 23 January 2018
- (af mag’) <b>A</b>udio-<b>F</b>requency <b>MAG</b>netic technique, the use of natural electromagnetic n750 bytes (109 words) - 12:35, 17 October 2016
- ...velocity of sound: ''V''≈1051+1.1 ''F'' ft/s, where ''F''=Fahrenheit temperature, or ''V''≈331.5+0.607 ''C'' m480 bytes (69 words) - 12:22, 17 October 2016
- .../''k''=ω/κ). (<b>b</b>) Data beyond the Nyquist wavenumber ''f''<sub>''N''</sub> (determined by discrete spatial sampling) <b>wraps around ...f''<sub>''N''</sub> + Δ''f'' and ''f''<sub>''N''</sub> – Δ''f'', are ''aliases'' of each other. [[File:Sega8.jpg|left|thumb|300px|FIG. A-4 KB (611 words) - 17:32, 26 February 2018
- ...h attenuation above the Nyquist frequency; see Figure [[Dictionary:Fig_F-9|F-9]]. Also called <b>antialias filter</b>.548 bytes (81 words) - 12:58, 17 October 2016
- (al f∂ m∂r’ ik) [[Special:MyLanguage/Dictionary:alphanumeric228 bytes (27 words) - 18:02, 26 February 2018
- (al f∂ nu’ m∂r, ik) Pertaining to a character set containing244 bytes (32 words) - 17:57, 26 February 2018
- (∂’ mor f∂s) Lacking crystal structure.179 bytes (21 words) - 14:20, 14 March 2018
- ...nds: Geophysics, 54, 680–688.</ref>, and Hilterman (2001)<ref>Hilterman, F. J., 2001, Seismic amplitude interpretation. SEG-EAEG Distinguished Instruc3 KB (408 words) - 16:24, 8 September 2020
- '''1'''. For a signal such as ''f''(''t''), see [[Special:MyLanguage/Dictionary:Hilbert_transform|''Hilbert t '''2'''. The analytic signal <b>A</b> of a potential field <b>F</b> is1 KB (201 words) - 14:39, 9 April 2018
- A mixture of <b>A</b>mmonium <b>N</b>itrate and <b>F</b>uel <b>O</b>il used as an explosive.169 bytes (34 words) - 13:31, 17 October 2016
- ...f''=frequency in Hz, the angular frequency ω is ω=2π''f''.253 bytes (35 words) - 22:21, 3 January 2018
- ...n without the rotation. See Figure [[Special:MyLanguage/Dictionary:Fig_F-5|F-5]].506 bytes (77 words) - 09:31, 4 March 2018
- <center><math>\rho_\mathrm{a} = \frac{\rho_\mathrm{HS} F(V)}{F(V_\mathrm{HS})} </math></center> where ρ<sub>''HS''</sub>=resistivity of a homogeneous half-space, ''F'' is a function of ''V''=observed voltage, and ''V''<sub>''HS''</sub>=volta3 KB (368 words) - 14:38, 11 March 2018
- ...ode or halfway between the two poles. Also called a <b>half-Wenner array. (f) Radial array</b>; see [[Special:MyLanguage/Dictionary:azimuthal_survey|''a4 KB (586 words) - 18:58, 14 December 2017
- ...; (<b>c</b>) cross; (<b>d</b>) 3×3 diamond; (<b>e</b>) X-array; (<b>f</b>) rectangular array; (<b>g</b>) crow’s-foot array; (<b>h</b>) odd3 KB (430 words) - 18:19, 6 June 2020
- ...E</math> = energy lost in one cycle, <math>\lambda</math> = wavelength, ''f'' = frequency, ''x'' = distance, ''t'' = time, <math>\frac{A}{A_{0}} = \fra2 KB (217 words) - 13:15, 6 February 2018
- ...|issue=10|year=1995|pages=1053–1058|doi=10.1190/1.1437077}}</ref>. (<b>e,f</b>) Horizon slices illuminated in different directions; the direction of i7 KB (961 words) - 15:01, 6 February 2018
- ...aystyle \int^{t_2}_{t_1} f(t) f(t+\tau) dt }{\displaystyle\int^{t_2}_{t_1} f^2(t)dt} </math>,</center> where ''f''(''t'') represents a waveform (or seismic trace) and <math> \tau </math> i2 KB (257 words) - 02:06, 25 December 2017
- ...02;ns) Similar to an autocorrelation except that the mean value <math>\bar{f} </math> is subtracted before the integration, and normalization is not don ...ter><math>\int^{t_2}_{t_1} \left[ f(t) - \bar{f}\right]\left[(t-\tau)-\bar{f}\right] dt</math> .</center>582 bytes (92 words) - 02:42, 25 December 2017
- ...alled <b>ab plane</b>. See Figure [[Special:MyLanguage/Dictionary:Fig_F-17|F-17]]. [[File:Segf17.jpg|thumb|center}FIG. F-17. <b>Folding</b>. (<b>a</b>) The <b>plunge</b> of an anticline is the ang1 KB (227 words) - 20:55, 3 January 2018
- <center><math>\int_{0}^{\infty}\frac{p(f)df}{p_{max}} ;</math></center> where <math>p\left ( f \right )</math> is the power at the frequency <math>f</math> and <math>p_{max}</math> is the maximum power. It is the width of a939 bytes (153 words) - 23:09, 30 January 2017
- ...nt foliation surfaces. See Figure [[Special:MyLanguage/Dictionary:Fig_F-17|F-17]].408 bytes (55 words) - 10:40, 10 March 2020
- ...volved in earthquakes. See Figure [[Special:MyLanguage/Dictionary:Fig_F-10|F-10]].429 bytes (51 words) - 13:34, 16 November 2017
- (bō’ f∂rt) A numerical scale indicating wind speed. See Figure [[Special:My411 bytes (52 words) - 09:48, 15 December 2017
- <center><math> F(x,y)= \sum^{3}_{i=0}\sum^{3}_{j=0} c_{ij} x^i y^j</math> </center>432 bytes (68 words) - 10:22, 24 March 2017
- ...hould be smaller than ''V''/(4''f''sinθ) where ''V'' is velocity, ''f'' is dominant frequency, and θ is the apparent dip.601 bytes (96 words) - 11:06, 24 March 2017
- ..., b'' are constants. Named for [[Special:MyLanguage/Albert F. Birch|Albert F. Birch]] (1903-1992), American geophysicist.669 bytes (100 words) - 10:46, 10 March 2020
- An ''f-k'' (velocity) filter that rejects a prescribed band of apparent velocities362 bytes (48 words) - 22:11, 14 May 2017
- ...cage. See ''Flexotir'' and Figure [[Special:MyLanguage/Dictionary:Fig_F-13|F-13]].438 bytes (61 words) - 15:38, 29 January 2017
- <center><math>X_c=\frac{1}{2\pi f C}</math>,</center> where ''f'' is frequency in hertz, ''C'' is capacitance in farads and ''X''<sub>C</su992 bytes (117 words) - 21:14, 27 February 2017
- ...ontour ''C'' can be expressed in terms of a line integral along ''C'' if ''f''(''z'') is a continuous analytic function: <center><math>f(a)=\frac {1}{2\pi i} \oint \frac {f(z)}{z-z_0}dz </math>.</center>587 bytes (85 words) - 18:46, 15 April 2017
- <center> <math> F(\omega) = \int_0^\infty f(t) e^{i \omega t } \; dt </math> </center> <center> <math> f(t) = \int_{-\infty}^\infty F(\omega) e^{-i \omega t } \; dt. </math> </center>8 KB (1,347 words) - 16:34, 26 September 2019
- ...rade</b>. If ''T''<sub>''C''</sub>, ''T''<sub>''K''</sub>, and ''T''<sub>''F''</sub> are Celsius, Kelvin, and Fahrenheit temperatures, respectively,578 bytes (87 words) - 18:49, 15 April 2017
- <b>C</b>ommon <b>F</b>ocusing <b>P</b>oint, involved in imaging. See common-image point.188 bytes (29 words) - 10:26, 11 July 2017
- ...ance. The chi-square test is a statistical test of data distribution. If ''f''<sub>''i''</sub> are observed, frequencies of occurrence and ''e''<sub>''i869 bytes (139 words) - 10:37, 28 November 2017
- Angular frequency ω=2π''f'', where ''f''=ordinary frequency.202 bytes (24 words) - 12:56, 28 November 2017
- <center><math>\text{comb}(t)\leftrightarrow\text{comb}(f) </math>,</center> ...uage/Dictionary:Fig_C-8|C-8]] and [[Special:MyLanguage/Dictionary:Fig_F-19|F-19]].1 KB (188 words) - 14:27, 11 April 2017
- ...the field of complex numbers to the field of complex numbers, then <math> f(z) </math> must, itself be the sum of a purely real valued function <math> <center> <math> f(z) = u(x,y) + i v(x,y). </math> </center>7 KB (1,124 words) - 00:09, 21 March 2020
- ...lex number representation <math> F(t)</math> of a real time-series <math> f(t)</math>: <center><math>F(t)= f(t)+ i f_{\perp}(t)=A(t)e^{i \phi(t)} </math>,</center>6 KB (1,026 words) - 09:43, 10 August 2017
- ...mputer program is shown in Figure [[Special:MyLanguage/Dictionary:Fig_F-14|F-14]]. <b>3</b>. An <b>analog computer</b> uses a physical analogy of positi749 bytes (107 words) - 17:07, 4 June 2017
- Any 2D function <math> F(z) </math> may be written in terms of orthogonal conjugate functions <math> <center><math>F(z)=F(x+jy)=\phi(x,y)+j\psi(x,y) </math>.</center>354 bytes (58 words) - 18:00, 23 July 2017
- ...', ''F''(''x'',''y'',''z''), can be found from the field on the surface, ''F''(''x'' ', ''y'' ',0). Where the surfaces are horizontal and no sources int <center><math>F(x,y,z)=\frac{\left|z\right|}{2\pi}\iint \frac{F(x',y',0}{R^3}dx' dy' </math>.</center>920 bytes (132 words) - 10:11, 20 August 2017
- '''1'''. A mathematical operation between two functions, ''g''(''t'') and ''f''(''t''), often symbolized by an asterisk: <center><math>g(t)\ast f(t)=\int_\tau g(\tau)f(t-\tau)d\tau </math>.</center>3 KB (461 words) - 10:57, 4 December 2017
- The concept that a seismic trace ''f''(''t'') can be represented by the convolution of an embedded (equivalent) <center><math>f(t)=w(t)\ast r(t)+n(t) </math></center>863 bytes (134 words) - 12:52, 4 December 2017
- ...ge/Dictionary:Fig_F-20|F-20]] and [[Special:MyLanguage/Dictionary:Fig_F-22|F-22]]. The process of convolution of two functions <math> f(t)</math> and <math> g(t) </math> is defined in one dimension, as6 KB (1,039 words) - 09:27, 20 June 2017
- A force ''F'' exists between electrical charges ''Q''<sub>1</sub> and ''Q''<sub>2</sub> <center><math>F=\frac{kQ_1 Q_2 }{r^2} = \frac{Q_1 Q_2}{4 \pi \varepsilon r^2 } </math></cen532 bytes (82 words) - 10:22, 20 April 2021
- ...r><math> \phi_{12}(\tau) \leftrightarrow \overline{G_1(f)}G_2(f)=\Phi_{12}(f)</math>, </center> ...s-energy spectrum</b>. See Figure [[Special:MyLanguage/Dictionary:Fig_F-22|F-22]] and Sheriff and Geldart (1995, 285, 538, and 541-542) <ref>Sheriff, R.1 KB (153 words) - 09:17, 2 October 2017
- ...um; <b>flattening</b> (see Figure [[Special:MyLanguage/Dictionary:Fig_F-12|F-12]]) thereby assuming that everything was horizontal at the time of the pa593 bytes (85 words) - 07:25, 14 February 2017
- ...o make all frequency components within a band-pass equal in amplitude; <b>(f) shaping</b> the amplitude-frequency and/or phase response to match that of2 KB (257 words) - 09:50, 23 March 2017
- ...te is <b>sinistral</b>. See Figure [[Special:MyLanguage/Dictionary:Fig_F-4|F-4]].332 bytes (47 words) - 19:29, 7 March 2017
- <b>D</b>elayed <b>F</b>ission <b>N</b>eutron log.149 bytes (24 words) - 18:25, 3 April 2017
- <b>D</b>igital (seismic) <b>F</b>ield <b>S</b>ystem. Texas Instruments tradename.181 bytes (27 words) - 18:24, 3 April 2017
- <center> <math> \int_{-\infty}^{\infty} f(t) \delta(t) \; dt = f(0). </math> </center> ...ath> \lim_{n\rightarrow \infty} \int_{-\infty}^{\infty} f(t) S_n(t)\; dt = f(0). </math> </center>6 KB (878 words) - 15:28, 27 November 2017
- ...etrain so that use of steady-state patterns can be misleading. A plot in ''f-k'' space is a form of directivity graph showing also the frequency-depende1 KB (195 words) - 15:32, 27 November 2017
- ...ssary and sufficient conditions for a Fourier series: In any region: (a) ''f''(''x'') is continuous except for a finite number of finite discontinuities444 bytes (62 words) - 21:00, 24 January 2017
- ...tinct from phase velocity ''V''. Where <math>\lambda </math>=wavelength, ''f''=frequency, and ''V''=phase velocity, <center><math>V=f\lambda=\frac{f}{1/\lambda} </math>.</center>2 KB (237 words) - 08:32, 20 June 2017
- .... The percent harmonic distortion is a measure of fidelity; if ''E''<sub>''f''</sub> is the rms voltage of the fundamental and ''E''<sub>''n''</sub> is2 KB (254 words) - 21:04, 3 April 2017
- <center><math>F(x)=\int P[x]dx </math>.</center>452 bytes (67 words) - 21:06, 3 April 2017
- ...aces having the same source; (<b>e</b>) <b>common-receiver gather</b>; (<b>f</b>) <b>common-offset gather</b>. (<b>g</b>) If there are horizontal veloci ...urnal |last=Bolondi |first=G |last2=Loinger |first2=E |last3=Rocca |first3=F |date=1982 |title=Offset continuation of seismic sections|journal=Geophysic5 KB (744 words) - 20:46, 4 May 2017
- U.S. <b>D</b>epartment <b>O</b>f <b>D</b>efense.148 bytes (25 words) - 20:46, 4 May 2017
- U.S. <b>D</b>epartment <b>O</b>f <b>E</b>nergy.147 bytes (25 words) - 15:37, 21 November 2018
- ...y is the independent variable; in the <b>''f,k''</b> <b>domain</b> or <b>''f,k''</b> <b>space</b>, frequency and wavenumber are the independent variable1 KB (183 words) - 22:45, 7 June 2017
- ...osξsinξ, where ξ is the dip (Levin, 1971)<ref> Levin, F. K., 1971, Apparent velocity from dipping interface reflections: Geophysics3 KB (432 words) - 16:07, 31 January 2017
- (∂rth hō’log r∂ fē) Recording of the wave pattern from a constant frequency source alo506 bytes (73 words) - 13:51, 6 February 2017
- ...b = 1/(1-f) = (1 - \varepsilon^2)^{-1/2}</math>; <b>flattening</b> <math>= f = (a - b)/a = 1 - 1/E</math>; and <math>\theta</math> = <b>eccentric</b> <b1 KB (212 words) - 13:35, 23 December 2018
- <b>E</b>levation <b>C</b>orrection <b>F</b>actor. See [[Dictionary:elevation_correction|''elevation correction'']].190 bytes (27 words) - 12:54, 17 October 2016
- ...tionary:Fig_A-22|A-22]] and also ''[[Special:MyLanguage/Dictionary:F-layer|F-layer]]'' and ''[[Special:MyLanguage/Dictionary:D-layer|D-layer]]''. <b>2</635 bytes (97 words) - 13:33, 6 February 2017
- <b>E</b>xtremely <b>L</b>ow <b>F</b>requency; electromagnetic energy between 300 and 3000 Hz. Natural energy385 bytes (53 words) - 17:54, 29 July 2018
- [[Special:MyLanguage/Dictionary:error_function|<b>''ER''</b>''ror''<b>''F''</b>''unction'']] (q.v.).230 bytes (29 words) - 18:01, 19 February 2017
- ...r><math>(x-x_0)\frac{dF}{dx}+(y-y_0)\frac{dF}{dy}+(z-z_0)\frac{dF}{dz}=N(B-F)</math>,</center> ..._{0},y_{0},z_{0})</math> is the source location whose magnetic field <math>F</math> is measured at <math>(x,y,z)</math>; ''B'' is the regional value of1 KB (181 words) - 22:01, 22 February 2017
- ...same value when the sign of the variable is changed; i.e., ''f''(''x'')=''f''(–''x''). The Fourier transform of an even function is the <b>cosin527 bytes (82 words) - 10:32, 27 February 2017
- <center><math>F(f)=1-e^{-f\phi}</math>,</center> ...the mean. It has a high initial value and then declines with increasing ''f''. Often used to model effects that vary with their separation.413 bytes (61 words) - 14:42, 7 February 2017
- {{#category_index:F|F}} ...es the storage of one coulomb. (See [[Special:MyLanguage/Dictionary:farad_(F)|''farad'']]).274 bytes (37 words) - 07:54, 18 April 2017
- {{#category_index:F|fabric}}864 bytes (92 words) - 20:30, 21 October 2019
- {{#category_index:F|facies}} (fā’ shēz) <b>1</b>. The characteristics that distinguish515 bytes (64 words) - 21:55, 9 April 2017
- {{#category_index:F|facies analysis}}215 bytes (23 words) - 17:12, 10 April 2017
- {{#category_index:F|factor analysis}}1 KB (163 words) - 20:38, 21 October 2019
- {{#category_index:F|fade}}162 bytes (17 words) - 07:55, 18 April 2017
- {{#category_index:F|failed arm}}314 bytes (45 words) - 07:56, 18 April 2017
- {{#category_index:F|fairing}}517 bytes (71 words) - 07:56, 18 April 2017
- {{#category_index:F|fairway}}447 bytes (64 words) - 07:57, 18 April 2017
- {{#category_index:F|FAL}} [[Special:MyLanguage/Dictionary:formation-analysis_log_(FAL)|<b>''F''</b>''ormation''-<b>''A''</b>''nalysis'' <b>''L''</b>''og'']] (q.v.).239 bytes (31 words) - 21:01, 22 October 2019
- {{#category_index:F|false color}}456 bytes (59 words) - 07:57, 18 April 2017
- {{#category_index:F|false crossover}}194 bytes (26 words) - 08:12, 18 April 2017
- {{#category_index:F|false easting, false northing}}250 bytes (28 words) - 08:12, 18 April 2017
- {{#category_index:F|faltung}}258 bytes (29 words) - 08:12, 18 April 2017
- {{#category_index:F|Famous}}213 bytes (23 words) - 21:07, 22 October 2019
- {{#category_index:F|fan-filter}}197 bytes (21 words) - 16:08, 25 February 2017
- {{#category_index:F|fan shooting}} ...l high-velocity bodies. See Figure [[Special:MyLanguage/Dictionary:Fig_F-1|F-1]].242 bytes (29 words) - 08:14, 18 April 2017
- {{#category_index:F|fantom}}177 bytes (19 words) - 16:09, 25 February 2017
- {{#category_index:F|farad (F)}}292 bytes (39 words) - 08:15, 18 April 2017
- {{#category_index:F|faradaic}}512 bytes (70 words) - 08:15, 18 April 2017
- {{#category_index:F|faraday}}259 bytes (31 words) - 08:16, 18 April 2017
- {{#category_index:F|Faraday’s law of induction}}748 bytes (129 words) - 10:30, 20 April 2021
- {{#category_index:F|far-angle stack}}363 bytes (52 words) - 16:09, 25 February 2017
- {{#category_index:F|far-field}}572 bytes (77 words) - 08:15, 18 April 2017
- {{#category_index:F|farm-out, farm-in}}312 bytes (42 words) - 08:17, 18 April 2017
- {{#category_index:F|far-offset stack}}313 bytes (42 words) - 16:09, 25 February 2017
- {{#category_index:F|far-zone sounding}}506 bytes (59 words) - 11:11, 10 January 2019
- {{#category_index:F|fast Fourier transform (FFT)}}441 bytes (53 words) - 08:54, 23 February 2017
- {{#category_index:F|fast in, slow out (FISO)}}225 bytes (27 words) - 20:29, 29 July 2018
- {{#category_index:F|fathom}}133 bytes (15 words) - 11:32, 10 January 2019
- {{#category_index:F|fathometer}}229 bytes (31 words) - 19:26, 12 August 2018
- {{#category_index:F|fatigue}}209 bytes (25 words) - 11:33, 10 January 2019
- {{#category_index:F|fault}} ...uage/Dictionary:Fig_F-3|F-3]], and [[Special:MyLanguage/Dictionary:Fig_F-4|F-4]].5 KB (824 words) - 10:58, 9 April 2019
- {{#category_index:F|fault cut}}188 bytes (22 words) - 11:34, 10 January 2019
- {{#category_index:F|faulted slab}}215 bytes (25 words) - 11:43, 10 January 2019
- {{#category_index:F|fault-plane solutions}}354 bytes (44 words) - 19:27, 12 August 2018
- {{#category_index:F|fault polygons}}300 bytes (37 words) - 11:36, 10 January 2019
- {{#category_index:F|fault seal analysis}}667 bytes (94 words) - 20:42, 29 July 2018
- {{#category_index:F|fault shadow}}373 bytes (55 words) - 11:37, 10 January 2019
- {{#category_index:F|fault slice}} ...13;22, 225–232) and Figures [[Special:MyLanguage/Dictionary:Fig_F-5|F-5]] and [[Special:MyLanguage/Dictionary:Fig_T-5|T-5]].1 KB (184 words) - 11:40, 10 January 2019
- {{#category_index:F|fault trace}}208 bytes (30 words) - 20:48, 29 July 2018
- {{#category_index:F|Faust’s equations}}1 KB (198 words) - 10:29, 16 March 2020
- {{#category_index:F|FD}} <b>F</b>requency <b>D</b>omain. See [[Special:MyLanguage/Dictionary:frequency-do221 bytes (27 words) - 11:47, 10 January 2019
- {{#category_index:F|FDC}} <b>C</b>ompensated <b>F</b>ormation-<b>D</b>ensity log; see [[Special:MyLanguage/Dictionary:density247 bytes (35 words) - 11:48, 10 January 2019
- {{#category_index:F|FDEM, FEM}} <b>F</b>requency-<b>D</b>omain <b>E</b>lectro<b>M</b>agnetics; see [[Special:MyL261 bytes (36 words) - 20:52, 29 July 2018
- {{#category_index:F|FDL}} <b>F</b>ormation-<b>D</b>ensity <b>L</b>og; see [[Special:MyLanguage/Dictionary:210 bytes (31 words) - 11:48, 10 January 2019
- {{#category_index:F|feathering}} ...e to the seismic line. See Figures [[Special:MyLanguage/Dictionary:Fig_F-6|F-6]] and [[Special:MyLanguage/Dictionary:Fig_T-4|T-4]].1 KB (205 words) - 19:52, 9 January 2019
- {{#category_index:F|feather edge}}355 bytes (53 words) - 19:27, 12 August 2018
- {{#category_index:F|feather pattern}}325 bytes (45 words) - 19:41, 9 January 2019
- {{#category_index:F|feedback}}470 bytes (73 words) - 11:48, 7 November 2018
- {{#category_index:F|feedback filter}}204 bytes (22 words) - 16:09, 25 February 2017
- {{#category_index:F|Fejer kernel window}} (fā’ j∂r)476 bytes (68 words) - 20:57, 29 July 2018
- {{#category_index:F|felsic}}279 bytes (35 words) - 19:56, 9 January 2019
- {{#category_index:F|''FEM''=''FDEM''}} <b>F</b>requency-<b>D</b>omain <b>E</b>lectro<b>M</b>agnetics; see [[Special:MyL268 bytes (36 words) - 10:26, 20 April 2021
- {{#category_index:F|fence diagram}} ...fence-diagram is shown in Figures [[Special:MyLanguage/Dictionary:Fig_F-7|F-7]] and [[Special:MyLanguage/Dictionary:Fig_T-6|T-6]].469 bytes (63 words) - 20:58, 29 July 2018
- {{#category_index:F|fence effect}}450 bytes (63 words) - 16:59, 9 April 2019
- {{#category_index:F|Fermat path}}245 bytes (33 words) - 17:38, 29 October 2018
- {{#category_index:F|Fermat’s principle}}777 bytes (120 words) - 10:30, 16 March 2020
- {{#category_index:F|ferrimagnetism}}543 bytes (66 words) - 20:08, 9 January 2019
- {{#category_index:F|ferromagnetic}}779 bytes (103 words) - 17:08, 30 October 2018
- {{#category_index:F|FET}} [[Special:MyLanguage/Dictionary:field-effect_transistor_(FET)|<b>''F''</b>''ield''-<b>''E''</b>''ffect'' <b>''T''</b>''ransistor'']] (q.v.).241 bytes (31 words) - 17:39, 29 October 2018
- {{#category_index:F|fetch}}306 bytes (43 words) - 17:09, 30 October 2018
- {{#category_index:F|FFI}} ...cial:MyLanguage/Dictionary:free-fluid_index_(FFI)|<b>''F''</b>''ree'' <b>''F''</b>''luid'' <b>''I''</b>''ndex'']] (q.v.). See also [[Special:MyLanguage/334 bytes (42 words) - 17:39, 29 October 2018
- {{#category_index:F|FFT}} ...yLanguage/Dictionary:fast_Fourier_transform_(FFT)|<b>''F''</b>''ast'' <b>''F''</b>''ourier'' <b>''T''</b>''ransform'']] (q.v.).238 bytes (32 words) - 17:18, 30 October 2018
- {{#category_index:F|Fick’s law}}268 bytes (41 words) - 10:30, 16 March 2020
- {{#category_index:F|fiducials}}460 bytes (73 words) - 20:58, 29 July 2018
- {{#category_index:F|fiducial time}}308 bytes (44 words) - 17:18, 30 October 2018
- {{#category_index:F|field}}795 bytes (115 words) - 17:18, 30 October 2018
- {{#category_index:F|field balance}}209 bytes (23 words) - 17:18, 30 October 2018
- {{#category_index:F|field continuation}}196 bytes (19 words) - 20:58, 29 July 2018
- {{#category_index:F|field-effect transistor (FET)}}474 bytes (65 words) - 21:02, 29 July 2018
- {{#category_index:F|field file}}206 bytes (25 words) - 17:18, 30 October 2018
- {{#category_index:F|field filter}}181 bytes (23 words) - 13:12, 1 March 2017
- {{#category_index:F|field impedance}}187 bytes (19 words) - 19:27, 12 August 2018
- {{#category_index:F|field intensity}}464 bytes (70 words) - 19:20, 22 January 2018
- {{#category_index:F|field of view}}193 bytes (25 words) - 17:19, 30 October 2018
- {{#category_index:F|field processing}}478 bytes (67 words) - 13:13, 1 March 2017
- {{#category_index:F|field tape}}278 bytes (39 words) - 13:13, 1 March 2017
- {{#category_index:F|field timing}}488 bytes (73 words) - 17:19, 30 October 2018
- {{#category_index:F|figure of merit}}499 bytes (69 words) - 17:19, 30 October 2018
- {{#category_index:F|figure of the Earth}}186 bytes (22 words) - 19:27, 12 August 2018
- {{#category_index:F|file}}312 bytes (46 words) - 14:39, 2 March 2017
- {{#category_index:F|file protect}}248 bytes (31 words) - 14:40, 2 March 2017
- {{#category_index:F|file transfer protocol (FTP)}}213 bytes (24 words) - 14:40, 2 March 2017
- {{#category_index:F|filter}} ...amplitude may be used. See Figure [[Special:MyLanguage/Dictionary:Fig_F-8|F-8]].3 KB (452 words) - 17:19, 30 October 2018
- {{#category_index:F|filter analysis}}165 bytes (20 words) - 13:13, 1 March 2017
- {{#category_index:F|filter cake}}211 bytes (24 words) - 09:31, 11 April 2019
- {{#category_index:F|filter correction}}208 bytes (25 words) - 13:14, 1 March 2017
- {{#category_index:F|filtering}} ...ary:filter|''filter'']] and Figure [[Special:MyLanguage/Dictionary:Fig_F-8|F-8]].435 bytes (56 words) - 13:15, 1 March 2017
- {{#category_index:F|filter panel}}275 bytes (38 words) - 13:14, 1 March 2017
- {{#category_index:F|filter scan}}192 bytes (22 words) - 13:14, 1 March 2017
- {{#category_index:F|filtrate}}282 bytes (37 words) - 10:27, 10 January 2019
- {{#category_index:F|filtration rate}}670 bytes (107 words) - 21:03, 29 July 2018
- {{#category_index:F|fines}}150 bytes (17 words) - 10:30, 10 January 2019
- {{#category_index:F|fingering}}220 bytes (26 words) - 10:50, 10 January 2019
- {{#category_index:F|fingerprinting oil}}244 bytes (25 words) - 21:03, 29 July 2018
- {{#category_index:F|fingers}}322 bytes (44 words) - 10:51, 10 January 2019
- {{#category_index:F|fining upward}}230 bytes (28 words) - 21:03, 12 August 2018
- {{#category_index:F|finite-difference method}}350 bytes (45 words) - 13:15, 1 March 2017
- {{#category_index:F|finite-element method}}279 bytes (33 words) - 13:15, 1 March 2017
- {{#category_index:F|fire-flood}}200 bytes (20 words) - 10:55, 10 January 2019
- {{#category_index:F|firewall}}170 bytes (19 words) - 14:39, 2 March 2017
- {{#category_index:F|FIR filter}} A filter with <b>F</b>inite-duration <b>I</b>mpulse <b>R</b>esponse.175 bytes (27 words) - 13:16, 1 March 2017
- {{#category_index:F|firing}}213 bytes (26 words) - 10:57, 10 January 2019
- {{#category_index:F|firing rate}}199 bytes (26 words) - 10:57, 10 January 2019
- {{#category_index:F|firmware}}195 bytes (24 words) - 08:32, 14 June 2017
- {{#category_index:F|first arrival}}192 bytes (22 words) - 13:16, 1 March 2017
- {{#category_index:F|first break}}442 bytes (59 words) - 13:16, 1 March 2017
- {{#category_index:F|first-break intercept-time method}}290 bytes (36 words) - 13:16, 1 March 2017
- {{#category_index:F|first motion}} ...ve from an earthquake. See Figure [[Special:MyLanguage/Dictionary:Fig_F-10|F-10]].275 bytes (38 words) - 21:03, 29 July 2018
- {{#category_index:F|first-order triangulation}}205 bytes (19 words) - 18:30, 16 January 2018
- {{#category_index:F|first point of Aries}}184 bytes (21 words) - 10:31, 10 January 2019
- {{#category_index:F|fish}}429 bytes (65 words) - 18:30, 16 January 2018
- {{#category_index:F|fishnet plot}}253 bytes (34 words) - 18:31, 16 January 2018
- {{#category_index:F|fishtail bit}}291 bytes (41 words) - 18:31, 16 January 2018
- {{#category_index:F|fish trap}}191 bytes (24 words) - 18:30, 16 January 2018
- {{#category_index:F|fission track dating}}695 bytes (109 words) - 18:31, 16 January 2018
- {{#category_index:F|five-spot pattern}}248 bytes (31 words) - 18:32, 16 January 2018
- {{#category_index:F|fix}}382 bytes (52 words) - 18:32, 16 January 2018
- {{#category_index:F|fixed data}}239 bytes (36 words) - 18:33, 16 January 2018
- {{#category_index:F|fixed field}}151 bytes (17 words) - 18:33, 16 January 2018
- {{#category_index:F|fixed layer}}319 bytes (47 words) - 18:33, 16 January 2018
- {{#category_index:F|fixed-layer capacitance}}193 bytes (21 words) - 18:32, 16 January 2018
- {{#category_index:F|fixed point}}337 bytes (43 words) - 18:33, 16 January 2018
- {{#category_index:F|fixed-source method}}401 bytes (50 words) - 18:32, 16 January 2018
- {{#category_index:F|fizz water}}329 bytes (41 words) - 18:34, 16 January 2018
- {{DISPLAYTITLE:''f-k'' analysis|noreplace}} {{#category_index:F|''f-k'' analysis}}191 bytes (22 words) - 13:59, 13 June 2017
- ...-k''</b> <b>plots</b> (see Figure [[Special:MyLanguage/Dictionary:Fig_F-11|F-11]]) in which energy density within a given time interval is contoured on FIG. F-11.1 KB (206 words) - 11:29, 11 June 2019
- {{DISPLAYTITLE:''f-k'' filtering|noreplace}} {{#category_index:F|''f-k'' filtering}}403 bytes (47 words) - 13:55, 13 June 2017
- {{DISPLAYTITLE:''f-k'' migration|noreplace}} {{#category_index:F|''f-k'' migration}}918 bytes (96 words) - 13:49, 13 June 2017
- See [[Special:MyLanguage/Dictionary:f-k_domain|''f-k'' ''domain'']].116 bytes (13 words) - 15:54, 28 November 2020
- {{#category_index:F|flag, flagging}}628 bytes (107 words) - 18:34, 16 January 2018
- {{#category_index:F|Flair}}456 bytes (66 words) - 18:34, 16 January 2018
- {{#category_index:F|flash memory}}211 bytes (30 words) - 14:40, 2 March 2017
- {{#category_index:F|flat address space}}208 bytes (25 words) - 18:35, 16 January 2018
- {{#category_index:F|flat spot}}327 bytes (42 words) - 18:35, 16 January 2018
- {{#category_index:F|flattened section/surface}} ...of the flattened bed; see Figure [[Special:MyLanguage/Dictionary:Fig_F-12|F-12]]. Useful in studies of variations in the time interval between events a780 bytes (112 words) - 20:52, 17 January 2018
- {{#category_index:F|flattening}}367 bytes (51 words) - 20:52, 17 January 2018
- {{#category_index:F|flat-topping}}448 bytes (61 words) - 18:35, 16 January 2018
- 712 bytes (114 words) - 08:38, 4 July 2019
- {{#category_index:F|fled}}171 bytes (19 words) - 20:52, 17 January 2018
- {{#category_index:F|flexing}}185 bytes (20 words) - 20:54, 17 January 2018
- {{lowercase}}{{#category_index:F|flexural rigidity of the Earth’s crust}}215 bytes (27 words) - 10:32, 16 March 2020
- {{#category_index:F|flex binning}}432 bytes (54 words) - 14:40, 2 March 2017
- {{#category_index:F|flexural ice wave}}424 bytes (61 words) - 20:54, 17 January 2018
- {{#category_index:F|flexural wave}}301 bytes (46 words) - 20:55, 17 January 2018
- {{#category_index:F|flight line}}228 bytes (36 words) - 20:53, 17 January 2018
- {{#category_index:F|flight-path recovery}}291 bytes (37 words) - 20:53, 17 January 2018
- {{#category_index:F|flip}}163 bytes (20 words) - 20:54, 17 January 2018
- {{#category_index:F|flip polarity}}188 bytes (23 words) - 14:40, 2 March 2017
- {{#category_index:F|flip-flop}}479 bytes (72 words) - 20:54, 17 January 2018
- {{#category_index:F|floating}}190 bytes (23 words) - 20:53, 17 January 2018
- {{#category_index:F|floating charge}}239 bytes (32 words) - 20:53, 17 January 2018
- {{#category_index:F|floating datum}}577 bytes (85 words) - 14:41, 2 March 2017
- {{#category_index:F|floating point}}529 bytes (79 words) - 14:41, 2 March 2017
- {{#category_index:F|flood}}896 bytes (136 words) - 20:55, 17 January 2018
- {{#category_index:F|flood the topography}}181 bytes (23 words) - 20:56, 17 January 2018
- {{#category_index:F|flooding surface}}214 bytes (26 words) - 20:55, 17 January 2018
- {{#category_index:F|flood-plain deposits}}215 bytes (26 words) - 20:55, 17 January 2018
- {{#category_index:F|flops}}152 bytes (16 words) - 14:41, 2 March 2017
- {{#category_index:F|floppy disk}}157 bytes (19 words) - 20:56, 17 January 2018
- {{#category_index:F|flowchart}} ...steps in processing. See Figures [[Special:MyLanguage/Dictionary:Fig_F-14|F-14]] and [[Special:MyLanguage/Dictionary:Fig_P-14|P-14]].362 bytes (50 words) - 20:56, 17 January 2018
- {{#category_index:F|flower structure}} ...ng a number of faults. See Figure [[Special:MyLanguage/Dictionary:Fig_F-15|F-15]].432 bytes (54 words) - 20:56, 17 January 2018
- {{#category_index:F|flowing pressure}}167 bytes (20 words) - 20:57, 17 January 2018
- {{#category_index:F|flowmeter}}340 bytes (48 words) - 20:01, 18 January 2018
- {{#category_index:F|flow test}}184 bytes (24 words) - 20:57, 17 January 2018
- {{#category_index:F|fluid factor}} <center><math> \Delta F=R_P-1.16(V_S/V_P)R_S </math>,</center>976 bytes (146 words) - 20:02, 18 January 2018
- {{#category_index:F|fluid incompressibility}}168 bytes (20 words) - 20:02, 18 January 2018
- {{#category_index:F|fluid pressure}}230 bytes (25 words) - 20:02, 18 January 2018
- {{#category_index:F|fluid replacement}}201 bytes (26 words) - 20:03, 18 January 2018
- {{#category_index:F|fluid sampler}}197 bytes (21 words) - 20:03, 18 January 2018
- {{#category_index:F|fluid substitution}} ...s usually use the (1951) [[wp:Gassmann's_equation|equations]]<ref>Gassmann F. 1951. Über die Elastizität poröser Medien. Vierteljahrsschrift der Natu1 KB (189 words) - 11:29, 10 September 2020
- {{#category_index:F|fluid-travel log}}383 bytes (59 words) - 20:01, 18 January 2018
- {{#category_index:F|fluorimetry}}246 bytes (33 words) - 20:03, 18 January 2018
- {{#category_index:F|flushed zone}}247 bytes (29 words) - 20:12, 18 January 2018
- {{#category_index:F|flutter}}190 bytes (24 words) - 20:04, 18 January 2018
- {{#category_index:F|flux}}234 bytes (30 words) - 20:04, 18 January 2018
- {{#category_index:F|flux density}}196 bytes (21 words) - 20:04, 18 January 2018
- {{#category_index:F|fluxgate magnetometer}} ...rder of 0.2 nanotesla. See Figure [[Special:MyLanguage/Dictionary:Fig_F-16|F-16]]. The magnetometer measures the magnetic field component along the axis1 KB (143 words) - 20:05, 18 January 2018
- {{#category_index:F|flyer}}487 bytes (71 words) - 20:04, 18 January 2018
- {{#category_index:F|FM}} [[Special:MyLanguage/Dictionary:frequency_modulation_(FM)|<b>''F''</b>''requency'' <b>''M''</b>''odulation'']] (q.v.).218 bytes (27 words) - 19:59, 18 January 2018
- {{#category_index:F|FMI}} [[Special:MyLanguage/Dictionary:formation_microimager_(FMI)|<b>''F''</b>''ormation'' <b>''M''</b>''icro'' <b>''I''</b>''mager'']] (q.v.).237 bytes (31 words) - 20:01, 18 January 2018
- {{#category_index:F|FMS}} [[Special:MyLanguage/Dictionary:formation_microscanner_(FMS)|<b>''F''</b>''ormation'' <b>''M''</b>''icro'' <b>''S''</b>''canner'']] (q.v.).239 bytes (31 words) - 20:01, 18 January 2018
- {{#category_index:F|focal length}}254 bytes (38 words) - 20:05, 18 January 2018
- {{#category_index:F|focus}}422 bytes (60 words) - 22:07, 9 April 2017
- {{#category_index:F|focusing analysis}}285 bytes (36 words) - 14:49, 2 March 2017
- {{#category_index:F|focused log}}265 bytes (34 words) - 20:05, 18 January 2018
- {{#category_index:F|fold}}405 bytes (57 words) - 14:42, 2 March 2017
- {{#category_index:F|foldback}}738 bytes (108 words) - 18:45, 6 February 2018
- {{#category_index:F|folding}} ...styles are illustrated in Figure [[Special:MyLanguage/Dictionary:Fig_F-17|F-17]]d, e. Folding is <b>disharmonic</b> where the folding of one bed is not2 KB (242 words) - 18:46, 6 February 2018
- {{#category_index:F|folding frequency}}204 bytes (22 words) - 14:42, 2 March 2017
- {{#category_index:F|fold test}}270 bytes (38 words) - 18:45, 6 February 2018
- {{#category_index:F|footprint}}245 bytes (29 words) - 14:42, 2 March 2017
- {{#category_index:F|footwall}} ...13;21, 225–232) and Figures [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]] and [[Special:MyLanguage/Dictionary:Fig_T-5|T-5]]e.584 bytes (87 words) - 18:46, 6 February 2018
- {{#category_index:F|forced regression}}209 bytes (24 words) - 18:47, 6 February 2018
- {{#category_index:F|force majeure}}275 bytes (35 words) - 18:46, 6 February 2018
- {{#category_index:F|fore-reef}}179 bytes (24 words) - 18:47, 6 February 2018
- {{#category_index:F|foreshock}}167 bytes (19 words) - 18:47, 6 February 2018
- {{#category_index:F|foreign}}196 bytes (29 words) - 18:59, 6 February 2018
- {{#category_index:F|foresight}}260 bytes (34 words) - 18:47, 6 February 2018
- {{#category_index:F|format}}658 bytes (94 words) - 12:35, 15 June 2017
- {{#category_index:F|formation}}1 KB (159 words) - 18:48, 6 February 2018
- {{#category_index:F|formation-analysis log (FAL)}}328 bytes (49 words) - 18:48, 6 February 2018
- {{#category_index:F|formation damage}}194 bytes (23 words) - 18:49, 6 February 2018
- {{#category_index:F|formation-density log (FDL)}}203 bytes (22 words) - 18:48, 6 February 2018
- {{#category_index:F|formation evaluation}}706 bytes (96 words) - 18:49, 6 February 2018
- {{#category_index:F|formation factor}}321 bytes (44 words) - 18:49, 6 February 2018
- {{#category_index:F|formation fluid pressure}}240 bytes (32 words) - 18:50, 6 February 2018
- {{#category_index:F|formation microimager (FMI)}}597 bytes (79 words) - 18:44, 6 February 2018
- {{#category_index:F|formation microscanner (FMS)}}288 bytes (32 words) - 19:20, 22 January 2018
- {{#category_index:F|formation test}}431 bytes (49 words) - 18:50, 6 February 2018
- {{#category_index:F|form factor}}338 bytes (50 words) - 18:48, 6 February 2018
- {{#category_index:F|Fortran}} ...ssing and free-form syntax. Fortran HPF (<b>H</b>igh-<b>P</b>erformance <b>F</b>ortran) is designed for parallel processing.622 bytes (89 words) - 14:42, 2 March 2017
- {{#category_index:F|Fortsch discontinuity}}287 bytes (35 words) - 18:19, 18 February 2018
- {{#category_index:F|forward bias}}174 bytes (19 words) - 18:25, 18 February 2018
- {{lowercase}}{{#category_index:F|forward modeling, forward  process, forward solution}}511 bytes (68 words) - 10:33, 16 March 2020
- {{#category_index:F|forward shot}}217 bytes (31 words) - 18:26, 18 February 2018
- {{#category_index:F|FoRxo}}191 bytes (19 words) - 18:19, 18 February 2018
- {{#category_index:F|fossil remanence}}206 bytes (21 words) - 18:26, 18 February 2018
- {{#category_index:F|Foucault current}}282 bytes (34 words) - 18:26, 18 February 2018
- {{#category_index:F|foundation coefficient}}285 bytes (39 words) - 18:27, 18 February 2018
- {{#category_index:F|fourble}}185 bytes (23 words) - 18:28, 18 February 2018
- {{#category_index:F|four-component recording (4-C)}}372 bytes (48 words) - 18:27, 18 February 2018
- {{#category_index:F|four-dimensional data (4D)}}469 bytes (60 words) - 18:27, 18 February 2018
- {{#category_index:F|Fourier analysis}} ...transform]]'' (q.v.). See Figure [[Special:MyLanguage/Dictionary:Fig_F-18|F-18]]. Opposite of Fourier synthesis. Named for Jean Baptiste Joseph Fourier2 KB (361 words) - 14:43, 2 March 2017
- {{#category_index:F|Fourier integral}}191 bytes (20 words) - 14:43, 2 March 2017
- {{#category_index:F|Fourier pairs}} ...1]] (where the domains might be offset-time versus frequency-wavenumber (''f''-''k'' space).560 bytes (70 words) - 18:18, 18 February 2018
- {{#category_index:F|Fourier plane}}194 bytes (22 words) - 14:43, 2 March 2017
- {{#category_index:F|Fourier series}} For a function <math> f(t) </math> that is absolutely integrable, which is to say that the followi13 KB (2,203 words) - 18:29, 18 February 2018
- {{#category_index:F|Fourier synthesis}} ...omain representation). See Figure [[Special:MyLanguage/Dictionary:Fig_F-18|F-18]]. Fourier synthesis can be thought of as a subset of the [[Special:MyLa443 bytes (57 words) - 17:57, 14 November 2017
- {{#category_index:F|Fourier transform}} ...re neither odd nor even involve variations of phase with frequency. Note ''f''=1/''t''.]]11 KB (1,757 words) - 06:57, 15 June 2017
- {{#category_index:F|four-shot method}}317 bytes (43 words) - 18:28, 18 February 2018
- {{#category_index:F|fourth-order sequence}}217 bytes (26 words) - 17:57, 14 November 2017
- {{#category_index:F|four-way dip}}277 bytes (34 words) - 18:28, 18 February 2018
- {{#category_index:F|FPSO}} <b>F</b>loating <b>P</b>roduction <b>S</b>torage and <b>O</b>ffloading system.179 bytes (29 words) - 17:56, 14 November 2017
- {{#category_index:F|fractals}}431 bytes (60 words) - 17:58, 14 November 2017
- {{#category_index:F|fractional halftime}}159 bytes (19 words) - 17:57, 14 November 2017
- {{#category_index:F|fracturing}}487 bytes (68 words) - 18:01, 14 November 2017
- {{#category_index:F|fracture log}}370 bytes (53 words) - 17:57, 14 November 2017
- {{#category_index:F|fracture permeability/porosity}}1 KB (158 words) - 17:59, 14 November 2017
- {{#category_index:F|fracture pressure}}187 bytes (22 words) - 17:59, 14 November 2017
- {{#category_index:F|Fraunhofer diffraction}} (froun’ hō f∂r). The special case of [[Special:MyLanguage/Dictionary:Fresnel_diff411 bytes (55 words) - 18:01, 14 November 2017
- {{#category_index:F|free-air anomaly}}435 bytes (61 words) - 11:47, 13 February 2017
- {{#category_index:F|free-air correction}}865 bytes (121 words) - 12:22, 13 February 2017
- {{#category_index:F|free-air gravity}}202 bytes (21 words) - 17:51, 13 February 2017
- {{#category_index:F|free energy}}211 bytes (21 words) - 18:00, 14 November 2017
- {{#category_index:F|free-fall gravimetry}}209 bytes (28 words) - 18:04, 13 February 2017
- {{#category_index:F|free field}}192 bytes (23 words) - 18:00, 14 November 2017
- {{#category_index:F|free-fluid index (FFI)}}352 bytes (48 words) - 18:09, 13 February 2017
- {{#category_index:F|free format}}167 bytes (21 words) - 14:43, 2 March 2017
- {{#category_index:F|free nutation of the Earth}}210 bytes (24 words) - 18:00, 14 November 2017
- {{#category_index:F|free oscillation of the Earth}} ...es in the lowest mode. See Figure [[Special:MyLanguage/Dictionary:Fig_F-23|F-23]] and Fowler (1990, 85).356 bytes (47 words) - 18:00, 14 November 2017
- {{#category_index:F|free-space field}}260 bytes (32 words) - 17:59, 14 November 2017
- {{#category_index:F|freeware}}181 bytes (23 words) - 18:00, 14 November 2017
- {{#category_index:F|freezing point}}235 bytes (26 words) - 18:00, 14 November 2017
- {{#category_index:F|French model}} A particular physical model (Figure [[Special:MyLanguage/Dictionary:Fig_F-24|F-24]]) used extensively for demonstrating 3D aspects of seismic data and for833 bytes (108 words) - 18:00, 14 November 2017
- {{#category_index:F|frequency}} '''1'''. Symbol, ''f''. The repetition rate of a periodic waveform, measured in ‘‘2 KB (289 words) - 14:44, 2 March 2017
- {{#category_index:F|frequency domain (FD)}}255 bytes (31 words) - 14:45, 2 March 2017
- {{#category_index:F|frequency-domain method}}462 bytes (54 words) - 18:03, 14 November 2017
- {{#category_index:F|frequency-domain migration}}893 bytes (120 words) - 14:47, 2 March 2017
- {{#category_index:F|frequency-domain sounding}}225 bytes (21 words) - 14:47, 2 March 2017
- {{#category_index:F|frequency effect (FE)}} ..."inline">\rho_{a2}</math>) made at two frequencies ''f''<sub>1</sub> and ''f''<sub>2</sub>, divided by the apparent resistivity at one of the frequencie677 bytes (100 words) - 14:46, 2 March 2017
- {{#category_index:F|frequency filtering}}194 bytes (20 words) - 14:46, 2 March 2017
- {{#category_index:F|frequency modulation (FM)}}433 bytes (58 words) - 14:46, 2 March 2017
- {{#category_index:F|frequency panel}}203 bytes (26 words) - 14:46, 2 March 2017
- {{#category_index:F|frequency response}}266 bytes (31 words) - 14:46, 2 March 2017
- {{#category_index:F|frequency slices}}221 bytes (26 words) - 14:47, 2 March 2017
- {{#category_index:F|frequency sounding}}220 bytes (21 words) - 18:03, 14 November 2017
- {{#category_index:F|frequency spectrum}}278 bytes (32 words) - 14:47, 2 March 2017
- {{#category_index:F|frequency standard}}595 bytes (82 words) - 18:05, 14 November 2017
- {{#category_index:F|fresh}}380 bytes (52 words) - 18:04, 14 November 2017
- {{#category_index:F|Fresnel diffraction}}350 bytes (38 words) - 18:04, 14 November 2017
- {{#category_index:F|Fresnel lens}}177 bytes (20 words) - 18:05, 14 November 2017
- {{#category_index:F|Fresnel zone}} ...t Fresnel zone is shown in Figure [[Special:MyLanguage/Dictionary:Fig_F-26|F-26]]. See Sheriff and Geldart (1995, 152). <b>3</b>. A <b>Fresnel lens</b>1 KB (207 words) - 18:05, 14 November 2017
- {{#category_index:F|fringe}}590 bytes (89 words) - 18:05, 14 November 2017
- {{#category_index:F|front end}}219 bytes (32 words) - 18:06, 14 November 2017
- {{#category_index:F|frontier area}}210 bytes (26 words) - 18:05, 14 November 2017
- {{#category_index:F|front-loaded}}195 bytes (21 words) - 18:05, 14 November 2017
- {{#category_index:F|front-to-back ratio}}213 bytes (21 words) - 15:12, 22 November 2017
- {{#category_index:F|frost breaks}}309 bytes (42 words) - 18:06, 14 November 2017
- {{#category_index:F|frown}}222 bytes (24 words) - 18:07, 14 November 2017
- {{#category_index:F|FTP}} [[Special:MyLanguage/Dictionary:file_transfer_protocol_(FTP)|<b>''F''</b>''ile'' <b>''T''</b>''ransfer'' <b>''P''</b>''rotocol'']] (q.v.).238 bytes (32 words) - 17:58, 14 November 2017
- {{#category_index:F|Fuller filter}}181 bytes (21 words) - 14:48, 2 March 2017
- {{#category_index:F|function}}205 bytes (30 words) - 14:48, 2 March 2017
- {{#category_index:F|functionality}}163 bytes (19 words) - 18:06, 14 November 2017
- {{#category_index:F|function key}}255 bytes (36 words) - 14:48, 2 March 2017
- {{#category_index:F|fundamental}}204 bytes (26 words) - 14:48, 2 March 2017
- {{#category_index:F|fundamental strengh}}319 bytes (40 words) - 14:01, 31 October 2019
- {{#category_index:F|funnel shaped}}263 bytes (28 words) - 18:06, 14 November 2017
- {{#category_index:F|fuzzy logic}}252 bytes (32 words) - 18:06, 14 November 2017
- <center><math>F(t)=e^{-\left(\frac{2\pi f_M t}{\gamma}\right)^2} cos\left(2\pi f_M t +\phi\ where ''t'' is time, ''f''<sub>''M''</sub> is the main frequency, and <math> \gamma </math> is an ar817 bytes (111 words) - 18:21, 14 April 2017
- '''Gardner's equation''', or '''Gardner's relation''', named after G. H. F. Gardner and L. W. Gardner, is an empirically derived equation that relates ...ta = 0.25</math>.<ref name="Gardner">{{cite journal|last=Gardner|first=G.H.F.|coauthors=Gardner L.W. & Gregory A.R.|year=1974|title=Formation velocity a3 KB (402 words) - 16:00, 11 April 2017
- ==Fluid substitution<ref>Gassmann F. 1951. Über die Elastizität poröser Medien. Vierteljahrsschrift der Natu1 KB (144 words) - 12:46, 11 September 2020
- ...ng glaciology); (d) <b>physical oceanography</b>; (e) <b>meteorology</b>; (f) <b>gravity</b> and <b>geodesy</b> (the Earth’s gravitational field2 KB (230 words) - 07:27, 16 March 2017
- ...atician and physicist. See Figure [[Special:MyLanguage/Dictionary:Fig_F-18|F-18]] and [[Special:MyLanguage/Dictionary:References|Sheriff and Geldart (19799 bytes (103 words) - 12:16, 3 July 2018
- ...hrough the maximization or minimization of a scalar valued function <math> f(x) </math> called the ''objective function'' which may be subject to <math>945 bytes (145 words) - 14:46, 25 July 2018
- (gaus’ ∂f) A space-domain operator that calculates the scalar difference between the356 bytes (47 words) - 06:16, 16 February 2017
- ...Sometimes grading systems employ letters: ''vg''=very good, ''g''=good, ''f''=fair, ''p''=poor, ''vp''=very poor, and ?=questionable. Coherency-measuri650 bytes (87 words) - 12:30, 16 February 2017
- ...in <b>Newton's Law of Universal Gravitation</b>. The gravitational force ''F'' between two point masses ''m''<sub>1</sub> and ''m''<sub>2</sub> can be r <center><math>F = \frac {\gamma m_1 m_2}{r^2} </math></center>992 bytes (158 words) - 07:28, 17 February 2017
- If ''F'' and ''G'' are two scalar functions, then ...t \left(F\nabla^2 G-G\nabla^2 F \right)dv = \iint \left( F\nabla G-G\nabla F \right) \cdot d\mathbf{s}</math>,</center>937 bytes (138 words) - 10:38, 20 April 2021
- ...d reflection signals. Source and geophone patterns, frequency filtering, ''f''-''k'' filtering, and stacking are used to discriminate against it. It is661 bytes (92 words) - 17:30, 29 August 2017
- <center><math> U=V-\lambda\left(\frac{dV}{d\lambda}\right) = V+f\left(\frac{dV}{df}\right) </math>,</center> where λ=wavelength and ''f''=frequency. ''[[Special:MyLanguage/Dictionary:normal-mode_propagation|Norm3 KB (395 words) - 12:49, 16 April 2017
- The complement of dip; see Figure [[Special:MyLanguage/Dictionary:Fig_F-2|F-2]].194 bytes (24 words) - 10:53, 1 July 2016
- ...013;21, 225–232) and Figure [[Special:MyLanguage/Dictionary:Fig_F-2|F-2]].543 bytes (80 words) - 10:58, 1 July 2016
- ...The Hankel transform of order <math> m </math> of the real function <math> f(t)</math> is <center> <math> F(s) = \int J_m(st) \; dt </math></center>490 bytes (75 words) - 19:19, 12 April 2019
- ...) The matrix of second partial derivatives of a function. For a function ''f''(''x''<sub>1</sub>,''x''<sub>2</sub>,...,''x''<sub>''n''</sub>), the Hessi h_{ij}=\frac{\partial^2 f}{\partial x_i \partial x_j}492 bytes (74 words) - 16:25, 23 July 2017
- [[Dictionary:high-frequency_magnetics_(HFMAG)|<b>''H''</b>''igh''-<b>''F''</b>''requency'' <b>''MAG''</b>''netics'']] (q.v.).202 bytes (27 words) - 12:59, 24 July 2017
- ...anguage/Dictionary:high-fidelity_vibroseis_(HFVS)|<b>''H''</b>''igh''-<b>''F''</b>''idelity'' <b>''V''</b>''ibro''<b>''S''</b>''eis'']] (q.v.).257 bytes (35 words) - 11:00, 1 July 2016
- [[Special:MyLanguage/Dictionary:heat_flow_unit_(HFU)|<b>''H''</b>''eat'' <b>''F''</b>''low'' <b>''U''</b>''nit'']] (q.v.).222 bytes (32 words) - 11:00, 1 July 2016
- ...ogging open or cased boreholes with a temperature resolution of 0.5°F.262 bytes (31 words) - 12:42, 1 July 2016
- <center> <math> f(z) = \frac{1}{2 \pi i} \oint_C \frac{f(w)\; dw }{w - z}. </math> </center> <math> f(z) = \mbox{Re}\; f + i \mbox{Im}\; f. </math> the function is a complex-valued function of <math> z </math>. The15 KB (2,476 words) - 13:44, 12 September 2018
- ...et is minimum phase, the wavelet's frequency-domain representation ''W''(''f'') is <center><math> W(f)=A(f)e^{i\gamma(f)}=\vert P(f)\vert^{1/2}e^{i\gamma(f)} </math>.</center>1 KB (221 words) - 15:08, 24 July 2017
- ...<b>scissors fault</b>. See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].362 bytes (53 words) - 15:50, 24 July 2017
- <b>IF</b> and only i<b>F</b>, a mathematical or computer logical operation.188 bytes (27 words) - 23:22, 18 January 2017
- <b>I</b>nstantaneous <b>F</b>loating <b>P</b>oint; see [[Special:MyLanguage/Dictionary:gain_control|'219 bytes (31 words) - 22:05, 13 April 2019
- ...>''nternational'' <b>''G''</b>''eomagnetic'' <b>''R''</b>''eference'' <b>''F''</b>''ield'']] (q.v.).293 bytes (37 words) - 16:42, 8 February 2017
- ''Z'' is in ohms when frequency ''f'' is in hertz, ''L'' is inductance in henrys, and ''C'' is capacitance in f2 KB (326 words) - 15:44, 7 March 2017
- In the equation ''y''=''f''(''x''), ''x'' (the argument of ''f'') is the independent variable.224 bytes (28 words) - 23:21, 18 January 2017
- ...he loop is executed (as in Figure [[Special:MyLanguage/Dictionary:Fig_F-14|F-14]]). Some systems assume initial values of zero and so do not require ini591 bytes (84 words) - 07:05, 30 July 2018
- (in son’ ∂ fī) To illuminate with sonic (seismic) energy.196 bytes (25 words) - 10:59, 10 April 2019
- ...cdot \displaystyle \frac{dg}{dt}-g(x,t) \cdot \displaystyle \frac{df}{dt}}{f^2(x,t)+g^2(x,t)}</math></center> ...:MyLanguage/Dictionary: hilbert_transform|''Hilbert transform'']] of <math>f(t)</math>. Instantaneous frequencies relate the wave propagation and deposi3 KB (387 words) - 22:47, 14 August 2018
- <center><math>\phi(t) = \arctan \left( \frac{\mbox{Im} \; F(t)}{\mbox{Re} \; F(t)} \right) </math></center> ...he seismic trace and ''Re F(t)'' is the real part of the seismic data ''Im F(t)'' is the imaginary part of the complex trace.Since, most of the time, wa2 KB (250 words) - 18:20, 24 April 2019
- ...uage/Dictionary:E-layer|E-layer]], [[Special:MyLanguage/Dictionary:F-layer|F-layer]]'', and ''refraction correction''.688 bytes (94 words) - 18:43, 8 February 2017
- (iō’ s∂f s∂n) A thin insulator separating two superconducting materials, thro284 bytes (37 words) - 14:48, 28 August 2017
- ...><math>\text{wavenumber}=\frac{1}{\lambda} = k = \frac{\kappa}{2\pi}=\frac{f}{V}</math></center> ...e spatial sense as angular frequency <math>\omega</math> is to frequency ''f'' in the time sense. Confusingly, both <math>\kappa</math> and ''k'' are of1 KB (192 words) - 13:36, 11 June 2020
- ...lue decomposition'']] (q.v.). See<ref>{{cite journal |last=Jones |first=I. F |last2=Levy |first2=S |date=1987 |title=Signal-to-noise ratio enhancement i612 bytes (72 words) - 16:59, 18 June 2019
- <center><math>F(\xi) = \int_{-\infty}^\infty \!\! K(x,\xi) \, f(x) \, \mathrm{d}x</math></center>2 KB (289 words) - 21:16, 28 March 2017
- ...-direction and wavenumber in the ''z''-direction (depth). Similar to the ''f'', ''k'' domain except with the frequency variable replaced by κ''V'432 bytes (63 words) - 22:55, 27 March 2017
- <center><math>F(s) =\int f(t) e^{-st} dt </math></center> <center><math>f(t)= \frac{1}{2 \pi i} \int F(s)e^{st}ds</math></center>1 KB (231 words) - 22:56, 3 September 2017
- <center><math> f(x) = \frac{1}{\sigma} e^{-\frac{|x-\mu|}{\sigma}}</math></center>591 bytes (85 words) - 15:08, 7 September 2017
- ...tion) separates into the spacing components of the record section (as in ''f'',''k'' space). One lens thus accomplishes a Fourier transform of the recor1 KB (208 words) - 20:55, 7 September 2017
- ...has moved to the left. See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].271 bytes (34 words) - 09:53, 5 April 2019
- ...la for the ''n''<sup>th</sup> derivative of the product of two functions ''f'' and ''g'': <center><math>\frac{d_{n}(fg)}{dx^{n}}=\sum _{k}[n:k]\frac{d^{n-k}f}{dx^{n-k}}\frac{d^{k}g}{dx^{k}}</math></center>501 bytes (83 words) - 18:01, 17 April 2018
- ...is the starting frequency and ''b'' is the rate of change of frequency d''f''/d''t''. See Figure [[Special:MyLanguage/Dictionary:Fig_V-12|V-12]].571 bytes (87 words) - 16:59, 26 August 2017
- ...frequency ''f''<sub>1</sub>, the output will contain only the frequency ''f''<sub>1</sub>; the amplitude and phase may be changed, however. The <b>rule720 bytes (117 words) - 18:02, 26 August 2017
- ...nguage/Dictionary:line_of_position_(LOP)|<b>''L''</b>''ine'' <b>''O''</b>''f'' <b>''P''</b>''osition'']] (q.v.).226 bytes (32 words) - 09:37, 7 April 2019
- ...cial:MyLanguage/Dictionary:line_of_sight|<b>''L''</b>''ine'' <b>''O''</b>''f'' <b>''S''</b>''ight'']] (q.v.).215 bytes (31 words) - 15:13, 17 April 2019
- ...ock composed of a ferromagnesium mineral. Mnemonic for <b>MA</b>gnesium+<b>F</b>err<b>IC</b>. Compare [[Special:MyLanguage/Dictionary:felsic|''felsic'']305 bytes (44 words) - 16:16, 15 August 2017
- ...) instrument drift (d) flight elevation, (e) location errors and misties, (f) the [[Special:MyLanguage/Dictionary:International_Geomagnetic_Reference_Fi625 bytes (81 words) - 12:25, 30 July 2017
- ...2</sup>=10<sup>9</sup> gamma). <b>B</b> is defined via the force <b>F</b> on a charge ''q'' moving with velocity <b>v</b>: <center><math>\mathbf{F}=q\mathbf{v}\times\mathbf{B}</math></center>3 KB (465 words) - 19:31, 30 July 2017
- ...Apparent resistivity <math>\rho_{a}</math>as a function of frequency <math>f</math> is calculated: ...rho_{a}=\frac{1}{\mu \omega} \Big( \frac{E_{i}}{H_{j}}\Big)^2, \omega=2\pi f</math></center>2 KB (254 words) - 22:26, 9 March 2017
- ...may be weighted and sometimes a bias is included (i.e., ΣΣ''f''<sub>α,β</sub>≠0), so that the residual does not chan1 KB (203 words) - 22:06, 20 March 2017
- ...b>) A <b>stereographic projection</b> is both azimuthal and conformal. (<b>f</b>) A <b>polyconic</b> has a straight central meridian and each parallel i2 KB (322 words) - 22:06, 20 March 2017
- Subscript used with log terms to indicate values for the <b>M</b>ud <b>F</b>iltrate.196 bytes (30 words) - 21:37, 7 May 2017
- [[Special:MyLanguage/Dictionary:metal_factor_(MF)|<b>''M''</b>''etal'' <b>''F''</b>''actor'']] (q.v.).201 bytes (27 words) - 21:35, 7 May 2017
- ...uage/Dictionary:maximum_flooding_surface_(MFS)|<b>''M''</b>''aximum'' <b>''F''</b>''looding'' <b>''S''</b>''urface'']] (q.v.).242 bytes (32 words) - 21:36, 7 May 2017
- ...inuation'']], [[Special:MyLanguage/Dictionary:Stolt_migration|''Stolt'' (''f-k'') ''migration'']], τ-''p'' ''migration'', [[Special:MyLanguage/Di3 KB (466 words) - 14:37, 30 November 2018
- ...d successively in making an [[Special:MyLanguage/Dictionary:f-k_analysis|''f-k'' ''analysis'']] (q.v.).559 bytes (71 words) - 21:30, 21 February 2017
- <b>M</b>ean <b>T</b>ime <b>B</b>etween <b>F</b>ailures.156 bytes (27 words) - 21:47, 21 February 2017
- The situation where ''f''(α) has more than one possible value for the same value of α384 bytes (56 words) - 20:50, 19 February 2017
- ...=''f''(''x''<sub>''o''</sub>+''nh''), the value at ''y''<sub>''u''</sub>=''f''(''x''<sub>''o''</sub>+''uh'') can be approximated by a series for which t698 bytes (109 words) - 18:25, 8 March 2018
- ...''f''(''z''<sub>''i''</sub>)/''f''′(''z''<sub>''i''</sub>), where ''f''′ is the first derivative with respect to ''z''. Where the process580 bytes (87 words) - 18:24, 8 March 2018
- <b>N</b>etwork <b>F</b>ile <b>S</b>ystem.141 bytes (23 words) - 18:22, 8 March 2018
- ...uage/Dictionary:Fig_A-7|A-7]] and [[Special:MyLanguage/Dictionary:Fig_F-26|F-26]].407 bytes (58 words) - 18:03, 18 March 2018
- A digitized input ''x''<sub>''t''</sub> passed through the filter ''f''<sub>''t''</sub> yields the actual output ''y''<sub>''t''</sub> which in a957 bytes (144 words) - 17:51, 14 January 2018
- ...onary:fault|''fault'']] and Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].261 bytes (29 words) - 01:24, 8 December 2017
- <b>N</b>ational <b>S</b>cience <b>F</b>ountation, an organization funded by the United States government to sup237 bytes (35 words) - 21:28, 31 October 2017
- ...apirism. Bone <ref name=ch07r13>Bone et al. (1975), Bone, M. R., Giles, B. F., and Tegland, E. R., 1975, Analysis of seismic data using horizontal cross6 KB (965 words) - 11:42, 1 October 2014
- <center><math>F(x)=-F(-x)</math>.</center>383 bytes (54 words) - 21:32, 27 October 2017
- ω,''x''=2π''f'',''x''. see ''fx'' ''domain''.183 bytes (23 words) - 16:30, 30 July 2018
- ...ction whose value is zero for all negative values of the argument, i.e., ''F''(''x'')=0 if ''x''<0 (or alternatively, zeros for all positive argu424 bytes (64 words) - 16:31, 30 July 2018
- ...f''<sub>3</sub> to ''f''<sub>4</sub>, and flat from ''f''<sub>2</sub> to ''f''<sub>3</sub>.482 bytes (75 words) - 10:06, 13 November 2017
- <b>O</b>pen <b>S</b>oftware <b>F</b>oundation.146 bytes (23 words) - 14:40, 13 November 2017
- (fī or fē) Greek phi; capital, Φ. <b>1</b>. Symbol for porosity, also295 bytes (44 words) - 09:43, 22 August 2020
- ...o make the fundamental period larger. Adding extra zero traces before an ''F,k'' or ''p'',τ transform to prevent [[Special:MyLanguage/Dictionary:382 bytes (52 words) - 23:15, 1 November 2017
- [[File:Segf22.jpg|thumb|400px|FIG. F-22. <b>Fourier transform theorems.</b>]] ...ective Fourier transforms ''H''<sub>1</sub>(''f'') and ''H''<sub>2</sub>(''f''),1 KB (158 words) - 17:44, 12 August 2020
- <center><math>T=\frac{1}{f}=\frac{\lambda}{V}=\frac{2\pi}{\omega}</math></center> where ''f''=frequency, <math>\lambda</math>=wavelength, and ''V''=phase velocity. See802 bytes (111 words) - 21:15, 14 April 2019
- ...uage/Dictionary:percent_frequency_effect_(PFE)|<b>''P''</b>''ercent'' <b>''F''</b>''requency'' <b>''E''</b>''ffect'']] (q.v.).242 bytes (32 words) - 13:59, 8 March 2018
- <b>P</b>rompt <b>F</b>ission <b>N</b>eutron log.148 bytes (24 words) - 14:11, 8 March 2018
- ...ther mixed-phase wavelets can also be made from these component doublets. (f) ''Z''-plane plot of the roots of the autocorrelation function for the fore3 KB (529 words) - 11:55, 9 March 2018
- ...equivalent to a time shift of <math> \frac {\phi}{2 \pi f}</math>, where ''f''=frequency of the respective component being shifted. Phase shifts result489 bytes (73 words) - 19:19, 12 March 2018
- (fē o fi) A particle scale of size; <math>\phi = - {\log}_2 S</math>, w306 bytes (46 words) - 10:58, 16 March 2020
- (fē o fi) A particle scale of size; <math>\phi = - {\log}_2 S</math>, w246 bytes (40 words) - 10:58, 16 March 2020
- <center><math>f(lx+my+nz\pm Vt)</math></center>573 bytes (90 words) - 13:51, 17 February 2019
- ...B4;; in this case ''V''<sub>NMO</sub><''V''<sub>vertical</sub>; <b>(f)</b> wavefront for tilted symmetry axis; <b>(g)</b> wave equations for tran4 KB (595 words) - 12:30, 21 September 2020
- ..., ''T'' the absolute temperature, ''n'' the number of molar equivalents, ''F'' the Faraday, and ''J''<sub>''o''</sub> the exchange current density, all639 bytes (89 words) - 21:32, 19 April 2019
- ...treatment, such as a portion of a gather to be muted or a portion of an ''f''–''k'' section to be muted. <b>2</b>. Representation of a fault sur399 bytes (63 words) - 12:51, 8 May 2019
- ...A power-density versus frequency relationship. The power spectrum ''P''(''f'') is the square of the amplitude-frequency response or the Fourier (cosine ...'P'' ' (''f''), where ''P''(''f'') is the power density at the frequency ''f'':614 bytes (86 words) - 13:13, 29 March 2019
- If ''x''<sub>''s''</sub> is a singular point of ''f''(''x'') and <math> a < x_s < b </math>, then the principal value is ...lon \to x} \{ \int_a^{x_s -\varepsilon} f(x) dx + \int_{x_s+\varepsilon}^b f(x) dx \} </math>.</center>413 bytes (71 words) - 16:53, 14 March 2019
- {{#category_index:P|probability functions, ''F''(''x'')}}193 bytes (22 words) - 11:00, 16 March 2020
- ...ng, (e) ability to restart in case of interruptions and error conditions, (f) automatic monitoring to ascertain that devices and the computing are opera997 bytes (142 words) - 07:47, 13 July 2018
- ...lei precess about the Earth’s magnetic field ''H'' at a frequency ''f''<sub>''L''</sub> (<b>Larmor frequency</b>), ...;s magnetic field. For the normal Earth field of about 50 000 nanotesla, ''f''<sub>''L''</sub>=2100 Hz. As the protons gradually relax into random orien1 KB (181 words) - 21:20, 27 January 2018
- ...\alpha \lambda}{\pi} = \frac{hT}{\pi} = \frac{\delta}{\pi} = \frac{2\Delta f}{f_\mathrm{r}} </math></center> where ''V'', ''f'', ''λ'', and ''T'' are, respectively, velocity, frequency, waveleng3 KB (497 words) - 11:00, 29 November 2020
- ωκ, compared to <b>angular frequency</b>, ω=2π''f''=2π/''T''.222 bytes (31 words) - 16:53, 22 January 2018
- <math> f(x) = (x/{\alpha}) e^{-x^2/\alpha}, x \geq 0, \alpha > 0,</math>607 bytes (83 words) - 23:42, 10 January 2018
- <center><math>f(t)=\left( \frac{1}{\pi} \right) \left(\frac{\varepsilon}{t^2+\varepsilon^2}649 bytes (81 words) - 13:06, 8 May 2017
- ...except for the effect of lightning currents in exposed surface rocks. (<b>f</b>) <b>Pressure</b> (or <b>piezo</b>) <b>remanent magnetization</b> (<b>PR2 KB (253 words) - 01:25, 11 June 2017
- ...onary:fault|''fault'']] and Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].234 bytes (27 words) - 16:09, 27 July 2017
- ...ecial:MyLanguage/Dictionary:radio_frequency_(RF)|<b>''R''</b>''adio'' <b>''F''</b>''requency'']] (q.v.).207 bytes (27 words) - 17:02, 1 September 2017
- <b>1</b>. <b>R</b>equest <b>F</b>or <b>C</b>omments. <b>2</b>. <b>R</b>e<b>F</b>lection <b>C</b>oefficient.207 bytes (39 words) - 17:02, 1 September 2017
- <b>R</b>equest <b>F</b>or <b>P</b>roposal; an invitation to submit a request for funding, usual226 bytes (37 words) - 17:02, 1 September 2017
- <b>R</b>epeat <b>F</b>ormation <b>T</b>ester: The primary method of recovering fluid pressures365 bytes (54 words) - 17:02, 1 September 2017
- The amplitude ''f(t)'' of the Ricker wavelet with peak frequency ''f<sub>M'' at time ''t'' is given by, :<math>f(t) = (1-2 \pi^2 f_{_{M}}^2 t^2) e^{-\pi^2 f_{_{M}}^2 t^2}</math>.2 KB (289 words) - 23:58, 18 January 2020
- ...i-valued functions are single-valued on each Riemann surface. Named for G. F. B. Riemann (1826–1866), German mathematician.338 bytes (46 words) - 17:06, 1 September 2017
- ...the right (clockwise). See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].257 bytes (34 words) - 14:45, 8 August 2017
- <b>1</b>. A value of ''x'' that satisfies the equation ''F''(''x'')=0. <b>2</b>. Relatively light crustal material projecting down int391 bytes (51 words) - 14:50, 8 August 2017
- ...19;) A scale of earthquake intensity devised in 1878 by M. S. de Rossi and F. A. Forel. Compare [[Special:MyLanguage/Dictionary:Mercalli_scale|''Mercall331 bytes (45 words) - 07:14, 12 April 2019
- ...iderably with location. See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].271 bytes (35 words) - 11:40, 3 November 2017
- ...irst2=N.|last3=Kunz|first3=T.|last4=Nicoletis|first4=L.|last5=Rocca|first5=F.|title=3-D Modeling Project: 3rd report|journal=The Leading Edge|volume=14|2 KB (257 words) - 12:00, 18 April 2018
- ...isplacement on a fault. See Figure [[Special:MyLanguage/Dictionary:Fig_F-2|F-2]]. <b>4</b>. Displacement between source and receiver.981 bytes (128 words) - 14:15, 22 September 2017
- ...e/Dictionary:spherically_focused_log_(SFL)|<b>''S''</b>''pherically'' <b>''F''</b>''ocused'' <b>''L''</b>''og'']].274 bytes (34 words) - 01:17, 17 August 2018
- ...:folding|''folding'']] and Figure [[Special:MyLanguage/Dictionary:Fig_F-17|F-17]]e.240 bytes (28 words) - 12:07, 1 June 2017
- ...site to <b>dextral</b>. See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]]. From the Latin for ‘‘left.’’414 bytes (59 words) - 09:00, 21 June 2017
- ...>\text{skin depth}=\delta=\sqrt{\frac{2}{\sigma\mu\omega}}=503\sqrt{\sigma f}</math>,</center> ...ries/meter, <math>\omega</math>=angular frequency in radians/second, and ''f''=frequency. Also called <b>effective depth</b>.771 bytes (109 words) - 10:48, 11 June 2020
- ...], Fowler (1990, 101), and Figure [[Special:MyLanguage/Dictionary:Fig_F-10|F-10]].429 bytes (55 words) - 09:51, 1 February 2018
- ...s. There is no channel north of 55°N. Named for the <b>SO</b>und <b>F</b>ixing <b>A</b>nd <b>R</b>anging system used for locating aviators downed1 KB (209 words) - 21:45, 19 June 2017
- ...y_filtering|''apparent-velocity filter'']] (q.v.) or frequency-wavenumber (f,k) filter. Also called <b>beam pointing</b>.299 bytes (34 words) - 16:16, 13 April 2019
- <center><math>\frac{1}{r}f\left(r\pm Vt\right)</math>,</center>430 bytes (63 words) - 09:58, 6 September 2017
- ...T</b> if the source is at ''E'', <b>broadside L</b> if the source is at ''F'', and <b>cross</b> if some geophones are at right angles (''G'' ''t ...y:Fig_S-18|S-18]]. See also Figure [[Special:MyLanguage/Dictionary:Fig_F-1|F-1]] for fan shooting and Figure [[Special:MyLanguage/Dictionary:Fig_T-4|T-42 KB (407 words) - 08:48, 25 June 2018
- ...α is the angle which the line of sight makes with the horizontal, ''F'' is the stadia interval factor (often 100), and ''X'' is the distance on t680 bytes (111 words) - 05:26, 29 January 2018
- ...basic measurement, often 0°C. The petroleum industry uses 60°F (15.5°C) as its standard temperature for measurement of oil volumes.320 bytes (44 words) - 03:37, 28 October 2017
- (stōlt) A migration method in the ''f,k'' domain assuming constant velocity. Vertical stretching before Fourier t333 bytes (43 words) - 14:19, 16 October 2017
- ...edominantly horizontal. See Figure [[Special:MyLanguage/Dictionary:Fig_F-3|F-3]].247 bytes (30 words) - 10:46, 4 June 2018
- f as in '''f'''it, di'''ff'''er i as in '''i'''f, b'''i'''t1 KB (202 words) - 15:48, 20 December 2011
- <tr><td>[[Dictionary:Fig_F-3|Fault types (F-3)]]</td><td align="right">132</td></tr> <tr><td>[[Dictionary:Fig_F-8|Filtering types (F-8)]]</td><td align="right">138</td></tr>9 KB (1,280 words) - 15:48, 20 December 2011
- A <b>S</b>hallow <b>U</b>nderground <b>R</b>eflection <b>F</b>easibility diagram that shows the shallowest possible depth of seismic o319 bytes (50 words) - 10:13, 13 October 2017
- [[Media:Append_f.pdf|Appendix F: Map and Rock Symbols]]682 bytes (106 words) - 15:48, 20 December 2011
- ...balls’’ (see Figure [[Special:MyLanguage/Dictionary:Fig_F-10|F-10]]) that indicate the type of faulting involved in earthquakes.274 bytes (35 words) - 08:32, 18 October 2017
- Aminzadeh, F., Burkhard, N., Kunz, T., Nicoletis, L., and Rocca, F., 1995, 3-D modeling project: 3rd report: The Balch, A. H. and Smolka, F. R., 1970, Plane and spherical Voigt waves: Geophysics, 35, 745–761.<40 KB (5,282 words) - 17:45, 23 February 2016
- ...tance (offset) and ''t''=arrival time. <b>(b)</b> Its tau-p transform is ''F''(τ,''p'') where ''p''=''dt''/''dx''=1/''V''<sub>''a''</sub> and  KB (282 words) - 09:50, 22 August 2020
- For an <math> N</math> times differentiable function <math> f(x)</math> and for <math> x</math> and <math> a </math> in an open <center> <math> f(x) = \sum_{n=0}^{N-1} \frac{f^{(n)}(a)}{n!} (x - a)^n + R_N</math> </center>7 KB (1,252 words) - 09:27, 20 June 2017
- ...e of strike-slip fault; see Figure [[Special:MyLanguage/Dictionary:Fig_F-4|F-4]].206 bytes (26 words) - 17:08, 10 August 2018
- ...change in the ''j'' direction of the gradient in the ''i'' direction is ''F<sub>ij</sub>''.621 bytes (96 words) - 16:34, 10 May 2017
- ...unit (bed) by a fault. See Figure [[Special:MyLanguage/Dictionary:Fig_F-2|F-2]].242 bytes (33 words) - 14:19, 26 August 2017
- ...guage/Dictionary:Fig_F-3|F-3]] and [[Special:MyLanguage/Dictionary:Fig_F-4|F-4]].352 bytes (49 words) - 14:17, 26 August 2017