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## Page title matches

• {{#category_index:H|harmonic}} ...frequency that is a simple multiple of a fundamental frequency. The third harmonic, for example, has a frequency three times that of the fundamental. <b>2</b>
478 bytes (72 words) - 17:07, 22 July 2017
• {{#category_index:H|harmonic analysis}}
333 bytes (42 words) - 17:10, 22 July 2017
• {{#category_index:H|harmonic average}} The reciprocal of a harmonic average is given by the sum of the weighted reciprocals of the elements to
521 bytes (75 words) - 17:12, 22 July 2017
• {{#category_index:H|harmonic distortion}}
262 bytes (29 words) - 18:08, 22 July 2017
• {{#category_index:H|harmonic function}}
255 bytes (30 words) - 18:10, 22 July 2017
• {{#category_index:H|harmonic mean}}
175 bytes (19 words) - 18:15, 22 July 2017
• {{#category_index:S|spherical harmonic}}
218 bytes (24 words) - 09:52, 6 September 2017
• {{#category_index:H|harmonic}} ...frequency that is a simple multiple of a fundamental frequency. The third harmonic, for example, has a frequency three times that of the fundamental. <b>2</b>
419 bytes (66 words) - 17:08, 22 July 2017
• 411 bytes (67 words) - 17:09, 22 July 2017
• {{#category_index:H|harmonic analysis}}
274 bytes (36 words) - 17:10, 22 July 2017
• 274 bytes (42 words) - 17:04, 22 July 2019
• {{#category_index:H|harmonic average}} The reciprocal of a harmonic average is given by the sum of the weighted reciprocals of the elements to
404 bytes (61 words) - 17:12, 22 July 2017
• 375 bytes (57 words) - 17:05, 22 July 2019
• {{#category_index:H|harmonic distortion}}
203 bytes (23 words) - 18:08, 22 July 2017
• 168 bytes (22 words) - 17:07, 22 July 2019
• {{#category_index:H|harmonic function}}
196 bytes (24 words) - 18:11, 22 July 2017
• 166 bytes (25 words) - 18:14, 22 July 2017
• {{#category_index:H|harmonic mean}}
116 bytes (13 words) - 18:15, 22 July 2017
• 77 bytes (8 words) - 17:08, 22 July 2019
• {{#category_index:S|spherical harmonic}}
133 bytes (16 words) - 09:53, 6 September 2017
• {{#category_index:S|spherical harmonic}}
133 bytes (19 words) - 09:55, 6 September 2017
• [[file:Ch06_fig6-9a.png|thumb|center|{{figure number|6.9a.}} Directivity of a harmonic source at depth $z=c\lambda$.]] * [[Directivity of a harmonic source plus ghost]]
5 KB (618 words) - 16:18, 8 November 2019

## Page text matches

• ...nse of nine geophones equally spaced 5.5 m apart. The solid curves are for harmonic (steady-state) waves, the dashed curves for a transient with a bell-shaped
3 KB (430 words) - 18:19, 6 June 2020
• ...d to upscale sonic-log data for synthetic seismogram manufacture. Involves harmonic averaging to find the anisotropic elastic parameters that characterize seis
629 bytes (76 words) - 23:24, 3 October 2020
• ...sub>''n''</sub> is the rms voltage of the ''n''th harmonic, the <b>percent harmonic distortion</b> is
2 KB (254 words) - 21:04, 3 April 2017
• The input amplitude for which the distortion-generated third harmonic becomes a certain percentage, generally 3% but sometimes 1%. For smaller in
304 bytes (37 words) - 21:04, 3 April 2017
• ...surface sources produces spurious correlations, especially for the second harmonic (which may be very large). This produces a distortion tail that follows the
411 bytes (55 words) - 21:05, 3 April 2017
• .... An equation derived from the wave equation through the substitution of a harmonic wave trial solution into the wave equation. In one form of the eikonal equa
2 KB (365 words) - 19:12, 8 April 2019
• ...a plane reflector mainly effective in generating a reflection since, for a harmonic wave, the effects of successive zones generally cancel each other. A nomogr
1 KB (207 words) - 18:05, 14 November 2017
• The lowest frequency of a periodic function. Also called the <b>first harmonic</b>.
204 bytes (26 words) - 14:48, 2 March 2017
• ...tionary:correlation_ghost|''correlation ghost'']] (q.v.) that results from harmonic distortion when using vibroseis.
880 bytes (134 words) - 16:14, 13 June 2018
• {{#category_index:H|harmonic}} ...frequency that is a simple multiple of a fundamental frequency. The third harmonic, for example, has a frequency three times that of the fundamental. <b>2</b>
478 bytes (72 words) - 17:07, 22 July 2017
• {{#category_index:H|harmonic analysis}}
333 bytes (42 words) - 17:10, 22 July 2017
• {{#category_index:H|harmonic average}} The reciprocal of a harmonic average is given by the sum of the weighted reciprocals of the elements to
521 bytes (75 words) - 17:12, 22 July 2017
• {{#category_index:H|harmonic distortion}}
262 bytes (29 words) - 18:08, 22 July 2017
• {{#category_index:H|harmonic function}}
255 bytes (30 words) - 18:10, 22 July 2017
• {{#category_index:H|harmonic mean}}
175 bytes (19 words) - 18:15, 22 July 2017
• The space-dependent form of the wave equation for a wave that is harmonic in time:
2 KB (271 words) - 15:26, 5 January 2021
• ...ral logarithm of the ratio of the amplitudes of two successive cycles of a harmonic event. Where the amplitude decay is because of absorption, the logarithmic
366 bytes (51 words) - 17:58, 13 April 2019
• ...essed as a percentage of the amount which will produce a certain amount of harmonic distortion. <b>3</b>. Sometimes used to imply the number of bits used to re
711 bytes (102 words) - 14:42, 13 July 2018
• ...des microseisms, source-generated noise, multiples, tape-modulation noise, harmonic distortion, etc. Sometimes divided into coherent noise (including nonreflec
585 bytes (72 words) - 07:32, 31 October 2017
• ...es of exploration interest. Ordinarily computed from a low-order spherical harmonic expansion constrained by satellite measurements. The normal field of the Ea
797 bytes (110 words) - 15:22, 11 December 2017
• A function that repeats after successive equal intervals of time; a <b>harmonic function</b>.
220 bytes (28 words) - 14:56, 7 March 2018
• ...a plot of the phase relationship of the component sinusoids determined by harmonic analysis graphed versus frequency.
274 bytes (38 words) - 18:22, 12 March 2018
• ...e of amplitude with distance because of absorption; the amplitude of plane harmonic waves is often written as
3 KB (497 words) - 11:00, 29 November 2020
• {{#category_index:S|spherical harmonic}}
218 bytes (24 words) - 09:52, 6 September 2017
• ...'']]. Wave motion at a point is often described mathematically in terms of harmonic components:
3 KB (537 words) - 09:42, 30 November 2017
• ...nse of nine geophones equally spaced 5.5 m apart. The solid curves are for harmonic (steady-state) waves, the dashed curves for a transient with a bell-shaped
845 bytes (128 words) - 00:03, 14 February 2020
• ...e x-k extrapolator, de-aliasing interpolation, delayed-shot migration, and harmonic-shot migration.
8 KB (1,270 words) - 12:41, 20 June 2016
• harmonic analysis (read wavelets) was worthwhile. Gilles
5 KB (814 words) - 19:47, 14 February 2014
• analysis, signal estimation theory, and modern concepts in harmonic analysis to develop robust and
5 KB (719 words) - 14:56, 17 October 2016
• and vibroseis. He published on vibrator efficiency, harmonic
4 KB (646 words) - 11:12, 18 October 2016
• ...erate in 1998. A few years later, most contractors had developed their own harmonic distortion-reduction algorithms, making Justus’ vision of a large number
5 KB (717 words) - 15:25, 17 October 2016
• ...c data]]. In our simple example, let us assume that we know the signal has harmonic content and is therefore sparse in the Fourier domain.
9 KB (1,356 words) - 16:40, 16 February 2016
• ...nse of nine geophones equally spaced 5.5 m apart. The solid curves are for harmonic (steady-state) waves, the dashed curves for a transient with a bell-shaped
799 bytes (122 words) - 22:49, 16 March 2017
• ...sub>''n''</sub> is the rms voltage of the ''n''th harmonic, the <b>percent harmonic distortion</b> is
1 KB (236 words) - 21:05, 3 April 2017
• The input amplitude for which the distortion-generated third harmonic becomes a certain percentage, generally 3% but sometimes 1%. For smaller in
245 bytes (31 words) - 21:05, 3 April 2017
• ...surface sources produces spurious correlations, especially for the second harmonic (which may be very large). This produces a distortion tail that follows the
352 bytes (49 words) - 21:07, 3 April 2017
• ...e of amplitude with distance because of absorption; the amplitude of plane harmonic waves is often written as
3 KB (457 words) - 11:01, 29 November 2020
• {{#category_index:H|harmonic}} ...frequency that is a simple multiple of a fundamental frequency. The third harmonic, for example, has a frequency three times that of the fundamental. <b>2</b>
419 bytes (66 words) - 17:08, 22 July 2017
• {{#category_index:H|harmonic analysis}}
274 bytes (36 words) - 17:10, 22 July 2017
• {{#category_index:H|harmonic average}} The reciprocal of a harmonic average is given by the sum of the weighted reciprocals of the elements to
404 bytes (61 words) - 17:12, 22 July 2017
• {{#category_index:H|harmonic distortion}}
203 bytes (23 words) - 18:08, 22 July 2017
• {{#category_index:H|harmonic function}}
196 bytes (24 words) - 18:11, 22 July 2017
• {{#category_index:H|harmonic mean}}
116 bytes (13 words) - 18:15, 22 July 2017
• {{#category_index:S|spherical harmonic}}
133 bytes (16 words) - 09:53, 6 September 2017
• {{#category_index:S|spherical harmonic}}
133 bytes (19 words) - 09:55, 6 September 2017
• ...des microseisms, source-generated noise, multiples, tape-modulation noise, harmonic distortion, etc. Sometimes divided into coherent noise (including nonreflec
526 bytes (66 words) - 07:32, 31 October 2017
• ...a plane reflector mainly effective in generating a reflection since, for a harmonic wave, the effects of successive zones generally cancel each other. A nomogr
1 KB (201 words) - 11:13, 21 November 2017
• The lowest frequency of a periodic function. Also called the <b>first harmonic</b>.
145 bytes (20 words) - 14:49, 2 March 2017
• The space-dependent form of the wave equation for a wave that is harmonic in time:
336 bytes (47 words) - 23:25, 23 January 2017
• ...d to upscale sonic-log data for synthetic seismogram manufacture. Involves harmonic averaging. <b>2</b>. Calculating the anisotropic elastic parameters that ch
360 bytes (44 words) - 08:25, 24 January 2017

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