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There is a page named "Frequency" on this wiki. See also the other search results found.

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  • {{#category_index:A|angular frequency}} ...ition rate measured in radians/s. Where ''f''=frequency in Hz, the angular frequency ω is ω=2π''f''.
    253 bytes (35 words) - 22:21, 3 January 2018
  • {{#category_index:A|audio-frequency magnetic method}}
    212 bytes (23 words) - 14:28, 5 July 2018
  • {{#category_index:B|beat frequency}}
    404 bytes (60 words) - 09:47, 15 December 2017
  • {{#category_index:C|circular frequency}} Angular frequency ω=2π''f'', where ''f''=ordinary frequency.
    202 bytes (24 words) - 12:56, 28 November 2017
  • {{#category_index:C|complex frequency}} where <math> \left(\omega + i \alpha\right) </math> is the complex frequency.
    472 bytes (77 words) - 16:49, 3 April 2017
  • {{#category_index:C|corner frequency}} ...reak frequency</b>. (b) For a seismic wave generated by an earthquake, the frequency at which the spectral field begins to decrease. It is related to the dimens
    430 bytes (67 words) - 12:07, 8 December 2017
  • {{#category_index:D|dominant frequency}} The dominant frequency is usually determined by measuring the time between successive peaks or tro
    315 bytes (40 words) - 22:46, 7 June 2017
  • {{#category_index:F|folding frequency}} The Nyquist frequency; see [[Special:MyLanguage/Dictionary:alias|''alias'']].
    204 bytes (22 words) - 14:42, 2 March 2017
  • {{#category_index:F|frequency}} ...eriod. Compare [[Special:MyLanguage/Dictionary:spatial_frequency|''spatial frequency'']].
    2 KB (289 words) - 14:44, 2 March 2017
  • {{#category_index:F|frequency domain (FD)}} A representation in which frequency is the independent variable; the Fourier transform variable when transformi
    255 bytes (31 words) - 14:45, 2 March 2017
  • {{#category_index:F|frequency-domain method}} ...requency effect (PFE). Involves the variation of apparent resistivity with frequency.
    462 bytes (54 words) - 18:03, 14 November 2017
  • {{#category_index:F|frequency-domain migration}} ...n which the wave equation <math>\phi(x,0,t)</math> is transformed into the frequency-wavenumber domain.
    893 bytes (120 words) - 14:47, 2 March 2017
  • {{#category_index:F|frequency-domain sounding}} See [[Special:MyLanguage/Dictionary:frequency-domain_method|''frequency-domain method'']].
    225 bytes (21 words) - 14:47, 2 March 2017
  • {{#category_index:F|frequency effect (FE)}} <b>Percent frequency effect (PFE)</b> is often used. Frequency effect can also be related to chargeability ''M'' by
    677 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)}} ...the instantaneous frequency of the modulated wave differs from the carrier frequency by an amount proportional to the instantaneous value of the modulating wave
    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}} The characteristics of a system as a function of frequency. See [[Special:MyLanguage/Dictionary:Fourier_transform|''Fourier transform'
    266 bytes (31 words) - 14:46, 2 March 2017
  • {{#category_index:F|frequency slices}} A [[Special:MyLanguage/Dictionary:frequency_panel|''frequency panel'']] (q.v.) or filter panel.
    221 bytes (26 words) - 14:47, 2 March 2017
  • {{#category_index:F|frequency sounding}}
    220 bytes (21 words) - 18:03, 14 November 2017

Page text matches

  • Absorption involves change of amplitude and velocity with frequency; it is thus a mechanism (but not the only one) for attenuating high frequen ...th> = energy lost in one cycle, <math>\lambda</math> = wavelength, ''f'' = frequency, ''x'' = distance, ''t'' = time, <math>\frac{A}{A_{0}} = \frac{\text {ampli
    2 KB (240 words) - 11:39, 17 October 2016
  • ...orption coefficient or attenuation factor. It usually varies linearly with frequency and is often expressed in dB/wavelength (typically 0.20 to 0.50 dB/&lambda;
    680 bytes (96 words) - 11:32, 8 December 2017
  • ...as varies as the message. (<b>d</b>) <b>Frequency modulation</b> (FM); the frequency of the carrier wave varies. (<b>e</b>) <b>Pulse-width modulation</b> (PWM);
    980 bytes (152 words) - 11:31, 8 December 2017
  • ...equency and a 90&#x00B0; phase shift (as may be the case below the natural frequency) operates as an accelerometer.
    580 bytes (83 words) - 11:40, 17 October 2016
  • Small amplitude high-frequency transient elastic waves generated by deformation of a material.
    197 bytes (23 words) - 19:20, 28 September 2016
  • ...ually have relatively high-frequency content. Modes of high-amplitude, low-frequency tube waves (sometimes called Stoneley waves) are often distinct arrivals. <
    1 KB (182 words) - 20:08, 6 June 2020
  • ...</b>netic technique, the use of natural electromagnetic noise in the audio-frequency range to study lateral changes in earth resistivity. The quantities measure
    750 bytes (109 words) - 12:35, 17 October 2016
  • ...Major earthquakes are often followed by many aftershocks that decrease in frequency with increasing time.
    348 bytes (48 words) - 15:04, 23 January 2018
  • Its [[Dictionary:Frequency_spectrum|frequency spectrum]] depends on the amount of air in the bubble, the [[Dictionary:air Arrays of guns of different sizes are often used so that a broader frequency spectrum will be generated.
    2 KB (283 words) - 20:57, 6 June 2020
  • ...he curve of group velocity versus frequency; it is characterized by a high-frequency wavetrain, often with a fairly abrupt termination at an arrival time corres
    537 bytes (74 words) - 12:44, 17 October 2016
  • .... F-11. <b>''f,k''</b> <b>plot</b>. (<b>a</b>) The region passed by array, frequency, and velocity filters is cross-hatched. Radial lines through the origin rep ...e frequency ''f''<sub>''N''</sub> + &Delta;''f'' appears to be the smaller frequency, ''f''<sub>''N''</sub> – &Delta;''f''. The two frequencies, ''f''<sub>''
    4 KB (611 words) - 17:32, 26 February 2018
  • ...apidly above this band so as to provide high 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
  • Variations in the amplitude of a high-frequency carrier wave according to low-frequency information. See Figure [[Special:MyLanguage/Dictionary:Fig_M-16|M-16]].
    324 bytes (38 words) - 12:11, 16 March 2018
  • The amplitude-versus-frequency relationship such as computed in a Fourier analysis. See [[Dictionary:Fouri
    246 bytes (27 words) - 13:23, 17 October 2016
  • ...dulation'']] (q.v.) information is carried by variations of a carrier-wave frequency, in [[Special:MyLanguage/Dictionary:pulse-width_modulation|''pulse-width mo
    776 bytes (102 words) - 23:14, 3 April 2018
  • {{#category_index:A|angular frequency}} ...ition rate measured in radians/s. Where ''f''=frequency in Hz, the angular frequency &#x03C9; is &#x03C9;=2&#x03C0;''f''.
    253 bytes (35 words) - 22:21, 3 January 2018
  • ...frequency domain, an anomalous region has resistivity that decreases with frequency. An interesting resistivity anomaly is generally smaller than background.
    1 KB (172 words) - 13:46, 17 October 2016
  • ...gnetic field intensities (<b>E</b> and <b>H</b>) are measured at a certain frequency or time. If the subsurface were homogeneous and isotropic, these would yiel
    3 KB (368 words) - 14:38, 11 March 2018
  • A graph of apparent resistivity against electrode separation, frequency, or time. Apparent-resistivity curves are often plotted on logarithmic pape
    499 bytes (57 words) - 16:16, 11 March 2018
  • ...nt resistivities in the complex plane over a broad frequency band. Used in frequency-domain induced polarization. See also [[Special:MyLanguage/Dictionary:Cole-
    415 bytes (54 words) - 17:34, 8 January 2018

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