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  • ...l∂ nat’ ik) The locus for a given traveltime of wave energy reflected or refracted at a surface. Wavefronts are aplanatic surfaces for reflection
    908 bytes (126 words) - 20:55, 4 March 2018
  • ...cuum, 2.997 925&#x00D7;10<sup>8</sup>&#x0020;m/s. <b>3</b>. A seismic wave reflected at the Earth&#x2019;s mantle-core boundary.
    320 bytes (48 words) - 14:54, 29 January 2017
  • {{#category_index:C|channel wave}} ...Special:MyLanguage/Dictionary:Fig_C-2|C-2]]. A channel is also called a <b>wave guide</b> and channel waves are also called <b>guided waves</b> and <b>norm
    2 KB (312 words) - 10:31, 11 July 2017
  • {{#category_index:C|converted wave}} ...y as a [[Dictionary:P-wave|P-wave]] and partly as an [[Dictionary:S-wave|S-wave]], being converted from one to the other upon reflection or refraction at o
    4 KB (533 words) - 11:20, 19 September 2020
  • This model is a consequence of the concept that each reflected wave causes its own effect at each geophone (or hydrophone) independent of what
    863 bytes (134 words) - 12:52, 4 December 2017
  • ...eflector mainly effective in generating a reflection since, for a harmonic wave, the effects of successive zones generally cancel each other. A nomogram fo
    1 KB (207 words) - 18:05, 14 November 2017
  • ...2</b>. Seismic wave energy falling on a reflector and thus available to be reflected. It depends on source-receiver configuration and velocity distribution, esp
    541 bytes (70 words) - 23:22, 18 January 2017
  • ...the first arrival of the downgoing wave is time-coincident with an upgoing wave.&#x2019;&#x2019;
    609 bytes (91 words) - 12:16, 7 March 2017
  • ...e picked with reasonable certainty. Depends on the energy of the reflected wave, the presence of noise, and the processing to which the data are subjected
    550 bytes (77 words) - 21:53, 23 November 2017
  • {{#category_index:R|reflected refraction}} <b>1</b>. Head-wave energy that has been reflected or diffracted back from a discontinuity in a refractor, such as a fault. Se
    1 KB (201 words) - 21:54, 18 January 2020
  • The energy or wave from a seismic source that has been reflected (returned) from an acoustic-impedance contrast (<b>reflector</b>) or series
    705 bytes (93 words) - 13:52, 27 February 2018
  • ...k and forth over only a small portion of the section so that the resulting wave blends with the primary pulse, changing its waveshape and adding a tail. Se
    435 bytes (64 words) - 18:47, 27 April 2017
  • {{#category_index:S|sky wave}} ...io) waves reflected from ionized layers in the ionosphere. Involved in sky-wave interference and in making radio waves receivable beyond the line-of-sight
    417 bytes (47 words) - 16:08, 11 April 2019
  • {{#category_index:S|sky-wave interference}} ...unset, so sky-wave interference is especially variable at these times. Sky-wave interference degrades the accuracy and range of radio-positioning systems.
    484 bytes (63 words) - 23:00, 14 September 2018
  • ...es the channel. (<b>e</b>) The high-frequency portion of (d), the <b>water wave</b>; its arrival is used in refraction work to determine the range. (From C
    1 KB (209 words) - 21:45, 19 June 2017
  • ...f layers 1, 2, and ''V''<sub>''S''1</sub>, ''V''<sub>''S''2</sub> is the S-wave velocity in layers 1, 2. Note the minus sign (the opposite sign convention ...in reflectivity, depending on the polarization (SH or SV) of the incident wave; the formula (for isotropic media) are given in Aki and Richards. But, sinc
    2 KB (249 words) - 00:02, 20 September 2020
  • {{#category_index:S|standing wave}} ...length intervals. Continuous-wave radio-navigation systems set up standing-wave patterns.
    582 bytes (74 words) - 05:30, 1 November 2017
  • {{#category_index:T|turning wave}} ...ath (for example, by an overhanging salt flank), it is called a <b>turning-wave reflection</b> (see Figure [[Special:MyLanguage/Dictionary:Fig_D-19|D-19]])
    621 bytes (97 words) - 23:31, 14 April 2019
  • A vibroseis field record consists of the superposition of many long reflected wavetrains and is generally uninterpretable because of the extensive overla The original Vibroseis vibrated vertically; it is sometimes be called a "P-wave" vibrator because most of the energy radiated near-vertically travels as P-
    2 KB (361 words) - 23:52, 19 September 2020
  • ...terface.png|thumb|Diagram showing the mode conversions that occur when a P-wave reflects off an interface at non-normal incidence]] ...hat describe the partitioning of [[Special:MyLanguage/seismic wave|seismic wave]] energy at an interface, typically a boundary between two different layers
    9 KB (1,422 words) - 20:35, 19 September 2020

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