Search results

Jump to: navigation, search
Results 1 – 20 of 28
Advanced search

Search in namespaces:

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  • ...ionary:alias_filter|''alias filter'']] (q.v.) (also called an <b>antialias filter</b>) before sampling. Aliasing is an inherent property of all sampling syst ...gust 1995 |title=Exploration Seismology, 2nd Ed |publisher=Cambridge Univ. Press |page=282–282, 451–452 |isbn=9780521468268}}</ref>.
    4 KB (611 words) - 16:32, 26 February 2018
  • {{#category_index:F|filter}} ...ecial:MyLanguage/Dictionary:convolution|''convolution'']] (q.v.). A linear filter may be characterized by its impulse response or by its frequency-domain <b>
    3 KB (452 words) - 16:19, 30 October 2018
  • ...and Geldart, L. P., 1995, Exploration Seismology, 2nd Ed., Cambridge Univ. Press.</ref> The [[Special:MyLanguage/Dictionary:absorption coefficient|absorptio ...term to describe the sharpness of a [[Special:MyLanguage/Dictionary:filter|filter]]; the ratio of the midpoint frequency to the bandpass width (often at 3 dB
    3 KB (497 words) - 10:00, 29 November 2020
  • Bayless, J. W. and Brigham, E. O., 1970, Application of the Kalman filter: Geophysics, 35, 2&ndash;23.</li> ...lt, B. A., 1985, Introduction to the theory of seismology: Cambridge Univ. Press.</li>
    40 KB (5,282 words) - 16:45, 23 February 2016
  • ...and the inverse of a filter can be found by finding the reciprocal of the filter's ''z''-transform. The ''z''-transform polynomial can be factored and expre ...and Geldart, L. P., 1995, Exploration Seismology, 2nd Ed., Cambridge Univ. Press, pgs. 292, 549-550.</ref> Sometimes the opposite convention is used, i.e.,
    3 KB (507 words) - 10:55, 20 April 2021
  • At the outset, it is not possible to press Eugene McDermott into any single early designs of sensitive, yet rugged, seismometers, amplifiers, filter
    13 KB (2,119 words) - 10:41, 29 June 2017
  • ...ber the man more than the achievements and honors," wrote Sheriff, [[Frank Press]] and Gerry Pickering in a memorial published in the AAPG Bulletin. The mem ...career, an ingenious method by which laser technology could be adapted to filter seismic data. It was ready for commercial use in the mid-1960s (See ''Veloc
    30 KB (4,964 words) - 13:13, 17 October 2016
  • Treitel would be one of the leading others. But for three years, filter theory - the synthesis of GAG's work - would not be in the forefront of his ...nd Treitel does. Quantum leaps, so often heralded by the technical and lay press, he discredits categorically.
    27 KB (4,323 words) - 16:53, 31 August 2020
  • ...er: Geol. Soc. Am. Mem. 27.</ref> <ref name=ch06r32>Press and Ewing, 1950, Press, F. and Ewing, M., 1950, Propagation of explosive sound in a liquid layer o ...ing <ref name=ch06r15>Ewing et al. (1957), Ewing, M., Jardetsky, W. S. and Press, F., 1957, Elastic waves in layered media: McGraw-Hill Book Co.</ref>.
    70 KB (10,953 words) - 14:05, 9 October 2014
  • ...' domain. Hence, downgoing waves can be suppressed with an ''f − k'' dip filter, thereby leaving only the reflection and associated multiples that constitu ...ring rejects noise bursts and any event that is not flat. Apply the median filter to the VSP data set with flattened downgoing waves to yield the downgoing w
    6 KB (967 words) - 08:29, 7 October 2014
  • ...ocesses, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.
    857 bytes (120 words) - 16:33, 27 May 2017
  • ...and Geldart, L. P., 1995, Exploration Seismology, 2nd Ed., Cambridge Univ. Press.</ref> The [[Special:MyLanguage/Dictionary:absorption coefficient|absorptio ...term to describe the sharpness of a [[Special:MyLanguage/Dictionary:filter|filter]]; the ratio of the midpoint frequency to the bandpass width (often at 3 dB
    3 KB (457 words) - 10:01, 29 November 2020
  • ...and the inverse of a filter can be found by finding the reciprocal of the filter's ''z''-transform. The ''z''-transform polynomial can be factored and expre ...and Geldart, L. P., 1995, Exploration Seismology, 2nd Ed., Cambridge Univ. Press, pgs. 292, 549-550.</ref> Sometimes the opposite convention is used, i.e.,
    3 KB (479 words) - 10:56, 20 April 2021
  • ...ionary:alias_filter|''alias filter'']] (q.v.) (also called an <b>antialias filter</b>) before sampling. Aliasing is an inherent property of all sampling syst ...gust 1995 |title=Exploration Seismology, 2nd Ed |publisher=Cambridge Univ. Press |page=282–282, 451–452 |isbn=9780521468268}}</ref>.
    4 KB (583 words) - 07:38, 26 March 2018
  • {{#category_index:F|filter}} ...ecial:MyLanguage/Dictionary:convolution|''convolution'']] (q.v.). A linear filter may be characterized by its impulse response or by its frequency-domain <b>
    3 KB (424 words) - 18:19, 30 October 2018
  • ...and Geldart, L. P., 1995, Exploration Seismology, 2nd Ed., Cambridge Univ. Press.</ref> El [[Special:MyLanguage/Dictionary:absorption coefficient/es|coefici ...Un término que describe la nitidez de un [[Special:MyLanguage/Dictionary:filter/es|filtro]]; La relación entre la frecuencia del punto medio y el ancho de
    3 KB (526 words) - 16:20, 22 January 2021
  • ...lems, ''in'' D. F. Findley, ed., Applied time series analysis, 2: Academic Press, 101–167.</ref>; Treitel and Lines, 1982<ref name=ch05r14>Treitel, S., an What is an inverse filter? Let us develop an expression for <math>y_n</math> by looking backward in t
    15 KB (2,185 words) - 15:57, 30 April 2021
  • ...impulse response is in the time domain, as is the input signal itself. The filter’s frequency spectrum is in the frequency domain. Both modes of expression ...operation to be in the time domain, but only the frequency spectrum of the filter is specified. In such a case, the frequency spectrum must be transformed in
    9 KB (1,254 words) - 12:11, 3 May 2021
  • ...elay wavelet can be represented uniquely by the convolution of an all-pass filter (which has a flat magnitude spectrum) and a minimum-delay wavelet. Both wav ...mb|{{figure number|4.}} A minimum-delay wavelet convolved with an all-pass filter gives a mixed-delay wavelet. Both wavelets have the same autocorrelation.]]
    11 KB (1,528 words) - 09:21, 6 May 2021
  • ...ltichannel time series analysis with digital computer programs: Holden Day Press.</ref>; Sengbush, 1983<ref name=ch11r18>Sengbush, R. L., 1983, Seismic expl ...of the one-pass reverberation train; that is, the one-pass dereverberation filter is the minimum-delay operator
    8 KB (1,141 words) - 09:54, 6 May 2021

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)