The width of a boxcar with the same peak amplitude that contains the same energy.
207 bytes (28 words) - 14:53, 13 April 2019
...the energy. If an erroneous correlation is made into an adjacent trough or peak, one has <b>jumped a leg</b>.
399 bytes (63 words) - 15:10, 16 November 2017
...2π times the [[Special:MyLanguage/peak energy|peak energy]] to the energy dissipated in a cycle; the ratio of 2π times the power stored to the
...of factors other than absorption. ''E'' = energy, <math>\Delta E</math> = energy lost in one cycle, <math>\lambda</math> = wavelength, ''f'' = frequency, ''
3 KB (500 words) - 17:49, 21 July 2017
...q.v.) or [[Special:MyLanguage/Dictionary:S-wave|''S-waves'']] (q.v.). Wave energy that has traveled partly as a P-wave and partly as an S-wave is called a <b
3 KB (537 words) - 08:42, 30 November 2017
...the width of a boxcar with the same peak amplitude which contains the same energy. <b>3</b>. To select for analysis data within specified bounds. <b>4</b>. A
883 bytes (139 words) - 18:45, 7 July 2018
...generate them, and are usually called 'primary microseisms'. The stronger peak, for shorter periods, is also due to surface gravity waves in water, but a
...of seismic energy is strongest when there are a significant amount of wave energy travelling in opposite directions. This occurs when swell from one storm me
9 KB (1,380 words) - 16:35, 17 March 2015
...escribed as a discrete sum of a number of sinusoids — each with a unique peak amplitude, frequency, and a phase-lag (relative alignment). The ''analysis'
...efractions, coherent noise such as multiples, guided waves, side-scattered energy and ground roll, and ambient random noise.
5 KB (721 words) - 09:29, 24 February 2015
laboratory conjuring with the electonics—Gordon in his element and at the peak of his creativity. There is the construction, field-testing, data modeling/
Atomic Energy of Canada, is now
11 KB (1,745 words) - 10:30, 18 October 2016
...or good reasons. Frank Clynch explains: "The big problem was isolating the energy source from the vehicle carrying it. Without proper isolation the force of
...conventional baseplates, and also in areas requiring a very low frequency energy source.
28 KB (4,594 words) - 13:09, 17 October 2016
...st notably the Hubbert curve and Hubbert peak theory (a basic component of Peak oil), with important political ramifications. He was often referred to as "
...dent document of that group which advocates a non-market economics form of energy accounting, in contrast to the current Price System method. Hubbert was a m
9 KB (1,306 words) - 13:35, 17 October 2016
a system for controlling the peak force of a vibrator using the
energy sources. John’s method, now our industry’s standard,
5 KB (725 words) - 17:59, 18 July 2017
amplitude" existing at the detector or geophone. The peak amplitudes of
the energy source, to near one-tenth of a microvolt some seconds later, a
4 KB (615 words) - 15:27, 21 February 2014
...nding to midpoint 1; just five midpoints away, at midpoint 5, the migrated energy is very low.
...ty used in generating the model in Figure 5.4-23. Any displacement of peak energy from the ''t'' = ''τ'' image line means that the velocity value used for d
40 KB (6,190 words) - 13:12, 8 October 2014
...fact, the wavelet was synthesized using the zero-phase sinusoids of equal peak amplitude.
...number|1.1-2}} An ensemble of sinusoidal motions with different frequency, peak amplitude, and phase-lag can be superimposed to synthesize a time-dependent
9 KB (1,409 words) - 12:48, 17 September 2014
...roll, and some high-frequency ambient noise. The usable seismic reflection energy usually is confined to a bandwidth of approximately 10 to 70 Hz, with a dom
...an be performed before [[deconvolution]] to suppress remaining ground-roll energy and high-frequency ambient noise that otherwise would contaminate signal au
6 KB (781 words) - 14:47, 28 August 2014
...uares problem in which we must minimize the sum of the least-squares error energy between the observed traveltime picks ''t<sub>ij</sub>'' and the modeled tr
...ternatively, the rejected shift can be replaced by a secondary correlation peak value. Finally, the input CMP gathers must be NMO-corrected by using a regi
22 KB (3,408 words) - 16:48, 7 October 2014
# Compute the cumulative energy of the stacked traces from step (b) by summing the squared amplitudes.
# Determine the correlation lag associated with the peak crosscorrelation value — this is the shot residual static shift.
5 KB (779 words) - 08:32, 19 September 2014
...e 5.0-5b? No, it did not; instead, the energy represented by the semblance peak ''A'' in Figure 5.0-5a actually has moved to another CMP location in the up
...bserved on [[the velocity spectrum]] shown in Figure 5.0-9a. The semblance peak on the spectrum denoted by ''B'' represents the diffraction off the tip of
11 KB (1,693 words) - 14:18, 23 September 2014
...elocity function that includes the 2500-m/s peak, rather than the 2750-m/s peak. DMO correction has partially migrated the steeply dipping event to another
...5.3-20. As a result of the partial [[migration]] effect of DMO correction, energy is moved from one CMP location to another. Consequently, reflection-point s
19 KB (2,901 words) - 12:50, 25 September 2014
...ency variation is a function of bed thickness, as bed thickness decreases, peak frequency increases.
...the first λ/4. If the wavelength is larger than λ/4 from the zone where energy was reflected, then the resolution is lower.
6 KB (916 words) - 07:56, 19 March 2018