wave train

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wave train

[′wāv ‚trān]
(physics)
A series of waves produced by the same disturbance.
References in periodicals archive ?
Dysthe [5] derived a modified, 4th order version of the NLS equation that accounts for finite spectral width and describes the evolution of the spatial distribution of the complex envelope of the narrow-banded wave train in time.
An initially small hump in a nearly monochromatic wave train corresponding to finite values of [absolute value of [eta]] is thus amplified significantly as [absolute value of [eta]] [right arrow] 0.
For comparison, the highest crests and the deepest troughs recorded in every wave train at each location are also plotted in Fig.
Figure 2 demonstrates that the initially symmetric spectra become notably asymmetric as the wave train propagates along the tank, in contrast to the behaviour of the PB spectra that retain their symmetric shape.
It was found that, in the area of the Bohemian Massif, the wave trains of Rayleigh waves are relatively short compared with the wave trains at the sites in the Carpathian foredeep and Danubian Lowland;
If the wave train images are compared, there is no doubt that the broadening of the spectra at the sites mentioned first can be explained by the dispersive properties of Rayleigh waves, while at the site at epicentral distance r > 40 km the width of their spectra are narrower, as seen in Figure 9.
Last but not least, the similarity of results obtained using the zero-upcrossing and zero-downcrossing methods suggests that ship waves are more similar to regular wave trains or groups than to freak waves.
Moreover, the amplifying interactions between two wave trains traveling in different directions--a condition called crossing seas--can really pump up a wave, he and his colleagues report in the Jan.
The first versions of the programs were aimed at the interactive processing of the wave trains (arrival times determination) needed for localization procedures.
Preliminary categorization of seismic events for the summary of events into categories mentioned above was carried out according to the type analysis of wave trains, each of them having characteristic features.
In addition the SPF network together with the stations of the seismic polygon DPB Paskov could provide important information on the development and character of the wave trains, determination of physical properties of seismic waves and physical parameters of the foci of more intensive seismic events.
Two wave trains received simulatenously from a single source at different observing stations will usually differ in phase, and the phase difference depends on the geometry of the source and the distance between the observing stations.