periodic wave

periodic wave

[¦pir·ē¦äd·ik ′wāv]
(physics)
A wave whose displacement has a periodic variation with time or distance, or both.
References in periodicals archive ?
Li: Extended F-expansion method and periodic wave solutions for the generalized Zakharov equations, Phys.
It now includes a new password-protected supervisor mode to prevent unauthorized changes to settings; and a Period Tool in time-domain waveform views to help vibration analysts quickly quantify periodic wave anomalies.
Zhao: Jacobi elliptic function expansion method and periodic wave solutions of nonlinear wave equations, Phys.
Direct Digital Synthesis: A Tool for Periodic Wave Generation.
This is an implicit representation of the periodic wave solutions of the extended KdV equation (1), though only in a first approximation.
There are some theoretical works which suggest that convection of mantle plumes, rather like a lava lamp, should be coordinated in periodic waves.
Since the first European settlements in the 17th century, there have been periodic waves of major immigrations--the Northern Europeans in the 1700s and early 1800s, the Southern and Eastern Europeans in the late 1800s and early 1900s, and, in the late 20th century, those from Latin America and Asia.
describes in his book, "The Cycles of American History," periodic waves of selfishness and materialism that have punctuated US history.
For perfectly periodic waves, destructive interference occurs whenever one wave lags behind the other by half a wavelength or one-and-a-half wavelengths or two-and-a-half wavelengths and so on.
When considering the motion of water waves over a beach with constant slope, one may look for periodic waves, which are either standing or progressive.

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