Talk about wave speed and wave length transformation and its physical significance
Regarding wave speed and wavelength transformation,although it has been discussed in some litera-tures,but the obtained expressions is too complex to be remembered,and its physical significance is not involved.This article analyzes this problem by the Lorentz transformation of four-dimensional wave vector,through introdu-cing the concept of wave speed factor and comprehensive velocity factor,the simple expressions that are easy to re-member is obtained,and strive to clarify its physical significance,and finally explain its application.
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