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如果只看真空中光的传播,则其都卜勒效应中仪器所接收的频率只与光源和观察者之间的相对运动速度有关.但讨论声的都卜勒现象时,众所熟悉的经典公式说明:仪器的接收频率既和观察者对介质的运动速度有关也和声源对介质的运动速度有关,并非只决定于声源和观察者之间的相对运动速度.本文从狭义相对论的时空概念出发,考虑声的都卜勒效应的相对论修正,证明了光在介质中传播时的都卜勒效应和声的都卜勒效应可以归结为同一形式,而光在真空中传播时的都卜勒效应只是光在介质中传播时都卜勒效应的一个特例.
If we look at the propagation of light in a vacuum only, the frequency of its reception in the Doppler effect depends only on the relative speed of motion between the light source and the observer, but when discussing the acoustic Doppler phenomenon, the familiar classics The formula shows that the receiving frequency of the instrument is not only related to the observer’s velocity of the medium but also to the velocity of the medium with respect to the sound source, not only the relative velocity between the sound source and the observer.This paper starts from the space- According to the concept, the relativistic correction of the Doppler effect of sound proves that the Doppler effect and the Doppler effect of light propagating in medium can be attributed to the same form, while the light propagates in vacuum Leh effect is just a special case of the Doppler effect when light propagates through the medium.