The relativisticDopplereffect for light waves is formulated exactly by 4-vector transformation.
利用四维波矢变换可以严格推导狭义相对论多普勒效应的计算公式。
2
The superposition property of elastic wave's Dopplereffect and the influence of relativistic time dilation and length contraction on elastic wave's Dopplereffect are also discussed.