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本文说明了验证光的多普勒效应的一种方法,并介绍了当前国外在测定纤维集合体内液体传输在任意点的局部速度所采用的激光多普勒测速技术的基本原理,由此说明了多普勒效应在实际中的应用。
This paper describes a method of verifying the Doppler effect of light and introduces the basic principles of laser Doppler velocimetry currently used abroad to determine the local velocity of liquid transport at any point within an assembly of fibers. Doppler effect in practice.