本文主要叙述几种光学测振的新方法:光纤干涉测振、激光衍射振动分析和激光扫描多普勒测振等,简要地介绍了这些测振技术的工作原理和实验应用,并作出初步的分析讨论。 This paper describes several new methods of optical vibration measurement: optical interferometry vibration, laser diffraction vibration analysis and laser scanning Doppler vibration measurement, briefly introduced the working principle and experimental applications of these vibration measurement techniques, and made a preliminary Analysis and discussion.