The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect.
本文采用散斑干涉理论研究固体表面面内位移测量的激光多普勒效应方法。
2
A new testing method is introduced in the paper, the speed and displacement single grating measuring system has been realized by using Doppler effect of grating moving.
本文介绍一种新的测试方法，利用光栅运动的多普勒效应，实现速度或位移测量的单光栅测量系统。
3
This paper discusses a new method for measuring displacement using grating Doppler effect.