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。
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。
This paper discusses a new method for measuring displacement using grating Doppler effect.
本文研究了一种利用光栅衍射的多普勒效应进行位移测量的新方法。
A remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
研究了利用运动光栅的多普勒效应进行切向位移的遥测技术。
A transducer for lateral remote displacement measurement based on grating laser Doppler effect is introduced.
介绍了一种光栅横向位移遥测传感器，被测位移和光束方向垂直。
In the displacement measurement system of scattering surface laser Doppler effect, the measuring accuracy is affected by the weakly Doppler signal that may be lost or discontinuous.
利用激光多普勒效应实现固体面内位移测量时，由于散射光的多普勒信号十分微弱，有时还出现淹没或不连续，影响位移测量精度。
In the displacement measurement system of scattering surface laser Doppler effect, the measuring accuracy is affected by the weakly Doppler signal that may be lost or discontinuous.
利用激光多普勒效应实现固体面内位移测量时，由于散射光的多普勒信号十分微弱，有时还出现淹没或不连续，影响位移测量精度。
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