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。
The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect.
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 remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
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。
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.
采用原子蒸气束激光诱导荧光法测量钆原子的第一激发态的同位素位移及超精细结构、原子跃迁自发辐射的分支比和原子蒸气束的多普勒宽度。
The isotope shifts, hyperfine structure, spontaneous emission branch ratio of the first excited level and Doppler width of the atom vapor beam were measured using laser induced fluorescence.
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.
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。
This paper discusses a new method for measuring displacement using grating Doppler effect.
分别对开胸犬及7例二尖瓣金属瓣置换术后患者利用多普勒组织成像中的速度时间积分曲线对放置钛夹处心肌及二尖瓣环处的长轴运动位移进行定量研究；
Quantitative study was made on time velocity integral(TVI) of the implanted myocardium and left ventricular long axis in 7 canine models, and 7 patients with replaced metal mitral valve.
分别对开胸犬及7例二尖瓣金属瓣置换术后患者利用多普勒组织成像中的速度时间积分曲线对放置钛夹处心肌及二尖瓣环处的长轴运动位移进行定量研究；
Quantitative study was made on time velocity integral(TVI) of the implanted myocardium and left ventricular long axis in 7 canine models, and 7 patients with replaced metal mitral valve.
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