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Doppler shift of the modulation frequency of laser radiation scattered by a moving object

机译:运动物体散射的激光辐射的调制频率的多普勒频移

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摘要

It is shown theoretically and experimentally that the intensity of amplitude-modulated coherent optical radiation scattered or reflected by a moving object carries information about the velocity in the form of the Doppler frequency shift of the modulating harmonic function. Since a photodetector responds to the radiation intensity proportional to this function, the above-indicated effect allows one to carry out contactless measurements of motion parameters without using methods of interferometry.
机译:从理论上和实验上表明,被移动物体散射或反射的调幅相干光辐射的强度以调制谐波函数的多普勒频移的形式携带有关速度的信息。由于光电探测器对与该功能成正比的辐射强度作出响应,因此上述效果使人们无需使用干涉测量方法即可进行运动参数的非接触式测量。

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