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本文介绍了一种利用通用频谱分析仪处理振动激光外差信号,测量已知振频的振幅的方法,并对这一方法的精度进行了分析
In this paper, we introduce a method to process the vibration laser heterodyne signal by using a general spectrum analyzer and measure the amplitude of the known vibration frequency. The accuracy of this method is also analyzed