本文介绍了一种用声光调制器、模拟除法器和自动锁相放大器来改进激光探针测试系统稳定性的方法。
This paper reports a technique used lor improving the stability of the laser probe consisting of an acoustooptic modulator, an analogue divider and an auto-lock-in amplifier.
利用锁相放大器SR844对产生的信号进行模拟鉴相，并同软件鉴相结果比较分析；
Used lock-in amplifier SR844 for hardware phase detection and compared with software detection.
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