It USES a lock-in amplifier for testing the signal and a personal computer for automatic data scanning, collecting and processing.
利用锁相放大器追踪测量信号，微机自动扫描、采集和处理数据。
An experiment for power amplifier circuit has been researched in the studying process for the laser scanning apparatus in this article.
在激光扫描的研制过程中，对驱动放大电路的实验进行了探讨。
An experiment for power amplifier circuit has been researched in the studying process for the laser scanning apparatus in this article.
在激光扫描的研制过程中，对驱动放大电路的实验进行了探讨。
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