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本文介绍了在PTR测量中,采有编程控制技术控制锁相放大器,采集并实时处理实验数据,抑制背景随机噪声,提高实验精度的方法,并给出了在不同情况下得出的实验结果。
In this paper, we introduce a method of controlling the lock-in amplifier by program control technology, acquiring and processing experiment data in real time, suppressing background random noise and improving experiment precision in PTR measurement. The experimental results obtained under different conditions are also given.