Its measurement signal is to lead into harmonic signal digital measurement analysis system via ta end screen voltage signal amplifier.

其测量信号是经过TA末屏电压信号放大器引入谐波信号数字测量分析系统的。

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The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.

前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。

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Thirdly, the receiving-end consist of signal detection circuit, amplifier and data receiving circuit is also fabricated. Measuring results show that it performs well.

第三，研究与实现了接收端的信号检测、信号放大、数据采集电路，测试表明电路功能良好。

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