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介绍了合成试验的基本原理，并重点论述了能够提高合成试验成功率的计算机测控系统。在该测控系统中讲述了采集电流和电压信号的传感元件、对测试系统的隔离保护、信号的放大、信号采集与数据处理、单片机与ＰＣ机的串行通讯，并论述了求取电流有效值的数据处理算法。
The basic principle of the synthesis test is introduced, and the computer measurement and control system which can improve the success rate of the synthesis test is emphatically discussed. The measurement and control system is described in the acquisition of current and voltage signal sensing element, the test system isolation protection, signal amplification, signal acquisition and data processing, microcontroller and PC serial communication, and discussed the effective current Value data processing algorithms.