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本文介绍通信网监控系统中实现数据采集的电压测量方法。分析了二极管组成的有效值测量电路，提出了由乘法器及软件实现的有效值测量方法，指出用乘法器组成的电压有效值测量方法是成本低、精度高的最好方法。
This article describes the communication network monitoring system to achieve data acquisition voltage measurement method. The effective value measuring circuit of the diode is analyzed, and the effective value measuring method by multiplier and software is put forward. It is pointed out that the voltage effective value measuring method composed by the multiplier is the best method with low cost and high precision.