如果输入端的交流电压很大，其一部分信号被整流，于是在被测的直流信号中产生了误差。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
在接地信号源RSE测量系统中引入接地环路会导致所测的信号源电压值产生误差。
The hazard of using an RSE system with a grounded signal source is the introduction of ground loops, a possible source of measurement error.
利用可编程逻辑器件克服电压信号和电流信号分时测量所带来的误差，同时也提供了数据存储空间。
Use of programmable logic devices to overcome voltage and current signals by the time of measurement error, and also provided a data storage space.
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