By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.
为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。
The reference signal in this control approach is obtained by detecting both source current and load voltage.
该控制方式的指令信号通过同时检测电源电流和负载电压得到。
For PWM current control, the maximum output current is determined by the users selection of a reference voltage and sensing resistor.
对于PWM电流控制，最大输出电流是由用户选择参考电压和感应电阻决定。
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