It can also be used to measure the AC voltage signal with superimposed DC component.
能测量含有直流分量的交流电压信号。
Signal control cable applied the copper cored cable which may withstand 500 AC rated voltage.
信号控制电缆采用能耐交流额定电压500伏以上的铜芯电缆。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
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