存在一个巨大的IR降(欧姆电位损失)没有补偿或校正，因此曲线图中显示的很多电压并不是界面电位。
There is a huge IR drop (ohmic potential loss) that has not been compensated or corrected for, so the interfacial potentials are nothing like the many Volts appearing in the plots?
本文在超声发生器中加入功率因数校正电路（APFC），并利用单片机控制数字电位器实现了对电压反馈网络的调节，从而实现APFC输出电压在一定范围内的自适应控制。
The self-adaptable control of output voltage could be realized under certain range by adding a APFC in ultrasonic generator and adjusting voltage feedback network with digital potentiometers.
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