脉宽调制器芯片采用逆向设计方法完成。
Pulse Width Modulation device chip is designed by the reverse design method.
变换器中的电流大小和方向由相移脉宽调制方式控制。
The flow of current is controlled by phase shifted pulse width modulation.
本文讨论了脉宽调制(PWM)逆变式弧焊电源的功率因数。
The power factor of PWM are welding power source has been discussed in this paper.
本文讨论了脉宽调制(PWM)逆变式弧焊电源的功率因数。
The power factor of PWM are welding power source has been discussed in this paper.
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