Introduced the principles of pulse modulating circuit for measuring power factor.
介绍了一种脉宽调制型功率因数测量电路的工作原理。
This paper introduces the measurement of fish-Finder's pulse modulating frequency with the 8031 single chip computer.
本文介绍采用8031单片微机实现探鱼仪脉冲载波频率的测量。
Now pulsewidth modulating technology is widely used in pulse power needed by electric spark fine machining.
当今脉宽调制技术在电火花微细加工所使用的脉冲电源中得到广泛应用。
The driving system use DC servo system of modulating pulse width.
驱动系统采用脉宽调制直流伺服系统。
The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.
该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
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