可变脉宽调制编码方式 Variable Pulse Width Modulation ; VPW
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
此外，可变速驱动器的操作与不同系统部件的脉宽调制控制相结合。
Further, the operation of the variable speed drive is combined with a pulse width modulation control of different system components.
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