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PWM是英文Pulse Width Modulation(脉冲宽度调制)缩写, 按一定规律改变脉冲列的脉冲宽度,以调节输出量和波形的一种调值方式。PAM是英文Pulse Amplitude Modulation(脉冲幅度调
PWM is the English abbreviation of Pulse Width Modulation (Pulse Width Modulation), according to a certain law to change the pulse width of the pulse train to adjust the output and waveform of a value adjustment. PAM is English Pulse Amplitude Modulation (pulse amplitude modulation