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.
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。
2
It represents input waveforms as RF carriers with modulation envelopes that are described in the time domain.
它把输入波形表示为带有调制包络的RF载波，而该载波在时域中描述。
3
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.