短語詞組短語pulse e width modulation 脈沖間掉制pulse interval width modulation 脈沖間隔寬度調(diào)制sinusoidal pulse -width modulation 正弦波脈寬調(diào)制digital Pulse -Width Modulation 數(shù)字式脈寬調(diào)制differential pulse -width modulation 差動脈寬調(diào)制Pulse -width modulation technique 脈快調(diào)制技術(shù)pulse -width modulation amplifier 脈寬調(diào)制放大器PWM Pulse -width modulation 脈寬調(diào)制 返回 pulse width modulation