A novel dual randomized PWM modulator with synchronous varying switching frequency and pulse position delay is proposed to reduce conducted electromagnetic interference (EMI) in power converters.

• 摘要提供了一种新的双随机脉冲调制技术，它能够很好地减小电力电子系统中存在的传导电磁干扰，这个调制技术是通过同时改变开关频率和脉冲的上升沿位置来实现的。