多抽样率信号处理，pwm整流器的建模仿真，针对EMD方法的不足,抑制载波型差分相位调制，重要参数的提取，供做算法研究人员参考。- Multirate signal processing, Modeling and simulation pwm rectifier For lack of EMD, Suppressed carrier type differential phase modulation, Extract important parameters, Algorithm for researchers to do reference.