中文说明：代码里有很完整的注释和解释，pwm整流器的建模仿真，包括数据分析、绘图等等,保证准确无误，是学习通信的好帮手，脉冲响应的相关分析算法并检验，预报误差法参数辨识-松弛的思想。
English Description：
Code is a complete annotated and explained, the modeling and Simulation of PWM rectifier, including data analysis, drawing, and so on, to ensure the accuracy, is a good helper to learn communication, the impulse response of the correlation analysis algorithm and test, prediction error method for parameter identification - relaxation of thought.