包括广义互相关函数GCC时延估计，微分方程组数值解方法，添加噪声处理，双向PCS控制仿真，预报误差法参数辨识-松弛的思想，课程设计时编写的matlab程序代码，pwm整流器的建模仿真，在matlab R2009b调试通过。- Including the generalized cross-correlation function GCC time delay estimation, Numerical solution of differential equations method, Add noise processing, Two-way PCS control simulation, Prediction Error Method for Parameter Identification- the idea of relaxation, Course designed to prepare the matlab program code, Modeling and simulation pwm rectifier In matlab R2009b debugging through.