中文说明：包含位置式PID算法、积分分离式PID，粒子图像分割及匹配均为自行编制的子例程，pwm整流器的建模仿真，matlab小波分析程序，计算加权加速度,微分方程组数值解方法。
English Description：
Contains position type PID algorithm, integral separation PID algorithm, particle image segmentation and matching are compiled by the subroutine, the modeling and Simulation of PWM rectifier, matlab wavelet analysis program, calculate the weighted acceleration, differential equations of the numerical solution method.