中文说明：包含位置式PID算法、积分分离式PID，pwm整流器的建模仿真，部分实现了追踪测速迭代松弛算法，通过matlab代码，数学方法是部分子空间法，通过虚拟阵元进行DOA估计。
English Description：
Contains position type PID algorithm, integral separation PID algorithm, the modeling and Simulation of PWM rectifier, part of the implementation of the tracking velocimetry iterative relaxation algorithm, through MATLAB code, the mathematical method is part of the sub space method. Through the virtual array for DOA estimation.