有PMUSIC 校正前和校正后的比较，包含位置式PID算法、积分分离式PID，利用matlab GUI实现的串口编程例子，匹配追踪和正交匹配追踪，独立成分分析算法降低原始数据噪声，pwm整流器的建模仿真。- A relatively before correction and after correction PMUSIC, It contains positional PID algorithm, integral separate PID, Use serial programming examples matlab GUI implementation, Matching Pursuit and orthogonal matching pursuit, Independent component analysis algorithm reduces the raw data noise, Modeling and simulation pwm rectifie.