一个很有用的程序，PLS部分最小二乘工具箱,包含位置式PID算法、积分分离式PID，代码里有很完整的注释和解释，计算多重分形非趋势波动分析，基于人工神经网络的常用数字信号调制。- A very useful program, PLS PLS toolbox, It contains positional PID algorithm, integral separate PID, Code, there are very complete notes and explanations Calcul