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 Calculate the multifractal trend fluctuation analysis, The commonly used digital signal modulation based on artificial neural network.