简单的最小二乘逼近算法，用于系统辨识，方便修改噪声参数和系统参数，为系统辨识和仿真作业的源代码。-Simple least-squares approximation algorithm for system identification to facilitate the modification of system parameters and noise parameters for the system identification and simulation of the sourc

LMS算法的修改更好地衔接和使用两个步骤尺寸较小的MSE-Modification of the LMS algorithm is better convergence and the use of two steps smaller MSE