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  系统辨识经典辨识方法，其中包括levy法，差分法，Hankel矩阵法；系统辨识的最小二乘方法，其中包括最小二乘一次算法，最小二乘递推算法(System identification classical identification methods, including the levy method, differential method, Hankel matrix system identification of the least squares method, including a least squares algorithm, recursive least squares algorithm)