阻尼最小二乘法（即Levenberg-Marquarat算法)，是Gauss-Newton算法的一种修正法。-Damped least squares method (that is, Levenberg-Marquarat algorithm), Gauss-Newton algorithm are an Amendment Act.

递推最小二乘法是参数辨识中最常用的方法A 但容易产生参数爆发现象,文推导了一种更稳定的辨识方法用递推阻尼最小二乘进行系统辨识-Recursive least squares method is commonly used in the parameter identification method A but easy to produce A burst of parameter phenomenon, wen A more stable identification method was d