给出一种LMS算法，即最小均方算法，采用一种特殊的梯度估值，它的显著特点是它的简单性，不需要计算相关函数，也不需要矩阵求逆运算。-Gives a LMS algorithm, least mean square algorithm, using a special gradient estimates, and its distinctive feature is its simplicity, need not calculate the correlation function, does not require matrix inversion.