白噪声经过AR模型的输出作为LMS滤波器的输入，已知：a1=1.558；a2=-0.81；白噪声方差为1.0，均值为0；u＝0.002；利用Matlab实现：-White noise as the input of the LMS filter after the output of the AR model known: a1 = 1.558 a2 =-0.81 white noise variance of 1.0, an average of 0 u = 0.002 using M

运用 参数估计法AR 法进行功率谱做图 直接输入待做图信号便可-AR method of parameter estimation method power spectrum do plan direct input to be able to make plans signal