利用lms算法，实现FIR滤波器对噪声的滤波。参数有滤波器抽头数、步长延迟间隔、 采样点数、采样间隔。输出无噪声、干扰、提取的信号波形-Use of the the lms algorithm to achieve the FIR filter for noise filtering. Parameters the number of filter taps, the delay interval of step, sampling points, sampling interval. Signal waveform output without noise, interference, extracted