此程序是基于MATLAB的采用窗函数设计法设计FIR滤波器，内有多种窗函数，包括海明窗，汉宁窗，布拉克曼窗-This procedure is based on the use of MATLAB window function design FIR filter design with a multi-window function, including the Hamming window, Hanning window, Blackman window, etc.