Matlab的窗函数-矩形窗-三角窗-汉明窗-汉宁窗-布莱克曼窗(共8页)

%N =51%求矩形窗的频率响应图wn = rectwin(51) ; %矩形窗函数%20*log10(abs(WN))[h1,w] = freqz(wn,1);figure(1);plot(w/