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用 户 名:三分糖七分奶
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freqz
- % [db,mag,pha,grd,w] = freqz_m(b,a); % db = Relative magnitude in dB computed over 0 to pi radians % mag = absolute magnitude computed over 0 to pi radians % pha = Phase response in radians over 0 to pi radians % grd = Group delay over 0 to pi