28 lines
984 B
Matlab
28 lines
984 B
Matlab
function Hd = chebyshev_IIR2
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%CHEBYSHEV_IIR 返回离散时间滤波器对象。
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% MATLAB Code
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% Generated by MATLAB(R) 9.10 and Signal Processing Toolbox 8.6.
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% Generated on: 06-May-2022 09:49:00
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% Chebyshev Type I Bandpass filter designed using FDESIGN.BANDPASS.
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% All frequency values are in Hz.
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Fs = 20; % Sampling Frequency
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Fstop1 = 0.7; % First Stopband Frequency
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Fpass1 = 0.8; % First Passband Frequency
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Fpass2 = 1.9; % Second Passband Frequency
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Fstop2 = 2; % Second Stopband Frequency
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Astop1 = 40; % First Stopband Attenuation (dB)
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Apass = 3; % Passband Ripple (dB)
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Astop2 = 40; % Second Stopband Attenuation (dB)
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match = 'passband'; % Band to match exactly
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% Construct an FDESIGN object and call its CHEBY1 method.
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h = fdesign.bandpass(Fstop1, Fpass1, Fpass2, Fstop2, Astop1, Apass, ...
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Astop2, Fs);
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Hd = design(h, 'cheby1', 'MatchExactly', match);
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% [EOF]
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