36 lines
1.0 KiB
Matlab
36 lines
1.0 KiB
Matlab
function Hd = bandstop2500
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%BANDSTOP2500 Returns a discrete-time filter object.
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% MATLAB Code
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% Generated by MATLAB(R) 9.9 and Signal Processing Toolbox 8.5.
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% Generated on: 24-Mar-2021 17:32:55
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% Elliptic Bandstop filter designed using FDESIGN.BANDSTOP.
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% All frequency values are in Hz.
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Fs = 8192; % Sampling Frequency
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Fpass1 = 2000; % First Passband Frequency
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Fstop1 = 2300; % First Stopband Frequency
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Fstop2 = 2700; % Second Stopband Frequency
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Fpass2 = 3000; % Second Passband Frequency
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Apass1 = 0.5; % First Passband Ripple (dB)
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Astop = 60; % Stopband Attenuation (dB)
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Apass2 = 1; % Second Passband Ripple (dB)
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match = 'both'; % Band to match exactly
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% Construct an FDESIGN object and call its ELLIP method.
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h = fdesign.bandstop(Fpass1, Fstop1, Fstop2, Fpass2, Apass1, Astop, ...
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Apass2, Fs);
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Hd = design(h, 'ellip', 'MatchExactly', match);
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% Get the transfer function values.
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[b, a] = tf(Hd);
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% Convert to a singleton filter.
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Hd = dfilt.df2(b, a);
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% [EOF]
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