How use filter from filter designer

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RichardB
RichardB 2020-8-13
编辑： Vincent St-Pierre 2022-11-21
Dumb question here.
I created a bandpass filter in Filter Designer by generating the matlab code and stored the filter.
Now, how do I actually use it to process my signal. Below is the code generated.
Thanks
% All frequency values are in Hz.
Fs = 5000; % Sampling Frequency
Fstop1 = 2; % First Stopband Frequency
Fpass1 = 5; % First Passband Frequency
Fpass2 = 1000; % Second Passband Frequency
Fstop2 = 1200; % Second Stopband Frequency
Astop1 = 30; % First Stopband Attenuation (dB)
Apass = 1; % Passband Ripple (dB)
Astop2 = 30; % Second Stopband Attenuation (dB)
match = 'passband'; % Band to match exactly
% Construct an FDESIGN object and call its BUTTER method.
h = fdesign.bandpass(Fstop1, Fpass1, Fpass2, Fstop2, Astop1, Apass, ...
Astop2, Fs);
Hd = design(h, 'butter', 'MatchExactly', match);

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采纳的回答

Antonio Ciociola
Antonio Ciociola 2020-8-14
y = filter(Hd,x);
x is the signal that you want to filter.
  1 个评论
Vincent St-Pierre
Vincent St-Pierre 2022-11-21
编辑：Vincent St-Pierre 2022-11-21
I tried this but get an error :
>> sdemod2 = filter(Hd,sdemod);
Error using filter
Not enough input arguments.

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