DSP Filter design using fdesign
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Let's say, I need to design a second order filter with a Fractional delay of 26.17 µs.
I could use the command
d = fdesign.fracdelay(26.17e-06,2);
That works fine.
Now, i also need the same second order filter to be a bandpass filter, which lets through frequencies from 200 Hz to 7000 Hz.
for which i could use
d = fdesign.bandpass('N,F3dB1,F3dB2,BWp', ...
2,1/32,7/8,7000);
is there a way to combine these two designs to get my final filter ?
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Andersson Zurita Romero
il 21 Giu 2020
A_stop1 = 60; % Attenuation in the first stopband = 60 dB F_stop1 = 8400; % Edge of the stopband = 8400 Hz F_pass1 = 10800; % Edge of the passband = 10800 Hz F_pass2 = 15600; % Closing edge of the passband = 15600 Hz F_stop2 = 18000; % Edge of the second stopband = 18000 Hz A_stop2 = 60; % Attenuation in the second stopband = 60 dB A_pass = 1;
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