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How to increase the bandwidth using fdesign from [20, 20000] to[20,50000] ?

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David Santos
David Santos 2012-11-6
关闭： MATLAB Answer Bot 2021-8-20
Hi,
i'm designing my 1/3 octave filters using fdesign in the way that is in the help section of the function:
f.BandsPerOctave = 3;
f.FilterOrder = 8;
Fs=52734;
F0 = validfrequencies(f);
Nfc = length(F0);
for i=1:Nfc,
f.F0 = F0(i);
Hd3(i) = design(f,'butter');
end
The problem is that the fdesign functiondoes only work from [20,20000] Hz and i want to work from [20,50000] does anyone have a clue about how to do this? All the best!

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