freqsamp.m

FIR filter design with unseperable window, seperable window, frequency sampling method

[f1,f2] = freqspace(9,'meshgrid');
Hd = ones(9);
r = sqrt(f1.^2 + f2.^2);
Hd(r>0.2) = 0;
h = fsamp2(Hd);
freqz2(h)