As = -round(max(db(ws2/delta_w+1:1:501))) % Min Stopband Attenuation % plots subplot(2,2,1); stem(n,hd); title('Ideal Impulse Response') axis([0 M-1 -0.4 0.5]); xlabel('n'); ylabel('hd(n)') subplot(2,2,2); stem(n,w_bla);title('Blackman Window') ...
The frequency response plot of the filter is shown below, where ωp is the passband ending frequency, ωs is the stopband beginning frequency, As is the amount of attenuation in the stopband. Frequencies b/n ωp and ωs drop in the transition band and are reduced to some lesser degree.T...