dsp課程設(shè)計(jì)word版-資料下載頁
2025-01-16 07:54本頁面
【正文】 w)。hw=fft(hn,512)。w=0:511。w=2*w/512。subplot(2,1,1)plot(w,20*log10(abs(hw)))。xlabel(39。w/pi39。)。ylabel(39。幅度(dB)39。)。subplot(2,1,2)plot(w,angle(hw))xlabel(39。w/pi39。)。ylabel(39。相位(rad)39。)。clear。Wp=3/8。dev1=。Ws=。Rp=20*log10((1+dev1)/(1dev1))。Rs=40。[N,wc]=ellipord(Wp,Ws,Rp,Rs)。[b,a]=ellip(N,Rp,Rs,wc)。[hw,w]=freqz(b,a)。subplot(2,1,1)plot(w/pi,20*log10(abs(hw)))。xlabel(39。w/pi39。)。ylabel(39。幅度(dB)39。)。subplot(2,1,2)plot(w,angle(hw))xlabel(39。w/pi39。)。ylabel(39。相位(rad)39。)。十一B=[1,0,0,0,0,0,3,0,0,0,0,0,3,0,0,0,0,0,1]。A=[1,3,3,1]。freqz(B,A)。
教學(xué)教案相關(guān)推薦
鄂ICP備17016276號(hào)-1