最新南通大學dsp課程設計實驗及習題答案完整版精-展示頁
2025-07-05 19:11本頁面
【正文】 Ts3。x1=exp(1000*abs(n*Ts1。Ts2=1/5000。w=3*pi::3*pi。xa=exp(1000*abs(t。實驗四dt=。stem(n,abs(X42,39。.39。subplot(2,1,1。stem(n4,abs(X42,39。.39。figure(4subplot(2,1,1。figure(3stem(n3,abs(X3,39。stem(n2,abs(X22,39。.39。figure(2subplot(2,1,1。figure(1stem(n1,abs(X1,39。X41=fft(x41,N4。x41=x4.*y1。y1=u1u2。a9=cos(*pi.*n4。a7=cos(*pi.*n4。u1=(n4=0。X3=fft(x3,N3N4=a6=cos(*pi.*n3。a4=cos(*pi.*n3。X21=fft(x21,N1。x21=a11+a21+a31。a22=cos(*pi.*n2。a31=cos(*pi.*n1。a11=cos(*pi.*n1。(n18。n3=0:N31。n1=0:N11。實驗三N1=64。figure(2plot(w,abs(X2。*w。(n4。*w。x2=x1.*x。*w。w=2*pi::2*pi。(n2。實驗二n=100:100。stem(n,x3,39。.39。subplot(4,1,3。stem(n,x1,39。.39。subplot(4,1,1。u4=(n=4。x2=(u1u2。u1=(n=4。e=(.^n。南通大學DSP課程設計實驗加課后習題程序?qū)嶒炓籲=50:50。u=(n=0。x1=e.*u。u2=(n=5。u3=(n=0。x2=(u3u4。stem(n,u,39。subplot(4,1,2。.39。stem(n,x2,39。subplot(4,1,4。.39。x1=(n=2amp。m=(j*.*pi*n。X1=x1*exp(j*n39。x=eps.^m。X2=x2*exp(j*n39。x3=(n=0amp。X3=x3*exp(j*n39。figure(1plot(w,abs(X1。figure(3plot(w,abs(X3。N2=64；N3=100。n2=0:N21。x1=(n1=0amp。X1=fft(x1,N1。a21=cos(*pi.*n1。a12=cos(*pi.*n2。a32=cos(*pi.*n2。x22=a12+a22+a32。X22=fft(x22,N2。a5=cos(*pi.*n3。x3=a4+a5+a6。n4=0:N41。u2=(n4=N4。a8=cos(*pi.*n4。x4=a7+a8+a9。y2=hamming(N4。x42=x4.*y239。X42=fft(x42,N4。.39。stem(n1,abs(X21,39。subplot(2,1,2。.39
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