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# ex7_11 - q = 10 N = 21 omo = 9.5*pi/21 n = 0:N-1 x=...

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% Example 7.11 q=10; N = 2*q+1; omo=10*pi/21; n=0:N-1; x=cos(omo*n); Xk=dft(x); k=0:N-1; clf subplot(311),stem(k,abs(Xk)) title('Example 7.11, q = 10, N = 21, Omega = 10pi/21') ylabel('|Xk|') xlabel('k') text(6,10.5,'10.5') text(17,10.5,'10.5') % % redo with a different N and Omega
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Unformatted text preview: q = 10; N = 21; omo = 9.5*pi/21; n = 0:N-1; x= cos(omo*n); Xk=dft(x); k=n; subplot(313),stem(k,abs(Xk)); title('Example 7.11, q = 10, N = 21, Omega = 9.5pi/21') ylabel('|Xk|') xlabel('k') text(6,9.5,'9.81') text(17,9.5,'9.81') subplot(111)...
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