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difference in authors solution and matlab solution
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This is question of book of signal Processing first by Yoder and Schafer
The author has drawn spectrum which is different than spectrum of matlab. why there is difference. Is author solution wrong
the author solution is here
and matlab code for spectrum is here
Fs = 2000;
t = 0:1/Fs:1-(1/Fs);
x = cos(80*pi*t-pi/3).*(cos(1200*pi*t+pi/4));
xdft = (1/length(x))*fft(x);
freq = -1000:(Fs/length(x)):1000-(Fs/length(x));
plot(freq,abs(fftshift(xdft)));
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