i dont know why the second figure is empty
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fs=20;
Ts=1/fs;
N=1024
Tmax=(N-1)*Ts;
t=-10:Ts:10;
ut=exp(-(t/10).^2);
plot(t,ut.^2)
f=-5:fs:5;
z=fftshift(fft(ut));
plot(f,abs(z))
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Answers (1)
Azzi Abdelmalek
on 30 Nov 2013
Edited: Azzi Abdelmalek
on 30 Nov 2013
Figure 1 was erased by figure 2
fs=20;
Ts=1/fs;
N=1024
Tmax=(N-1)*Ts;
t=-10:Ts:10;
ut=exp(-(t/10).^2);
%-----figure 1--------------
plot(t,ut.^2)
% -----figure 2------------
figure
z=fftshift(fft(ut));
plot(abs(z))
Check this
f=-5:fs:5
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