English
- % MATLAB script for Illustrative Problem 2.7.
- echo on
- N=256; % number of samples
- deltaf=0.1; % frequency separation
- f=[0:deltaf:(N/2)*deltaf, -(N/2-1)*deltaf:deltaf:-deltaf];
- % Swap the first half.
- Sy=1./(1+(2*pi*f).^2); % sampled spectrum
- Ry=ifft(Sy); % autocorrelation of Y
- % Plotting command follows.
- plot(fftshift(real(Ry)));
