DTFT of unit impulse signal

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Issac Kondreddy
Issac Kondreddy on 22 Nov 2020
Answered: Shubham Rawat on 27 Nov 2020
how to generate dtft of unit impulse signal in matlab?

Answers (1)

Shubham Rawat
Shubham Rawat on 27 Nov 2020
Hi Issac,
You can implement the DTFT using the following code snippet,
function [X] = dtft(x,n,w)
% Computes Discrete-time Fourier Transform
% [X] = dtft(x,n,w)
% X = DTFT values computed at w frequencies
% x = finite duration sequence over n
% n = sample position vector
% w = frequency location vector
X = exp(-1i*w'*n) * x.';
% X = x*exp(-j*n'*w);
end
Hope this Helps!

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