How to find the convolution of two signals using fourier transform?

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Aashay Naik
Aashay Naik 2013-11-9
回答： Wayne King 2013-11-9
f1=e^-3t
f2=e^-2t

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Wayne King
Wayne King 2013-11-9
If you just want to know how to convolve two vectors in MATLAB using the DFT
x = randn(8,1);
y = randn(8,1);
npad = length(x)+length(y)-1;
xConvy = ifft(fft(x,npad).*fft(y,npad));
Compare with:
conv(x,y)

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