how can i perform matched filtering using fft in matlab to improve the SNR?
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my purpose is to improve the snr by matched filtering.For this i've tried the procedure which includes R = fft(r);
H = conj(fft(s));
h = ifft(H);
Y = R.*H;
y = real(ifft(Y));
still thers is no change in the snr.please help me asap..
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Shivam Kumar Singh
am 18 Jun. 2020
Let's assume that s is your signal in time domain.
There are two ways of creating a matched filter.
1.Do it youself.
b = conj(s(end:-1:1));
y = filter(b,1,x);
2. Use the built-in function from https://www.mathworks.com/help/phased/ug/matched-filtering.html
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