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add White Gaussian Noise

Started by carriew121 October 8, 2004


Hi,I have got 4 digital signals (BPSK modulation) and each of them
have 10 symbols.I need to add white Gaussian Noise.but I don't know
how to do it using function "awgn" or "wgn"? how can I write the
Matlab code for that? cheers....