snr.m

去噪工具包

function value=SNR(sig1,sig2)
%  SNR- Signal/Noise ratio
%  Usage
%    value=SNR(sig1,sig2)
%  Inputs   
%    sig1	Original reference signal
%    sig2	Restored or noisy signal
%  Outputs
%    value	Signal/Noise ratio.
%


value=20*log10(norm(sig1)/norm(sig1-sig2));

% Written by Maureen Clerc and Jerome Kalifa, 1997
% [e-mail], [e-mail]
    
    
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% Part of WaveLab Version 802
% Built Sunday, October 3, 1999 8:52:27 AM
% This is Copyrighted Material
% For Copying permissions see COPYING.m
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