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[Moved]: How can i add random noise in an EEG signal?

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Aparna24

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I have generated a code and implemented the EEG signal. Now i need to add random noise to it.The code i use is:

fs = 512
T = 1/fs;
N =length(EEGsig); ls = size(EEGsig);
tx =[0:length(EEGsig)-1]/fs;
fx = fs*(0:N/2-1)/N;
figure; subplot (211), plot(tx,EEGsig); xlabel('Time (s)'), ylabel('Amplitude (uV)'), title('Original EEG signal');
subplot(212), plot(tx,EEGsig);
 

Not sure what your question is. The rand() function will generate random numbers that can be added to your signal. You may have to scale it.
 

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