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Adding Gaussian noise to signal using SNR ratio

Nasser M. Abbasi

June 21 2014 compiled on — Wednesday July 06, 2016 at 08:31 AM
Specify the SNR and see the Gaussian noise added. The larger the SNR, the less the noise. SNR represents the ratio of the variance of the signal to the noise. For a signal, and cosine is used from zero to 2π