hi,all how i can add to my signal see x additive white gaussian noise with flat power spectral density in matlab
thanks in advance
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There are a lot of functions you can use to do that, depends on what toolbox you have and how you want to specify the nature of the noise:
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thanks for answering but i want add white gaussian noise with "flat power spectral density"
White noise already means that: http://en.wikipedia.org/wiki/White_noise
awgn and wgn will do this for you
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