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My questions is to do with addition of noise to a predefined signal.
Assume I have predefined a time_varying signal in array A. Now I like to add noise to this signal, I know that my noise follows a poisson process or is poisson in nature, I also know that my noise has a rms value of X.
I just like to know how I can generate and noise this type of noise.
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What are the values of your signal? Do you know that with values of more than about 10, Poisson noise is well approximated by Gaussian noise? See Wikipedia. So you might be able to use Gaussian noise. If you think that it has the shape of Poisson noise, but the values are a lot more than 10, then you could use log-normal noise.