On Sunday, February 17, 2013 2:41:06 AM UTC-8, Bai wrote: > Hi, > > > > I cant get the psd (a flat response) for the awgn that I have generated. My codes are as follows. I need some help. Thanks, >
Discrete(sampled) awgn has a flat expectation value (average over an infinite number of independent instances) and when unaveraged, has a variance equal to the expectation value. The variance can be reduced by averaging to obtain a better measure of the flatness.