Analytic complex gaussian noise.
NOISE=noisecg(N) NOISE=noisecg(N,A1) NOISE=noisecg(N,A1,A2)
NOISE=noisecg(N,A1,A2) computes an analytic complex gaussian noise of length N with mean 0.0 and variance 1.0.
NOISE=noisecg(N) yields a complex white gaussian noise.
NOISE=noisecg(N,A1) yields a complex colored gaussian noise obtained by filtering a white gaussian noise through a sqrt(1-A1^2)/(1-A1*z^(-1)) first order filter.
NOISE=noisecg(N,A1,A2) yields a complex colored gaussian noise obtained by filtering a white gaussian noise through a sqrt(1-A1^2-A2^2)/(1-A1*z^(-1)-A2*z^(-2)) second order filter.