periodogram for ARMA process given by lag-polynomials ar and ma
Parameters : | ar : array_like
ma : array_like
worN : {None, int}, optional
whole : {0,1}, optional
|
---|---|
Returns : | w : array
sd : array
|
Notes
Normalization ?
This uses signal.freqz, which does not use fft. There is a fft version somewhere.