This package contains code to
compute an azimuthally averaged power spectrum and
2) fit the spectrum at constant wave number as a function of frequency (some Model S efrequencies to use as a guess) and return the fit parameters. The fitting function fits asymmetric Lorentzians to each peak and returns the parameters of the Lorentzian for each peak.
The code uses the IDL MPFIT fitting library .
The package is pow_spectra.tar.gz
If you use these programs please contact schunker [at] mps.mpg.de for the appropriate acknowledgements.