frequency analysis without numpy

philbru at q.com philbru at q.com
Wed Jan 21 17:52:48 CET 2009


On Jan 20, 3:13 pm, sturlamolden <sturlamol... at yahoo.no> wrote:
> Consider using Thompson's multitaper method, autoregression (maximum
> entropy), or Welch method for your frequency estimates. Blackman-
> Tuckey is also a possibility, but I see no reason to prefer that to
> Welch. Multitaper and AR tends to be the better options though, but
> they are not as fast as Welch' method.
There is a fortran program named rainbow that has some dozen of these
methods to compare with. Rainbow is located at
http://www.digitalCalculus.com/demo/rainbow.html. I recommend Burg's
method or AutoCorrelation but its data dependent for best choice.

Phil



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