Added gwpy.signal.window module to help with FFT routines
This PR adds a new module gwpy.signal.window
which provides two simple routines
-
canonical_name
: translates arbitrary window name into one understood by scipy (e.g.ksr
->kaiser
) -
recommended_overlap
: uses Heinzel, Rüdiger, & Schilling [2002] to return the recommended overlap for a given FFTlength and window combination
The recommended_overlap
method is now used to set the default overlap for all TimeSeries
FFT routines, unless specified by the user.
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