[SciPy-dev] Continuous Wavelet Transform for SciPy

Charles R Harris charlesr.harris@gmail....
Wed Mar 4 02:09:55 CST 2009

Hi Sean,

On Mon, Mar 2, 2009 at 8:25 PM, Sean Arms <lesserwhirls@gmail.com> wrote:

> Greetings!
>        My name is Sean Arms and I'm a graduate student at the University of
> Oklahoma in the School of Meteorology.  As part of my PhD research, I'm
> studying coherent structures in atmospheric boundary layer turbulence,
> primarily using in-situ observations and, secondarily, Direct Numerical
> Simulation (DNS) output.  One common approach for detecting coherent
> structures in observational datasets relies on the use of the global wavelet
> power spectrum as estimated from a continuous wavelet transform (CWT).  I
> know SciPy has a DWT impementation, and I've already been in contact with
> Filip.  He recommeded that I post my code in hopes that it would add some
> momentum to the python-cwt development and create some feedback (I'm
> currently looking for a good place to post my code).  I've implemented the
> CWT using pure python (that is, I did not write any C extension code myself
> - nothing to build), along with one mother wavelet (second derivitive of a
> Gaussian, or the Mexican Hat) - I'll be adding more Mother wavelets as I go
> along.  I've made it a point to (try to) design my MotherWavelet class to be
> easily extendable.  I'm working on documentation and a few tests at the
> moment, but so far my code compares well with other wavelet routines.
>      The point of this email is to introduce myself and let the SciPy dev
> community know that I am willing to help develop CWT support for SciPy -
> I'll already be doing the work for my research, so I might as well put in
> the extra effort to make is usable by the larger community!

If you are running on Linux someone here should be able to give you some
pointers on using the git mirror and posting your code for review. There
will be a howto page at some point...

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