Re: Power Spectrum 2D field
- To: mathgroup at smc.vnet.net
- Subject: [mg78338] Re: Power Spectrum 2D field
- From: dh <dh at metrohm.ch>
- Date: Thu, 28 Jun 2007 06:27:53 -0400 (EDT)
- References: <firstname.lastname@example.org>
please describe your problem more accurately.
A 2 dim (vector) field over what manifold? What the power of your
vector, magnitude squared?
matteo.convertino at unipd.it wrote:
> Is there someone who can help me to calculate and plot the power spectrum
> of a 2D field?
> I have already calculated the power spectral density (it's a 3D function)
> of the matrix through the FFt of the same matrix, you can use various
> techniques, for example using the periodogram, but now i need the power
> spectrum of the field so...? How can i do?
> (PS: for example in turbulence you give a 3D field and you can compute the
> power spectra, how? Therefore I am in the 2D input case)
> Is there someone who have already done any Mathematica routine?
> Thank you very much,
> Matteo Convertino
> PhD student, advisors: Prof. Andrea Rinaldo and Prof. Amos Maritan
> IMAGE Dept. and International Center for Hydrology "Dino Tonini"
> Via Loredan 20, I-35131 Padova
> Graduate School in Civil and Environmental Engineering Sciences
> University of Padova, Italy
> Office phone: +39 049 8275445
> Fax: +39 049 8275446
> Personal phone: +39 349 1750320
> E-mail: convertino at idra.unipd.it and matteo.convertino at unipd.it
> Skype ID: matteo_convertino
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