comp.lang.idl-pvwave archive - RDF feed
type: channel
description: Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
items: Wavelet transform in IDL?
items: Re: Wavelet transform in IDL?

Wavelet transform in IDL?
type: item
description: Dear All, Can anyone provide me the information whether we can perform multi-resolution analysis in IDL, especially, obtain the coefficients of the maximal overlap discrete wavelet transform (MODWT) of a time-series data? Thanks in advance, Madhavan
creator: atmospheric physics
date: 2015-01-13T22:47:44-00:00

Re: Wavelet transform in IDL?
type: item
description: On Tuesday, 13 January 2015 23:47:46 UTC+1, Madhavan Bomidi wrote: > Dear All, > > Can anyone provide me the information whether we can perform multi-resolution analysis in IDL, especially, obtain the coefficients of the maximal overlap discrete wavelet transform (MODWT) of a time-series data? > > Thanks in advance, > Madhavan MODWT is in principle just a subsampled CWT. http://www.exelisvis.com/docs/WV_CWT.html This function should be equivalent to a MODWT if you set DSCALE=1.0 (Default is 0.25, yielding 4 samples per octave in the scale dimension). -- Yngvar
creator: Yngvar Larsen
date: 2015-01-14T09:12:00-00:00