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Wavelet Scale Spectra

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Wavelet Scale Spectra

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15 Feb 2012 (Updated )

Compute wavelet scale spectra from segmented discrete wavelet transform (Screenshot).

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Description

WaveletAnalysis() will compute the discrete wavelet transform of a data set and extract a segmentation. For each segment the wavelet scale spectrum and a conventional power spectral density is computed. The output is a cell array summarizing the analysis for each segment. An example and documentation are provided.

Required Products MATLAB
MATLAB release MATLAB 7.13 (R2011b)
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Comments and Ratings (1)
13 Aug 2012 Charles Rino

I note that the highlights list the entire WaveLab850 Library, which was included for user convenience and continuity with supporting software. The WaveletAnalysis script and demo are in a small separate directory.

Updates
05 Mar 2012

Updated to improve display utilities. Check for column vector input added.

09 Aug 2012

WaveletAnalysis has been updated (August 8, 2012) to include classification of two-component power-law spectra. Extended and improved examples are included. More applications and background on my website http://chuckrino.com/wordpress/

27 Nov 2012

Additional improvements to classifier have been added. No changes to wavelet processing.

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