Difference between revisions of "Dictionary:Spectral decomposition"

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{{lowercase}}{{#category_index:S|spectral decomposition}}
 
{{lowercase}}{{#category_index:S|spectral decomposition}}
 
Computation of the time-frequency response over a short window of data and displaying the spectra as frequency 'slices'. Commonly applied in [[Dictionary:seismic interpretation|seismic interpretation]], [[Dictionary:seismic geomorphology|seismic geomorphology]] and [[Dictionary:quantitative seismic interpretation|quantitative seismic interpretation]].
 
Computation of the time-frequency response over a short window of data and displaying the spectra as frequency 'slices'. Commonly applied in [[Dictionary:seismic interpretation|seismic interpretation]], [[Dictionary:seismic geomorphology|seismic geomorphology]] and [[Dictionary:quantitative seismic interpretation|quantitative seismic interpretation]].
 
A variety of time-frequency decomposition methods can be used for the computation, for example:
 
* Short-time [[Dictionary:Fourier transform|Fourier transform]]<ref>Partyka, G, J Gridley, and J Lopez (1999). Interpretational applications of spectral decomposition in reservoir characterization. ''The Leading Edge'' 18 (3), 353–360.</ref>
 
* [[Dictionary:S transform|''S'' transform]] or Stockwell transform
 
* Various wavelet transforms, like the [[Dictionary:discrete wavelet transform|discrete wavelet transform]]
 
* [[Dictionary:Matching pursuit|Matching pursuit]] and other dictionary-based transforms
 
 
==References==
 
<references />
 

Revision as of 07:34, 15 March 2012

Computation of the time-frequency response over a short window of data and displaying the spectra as frequency 'slices'. Commonly applied in seismic interpretation, seismic geomorphology and quantitative seismic interpretation.