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|Type:||Artigo de evento|
|Title:||Velocity Spectrum Analysis In Seismic Prospecting Combining Detection Principles, Beamspace Techniques And Coherent Signal-subspace Processing|
|Abstract:||We revisit the conventional velocity analysis in seismic data processing with the purpose of enhancing the temporal resolution and the sensitivity of the coherency measure in the velocity spectrum. To that end, we exploit the fact that seismic signals are coherent, wideband and tend to be sparse in the time domain. To compose an appropriate methodology, given these data features, we employ some well-established techniques of array signal processing: coherent signal-subspace approach, beamspace processing and detection theory. The proposed methodology was tested for a real 2D offshore data and has shown success for the outlined purposes. © 2012 IEEE.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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