Seismic wave field separation and denoising in linear domain via singular value decomposition(SVD)
Due to the differences of propagation characteristicsapparent velocity and coherence in seismic signalsbased on apparent velocitiesthe authors aligned target signals into those of best horizontal coherence by linear transform methods(such as NMOlinear moveout correctionetc.).By means
of singular value decomposition(SVD)reconstructed signals by extracting the singular values of target signals.Then through inverse linear transformingaccomplished seismic wave field separation as well as noise attenuation afterwards.
Keywords: linear transform; seismic data processing; seismic wave field separation and denoising; singular value decomposition(SVD)
Document Type: Research Article
Publication date: 15 April 2012
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