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Type: Artigo de periódico
Title: GPR velocity determination by image-wave remigration
Author: Novais, A
Costa, J
Schleicher, J
Abstract: We have studied in detail the theoretical and numerical properties of a finite-difference algorithm for image-wave time-remigration. For a number of synthetic models, numerical experiments have been performed. For these examples, we obtained perfect agreement between the theoretical predictions and numerical results. The examples also prove the computational efficiency of the algorithm. An application to ground-penetrating-radar (GPR) data demonstrates that image-wave remigration can be used to estimate models with laterally varying velocities. The quality of the latter is confirmed by a final zero-offset time migration. (C) 2008 Elsevier B.V. All rights reserved.
Subject: GPR imaging
velocity continuation
velocity analysis
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Applied Geophysics. Elsevier Science Bv, v. 65, n. 2, n. 65, n. 72, 2008.
Rights: fechado
Identifier DOI: 10.1016/j.jappgeo.2008.05.001
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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