Remigration of ground-penetrating radar data

Detalhes bibliográficos
Autor(a) principal: Jaya, Makky S.
Data de Publicação: 1999
Outros Autores: Botelho, Marco Antonio Barsottelli, Hubral, Peter, Liebhardt, Gerd
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/8014
Resumo: Texto completo: acesso restrito. p.19–30
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spelling Jaya, Makky S.Botelho, Marco Antonio BarsottelliHubral, PeterLiebhardt, GerdJaya, Makky S.Botelho, Marco Antonio BarsottelliHubral, PeterLiebhardt, Gerd2013-01-22T11:47:30Z19990926-9851http://www.repositorio.ufba.br/ri/handle/ri/8014v. 41, n. 1Texto completo: acesso restrito. p.19–30Optimal electromagnetic wave propagation velocities and subsurface images for ground-penetrating radar (GPR) data can be specified by using an imaging scanning method. In addition to time-migrating the unmigrated GPR section, we remigrate the already time-migrated section by a one-step remigration operator using different velocities. This creates many time-migrated images for different constant migration velocities. In this way, the computation time for time-migration is very much reduced. Time-migrated reflector images `propagate' when the constant migration velocity is continuously changed. For this `propagation' there exists a wave-equation-type partial differential equation. Each time-migrated section can thus be viewed as a snapshot for a certain migration velocity. The time-migrated reflector images behave like `waves', called image waves. This is applied to real GPR data acquired over a concrete body within which a steel cable frame is buried. The method produces a quick velocity scan to find a reliable migration velocity leading to the best time-migrated image.Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2013-01-22T11:47:30Z No. of bitstreams: 1 Jaya.pdf: 6699327 bytes, checksum: 8bcb680078e47f39155b35ca6357b925 (MD5)Made available in DSpace on 2013-01-22T11:47:30Z (GMT). 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dc.title.pt_BR.fl_str_mv Remigration of ground-penetrating radar data
dc.title.alternative.pt_BR.fl_str_mv Journal of Applied Geophysics
title Remigration of ground-penetrating radar data
spellingShingle Remigration of ground-penetrating radar data
Jaya, Makky S.
GPR
Migration
Exploding reflector
Velocity scan
title_short Remigration of ground-penetrating radar data
title_full Remigration of ground-penetrating radar data
title_fullStr Remigration of ground-penetrating radar data
title_full_unstemmed Remigration of ground-penetrating radar data
title_sort Remigration of ground-penetrating radar data
author Jaya, Makky S.
author_facet Jaya, Makky S.
Botelho, Marco Antonio Barsottelli
Hubral, Peter
Liebhardt, Gerd
author_role author
author2 Botelho, Marco Antonio Barsottelli
Hubral, Peter
Liebhardt, Gerd
author2_role author
author
author
dc.contributor.author.fl_str_mv Jaya, Makky S.
Botelho, Marco Antonio Barsottelli
Hubral, Peter
Liebhardt, Gerd
Jaya, Makky S.
Botelho, Marco Antonio Barsottelli
Hubral, Peter
Liebhardt, Gerd
dc.subject.por.fl_str_mv GPR
Migration
Exploding reflector
Velocity scan
topic GPR
Migration
Exploding reflector
Velocity scan
description Texto completo: acesso restrito. p.19–30
publishDate 1999
dc.date.issued.fl_str_mv 1999
dc.date.accessioned.fl_str_mv 2013-01-22T11:47:30Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/8014
dc.identifier.issn.none.fl_str_mv 0926-9851
dc.identifier.number.pt_BR.fl_str_mv v. 41, n. 1
identifier_str_mv 0926-9851
v. 41, n. 1
url http://www.repositorio.ufba.br/ri/handle/ri/8014
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/S0926-9851(98)00035-4
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
instacron:UFBA
instname_str Universidade Federal da Bahia (UFBA)
instacron_str UFBA
institution UFBA
reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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