Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/78686
Type: Artigo de periódico
Title: THE ACCURACY OF TRAVEL-TIME PERTURBATIONS FROM ISOTROPIC TO ANISOTROPIC MEDIUM
Author: SIMOESFILHO, ID
Abstract: The accuracy of perturbation methods for traveltime computations in anisotropic media is investigated as a function of the medium deviation from isotropy. The traveltime perturbation equations axe briefly reviewed and a method for the choice of the isotropic background is proposed. The perturbed traveltimes are then compared with results of exact ray tracing for four different anisotropic models with orthorhombic symmetry and increasing anisotropy. The accuracy of the perturbed traveltimes is very good for media with small perturbations and decreases rapidly for perturbations larger than 15%.
Editor: Amer Geophysical Union
Rights: embargo
Identifier DOI: 10.1029/93GL00821
Date Issue: 1993
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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