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Title: Inverse-ray imaging of 2D layered structures from seismic reflection data
Authors: Tan K. Wang;S. C. Tan
Contributors: 國立臺灣海洋大學:應用地球科學研究所
Date: 2003-05
Issue Date: 2018-03-16T08:18:29Z
Publisher: Chinese J. Mechanics
Abstract: Abstract:Shooting angle of an inverse ray for imaging 2D multi-layered structures from reflected travel-times is derived in a closed form. By considering the normal incidence of two neighboring rays reflected at interfaces when sources are at the same locations as receivers, the traveling distance and direction of two inverse-rays are determined successively from the lowermost layer to the uppermost layer. This approach is similar to and also confirmed with the Huygens' principle that the equal travel-time along a wave front (perpendicular to the rays) is conserved. The closed-form solution of the inverse rays is further applied to image a complex structure of a ramp-flat fault with eleven layers. The results demonstrate that the inverse-ray imaging from travel-time picks of all layers is superior to that picked by a layer-stripping approach.
Relation: 19(1) pp.191-196
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45410
Appears in Collections:[應用地球科學研究所] 期刊論文

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