LINEARIZATION OF THE EIKONAL EQUATION

被引:17
作者
ALDRIDGE, DF
机构
[1] Chevron Petroleum Technology Co, La Habra, CA
关键词
D O I
10.1190/1.1443552
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
Seismic traveltime tomography is a nonlinear inverse problem wherein an unknown slowness model is inferred from the observed arrival times of seismic waves. The tomographic inverse problem can be solved after linearizing the traveltime expression about a known slowness model. The required relation can be rigorously derived via ray-perturbation theory. The paper presents a straightforward derivation of the same result by linearizing the eikonal equation for traveltimes.
引用
收藏
页码:1631 / 1632
页数:2
相关论文
共 3 条
[1]  
Nolet G., 1987, SEISMIC TOMOGRAPHY, P1, DOI [10.1007/978-94-009-3899-1, DOI 10.1007/978-94-009-3899-1, DOI 10.1007/978-94-009-3899-1_1]
[2]   RAY PERTURBATION-THEORY FOR TRAVEL-TIMES AND RAY PATHS IN 3-D HETEROGENEOUS MEDIA [J].
SNIEDER, R ;
SAMBRIDGE, M .
GEOPHYSICAL JOURNAL INTERNATIONAL, 1992, 109 (02) :294-322
[3]   APPROXIMATE TRAVELTIMES IN LATERALLY INHOMOGENEOUS-MEDIA [J].
WENZEL, F .
GEOPHYSICS, 1988, 53 (01) :129-130