Second-order and higher-order perturbations of travel time in isotropic and anisotropic media

被引：0

作者：

Klimes, L ^{[1
]}

机构：

[1] Charles Univ Prague, Dept Geophys, Prague, Czech Republic

来源：

STUDIA GEOPHYSICA ET GEODAETICA | 2002年 / 46卷 / 02期

关键词：

ray theory; travel time (action function); Hamilton-Jacobi equation; paraxial approximation; perturbation methods; inhomogeneous media; seismic anisotropy;

D O I：

暂无

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：

The partial derivatives of travel time with respect to model parameters are referred to as perturbations. Explicit equations for the second-order and higher-order perturbations of travel time in both isotropic and anisotropic media are derived. The perturbations of travel time and its spatial derivatives can be calculated by simple numerical quadratures along rays.

引用

页码：213 / 248

页数：36

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