中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
A generalized optimal 9-point scheme for frequency-domain scalar wave equation

文献类型:期刊论文

作者Chen, Jing-Bo
刊名JOURNAL OF APPLIED GEOPHYSICS
出版日期2013-05-01
卷号92页码:1-7
关键词Seismic Numerical Modeling Directional Derivative Different Directional Intervals Marmousi Model
ISSN号0926-9851
DOI10.1016/j.jappgeo.2013.02.008
英文摘要The rotated optimal 9-point scheme for frequency-domain scalar wave equation is widely used in frequency-domain full waveform inversion. This scheme requires equal directional sampling intervals, which limits its applicability. Recently, an average-derivative method was proposed to overcome this restriction. However, the average-derivative method is an algebraic approach, and therefore it does not inherit the geometrical property (coordinate transformations) of the rotated optimal 9-point scheme. In this paper, a geometrical approach is developed, and a generalized optimal 9-point scheme is constructed. This new scheme is based on a directional-derivative method, and includes the rotated optimal 9-point scheme as a special case. Like the average-derivative method, the number of grid points per wavelength is reduced from approximately 13 to approximately 4 by this new 9-point optimal scheme for both equal and unequal directional sampling intervals in comparison with the classical 5-point scheme. Unlike the average-derivative method, this generalized optimal 9-point scheme shares the geometrical property of the rotated optimal 9-point scheme. (c) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000318210000001
出版者ELSEVIER SCIENCE BV
源URL[http://ir.iggcas.ac.cn/handle/132A11/62616]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Chen, Jing-Bo
作者单位Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Chen, Jing-Bo. A generalized optimal 9-point scheme for frequency-domain scalar wave equation[J]. JOURNAL OF APPLIED GEOPHYSICS,2013,92:1-7.
APA Chen, Jing-Bo.(2013).A generalized optimal 9-point scheme for frequency-domain scalar wave equation.JOURNAL OF APPLIED GEOPHYSICS,92,1-7.
MLA Chen, Jing-Bo."A generalized optimal 9-point scheme for frequency-domain scalar wave equation".JOURNAL OF APPLIED GEOPHYSICS 92(2013):1-7.

入库方式: OAI收割

来源:地质与地球物理研究所

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