中文版 | English
题名

A time domain sampling method for inverse acoustic scattering problems

作者
通讯作者Li, Jingzhi
发表日期
2016-06
DOI
发表期刊
ISSN
0021-9991
EISSN
1090-2716
卷号314页码:647-660
摘要

This work concerns the inverse scattering problems of imaging unknown/inaccessible scatterers by transient acoustic near-field measurements. Based on the analysis of the migration method, we propose efficient and effective sampling schemes for imaging small and extended scatterers from knowledge of time-dependent scattered data due to incident impulsive point sources. Though the inverse scattering problems are known to be nonlinear and ill-posed, the proposed imaging algorithms are totally "direct" involving only integral calculations on the measurement surface. Theoretical justifications are presented and numerical experiments are conducted to demonstrate the effectiveness and robustness of our methods. In particular, the proposed static imaging functionals enhance the performance of the total focusing method (TFM) and the dynamic imaging functionals show analogous behavior to the time reversal inversion but without solving time-dependent wave equations. (C) 2016 Elsevier Inc. All rights reserved.

关键词
相关链接[来源记录]
收录类别
SCI ; EI
语种
英语
学校署名
通讯
资助项目
NSF of China[11201453] ; NSF of China[11571161]
WOS研究方向
Computer Science ; Physics
WOS类目
Computer Science, Interdisciplinary Applications ; Physics, Mathematical
WOS记录号
WOS:000374122100033
出版者
ESI学科分类
PHYSICS
来源库
Web of Science
引用统计
被引频次[WOS]:22
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/29613
专题理学院_数学系
工学院_材料科学与工程系
作者单位
1.Harbin Inst Technol, Dept Math, Harbin 150006, Peoples R China
2.Karl Weierstrass Inst Math, Mohrenstr 39, Berlin, Germany
3.Southern Univ Sci & Technol, Dept Math, Shenzhen, Peoples R China
4.Hong Kong Baptist Univ, Dept Math, Kowloon, Hong Kong, Peoples R China
通讯作者单位数学系
推荐引用方式
GB/T 7714
Guo, Yukun,Hoemberg, Dietmar,Hu, Guanghui,et al. A time domain sampling method for inverse acoustic scattering problems[J]. JOURNAL OF COMPUTATIONAL PHYSICS,2016,314:647-660.
APA
Guo, Yukun,Hoemberg, Dietmar,Hu, Guanghui,Li, Jingzhi,&Liu, Hongyu.(2016).A time domain sampling method for inverse acoustic scattering problems.JOURNAL OF COMPUTATIONAL PHYSICS,314,647-660.
MLA
Guo, Yukun,et al."A time domain sampling method for inverse acoustic scattering problems".JOURNAL OF COMPUTATIONAL PHYSICS 314(2016):647-660.
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