A direct imaging method for half-space inverse elastic scattering problems
Chen,Zhiming1,2; Zhou,Shiqi1,2
Source PublicationInverse Problems
AbstractAbstract We propose a direct imaging method based on reverse-time migration in order to reconstruct extended obstacles in the half space with finite aperture elastic scattering data at a fixed frequency. We demonstrate the resolution of the reconstruction method in terms of the aperture and the depth of the obstacle embedded in the half space. The resolution analysis is studied via the point spread function and implies that the imaginary part of the cross-correlation imaging function always peaks on the upper boundary of the obstacle. Numerical examples are included to illustrate the effectiveness of the method.
Keywordreverse-time migration elastic wave direct imaging method
WOS IDIOP:0266-5611-35-7-ab08ab
PublisherIOP Publishing
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Document Type期刊论文
Affiliation1.LSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
2.School of Mathematical Science, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
Recommended Citation
GB/T 7714
Chen,Zhiming,Zhou,Shiqi. A direct imaging method for half-space inverse elastic scattering problems[J]. Inverse Problems,2019,35(7).
APA Chen,Zhiming,&Zhou,Shiqi.(2019).A direct imaging method for half-space inverse elastic scattering problems.Inverse Problems,35(7).
MLA Chen,Zhiming,et al."A direct imaging method for half-space inverse elastic scattering problems".Inverse Problems 35.7(2019).
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