Uniqueness in the inverse scattering problem in a piecewise homogeneous medium
Uniqueness in the inverse scattering problem in a piecewise homogeneous medium
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分段均匀介质中逆散射问题的唯一性
DOI:
10.1088/0266-5611/26/1/015002
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发表时间:
2009
期刊:
影响因子:
2.1
通讯作者:
Zhang, Bo
中科院分区:
文献类型:
--
作者:
Hu, Guanghui;Liu, Xiaodong;Zhang, Bo
The scattering of time-harmonic acoustic plane waves by an impenetrable obstacle in a piecewise homogeneous medium is considered. Having established the well posedness of the direct problem by the variational method, we prove a uniqueness result for the inverse problem, that is, the unique determination of the obstacle and its boundary condition from a knowledge of the far-field pattern for incident plane waves. The proof is based on a generalization of the mixed reciprocity relation.
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DOI:
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发表时间:
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期刊:
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影响因子:
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