MUSIC ALGORITHM FOR LOCATING POINT-LIKE SCATTERERS CONTAINED IN A SAMPLE ON FLAT SUBSTRATE
In this paper, we consider a MUSIC algorithm for locating point-like scatterers contained in a sample on flat substrate. Based on an asymptotic expansion of the scattering amplitude proposed by Ammari et al., the reconstruction problem can be reduced to a calculation of Green function corresponding...
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| Veröffentlicht in: | Acta mathematica scientia 2012-07, Vol.32 (4), p.1647-1661 |
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| container_end_page | 1661 |
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| container_issue | 4 |
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| container_title | Acta mathematica scientia |
| container_volume | 32 |
| creator | 董和平 马富明 张德悦 |
| description | In this paper, we consider a MUSIC algorithm for locating point-like scatterers contained in a sample on flat substrate. Based on an asymptotic expansion of the scattering amplitude proposed by Ammari et al., the reconstruction problem can be reduced to a calculation of Green function corresponding to the background medium. In addition, we use an explicit formulation of Green function in the MUSIC algorithm to simplify the calculation when the cross-section of sample is a half-disc. Numerical experiments are included to demonstrate the feasibility of this method. |
| doi_str_mv | 10.1016/S0252-9602(12)60131-3 |
| format | Article |
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| ispartof | Acta mathematica scientia, 2012-07, Vol.32 (4), p.1647-1661 |
| issn | 0252-9602 1572-9087 |
| language | eng |
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| source | ScienceDirect Freedom Collection (Elsevier); Alma/SFX Local Collection |
| subjects | 78A46 Green function Hemholtz equation multi static response (MSR) matrix MUSIC algorithm MUSIC算法 基板 定位点 平面 散射体 散射振幅 样品 格林函数 |
| title | MUSIC ALGORITHM FOR LOCATING POINT-LIKE SCATTERERS CONTAINED IN A SAMPLE ON FLAT SUBSTRATE |
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