Reconstruction of three-dimensional objects in layered media: Numerical experiments

被引:51
作者
Song, LP [1 ]
Liu, QH [1 ]
Li, FH [1 ]
Zhang, ZQ [1 ]
机构
[1] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
基金
美国国家科学基金会;
关键词
buried objects; contrast-source inversion; inverse scattering; layered media; stabilized biconjugate-gradient fast Fourier transform (BCGS-FET) algorithm;
D O I
10.1109/TAP.2004.842585
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We have developed a fully three-dimensional electromagnetic inverse scattering technique in a multilayered medium via the contrast source inversion. The key issues on the three-dimensional (3-D) forward and adjoint operations related to the dyadic Green's operators are briefly addressed to ensure the efficient performance of the algorithm in layered media. It is shown that it is feasible to achieve good reconstruction quality with only a few sources and a two-dimensional receiver array, provided that the signal-to-noise ratio is adequate. The effects of the interface and of the uncertainty in the background layered medium are illustrated in the simulation. The developed 3-D electromagnetic inverse scattering technique can be effectively applied to surface ground penetrating radar survey in multilayered media.
引用
收藏
页码:1556 / 1561
页数:6
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