Novel diffraction tomographic algorithm for imaging two-dimensional targets buried under a lossy earth

被引：0

作者：

Cui, TJ ^{[1
]}

Chew, WC

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Electromagnet Lab, Urbana, IL 61801 USA

[2] Univ Illinois, Dept Elect & Comp Engn, Ctr Computat Electromagnet, Urbana, IL 61801 USA

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2000年 / 38卷 / 04期

关键词：

detection of buried objects; diffraction tomography; inverse scattering; lossy earth; very early time electromagnetic system;

D O I：

暂无

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

A novel diffraction tomographic algorithm has been proposed to detect two-dimensional (2D) dielectric cylinders buried under a lossy earth, In this algorithm, the air-earth interface has been taken into account and the exact treatment of Sommerfeld-like integrals has been considered. Using the algorithm, all locations, shapes, and dielectric properties of buried cylinders can be accurately reconstructed under the low-contrast condition. For high contrast targets, this algorithm can also be used to determine their locations and approximate their dielectric properties. Due to the use of fast Fourier transforms to implement the problem, this algorithm is very fast and quite tolerant to the error of measurement data. Numerical examples are given to show the validity of the algorithm.

引用

页码：2033 / 2041

页数：9

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