Characterization of a two-dimensional subsurface object with an effective scattering model

被引：27

作者：

Budko, NV ^{[1
]}

van den Berg, PM ^{[1
]}

机构：

[1] Delft Univ Technol, IRCTR, Lab Electromagnet Res, NL-2600 GA Delft, Netherlands

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 1999年 / 37卷 / 05期

关键词：

detection and characterization of subsurface; objects; ground penetrating radar; nonlinear inversion;

D O I：

10.1109/36.789653

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：

The problem of the location and characterization of a two-dimensional (2-D) subsurface object is formulated as the inverse problem for an effective scattering model. An arbitrary finite-sized buried object is described as a subsurface circular cylinder with the radius, permittivity, and position of its center to be determined. The inversion is performed in a nonlinearized way, minimizing the discrepancy between the actual scattered field and that of the effective scattering model. A simple and quick solution for a circular cylinder embedded in a lossy half space is introduced, As far as numerical efficiency is concerned, the obtained approximate algorithm is comparable to the free-space solution, The location algorithm has been tested with the two-dimensional models of plastic antipersonnel land mines.

引用

页码：2585 / 2596

页数：12

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