Influence of Heterogeneous Soils and Clutter on the Performance of Ground-Penetrating Radar for Landmine Detection

被引:27
|
作者
Takahashi, Kazunori [1 ]
Igel, Jan [2 ]
Preetz, Holger [3 ]
Sato, Motoyuki [1 ]
机构
[1] Tohoku Univ, Ctr Northeast Asian Studies, Sendai, Miyagi 9808576, Japan
[2] Leibniz Inst Appl Geophys, D-30655 Hannover, Germany
[3] Fed Competence Ctr Soil & Groundwater Protect UXO, Construct Dept Lower Saxony, D-30169 Hannover, Germany
来源
基金
日本学术振兴会;
关键词
Clutter; dielectric permittivity; geostatistics; ground-penetrating radar (GPR); landmine detection; scattering; soil heterogeneity; BURIED ANTITANK; OBJECTS; MODEL; GPR;
D O I
10.1109/TGRS.2013.2273082
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
Ground-penetrating radar (GPR) has been studied for landmine detection and identification. Since this application employs higher frequencies as compared to conventional large-scale GPR measurements, the GPR performance is greatly influenced by soil properties and their spatial heterogeneity. In order to study the influence of soil heterogeneity on GPR performance, three types of soil were investigated. From the soil heterogeneity, GPR clutter was modeled with the aim of assessing the difficulty encountered in successful GPR performance. A handheld dual-sensor system that combines a metal detector and GPR was tested in these three test soils, and its performance for identifying buried objects was evaluated. The GPR performance obtained from the test showed a clear correlation with the modeled GPR clutter. Hence, the present study illustrates that clutter plays a major role in the detection of small objects in heterogeneous soil by GPR.
引用
收藏
页码:3464 / 3472
页数:9
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