Ultrawide-band synthetic aperture radar for detection of unexploded ordnance: Modeling and measurements

被引：36
作者：
Sullivan, A [1 ]
Damarla, R
Geng, N
Dong, Y
Carin, L
机构：
[1] USA, Res Lab, Adelphi, MD 20783 USA
[2] Univ Karlsruhe, Inst Microwaves & Elect, D-76128 Karlsruhe, Germany
[3] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2000年 / 48卷 / 09期
关键词：
buried object detection; ground-penetrating radar; synthetic aperature radar; ultrawide-band (UWB) radar;
D O I：
10.1109/8.898763
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：
Electromagnetic (EM) scattering from subsurface unexploded ordnance (UXO) is investigated both theoretically and experimentally. Three EM models are considered: the multilevel fast multipole algorithm (MLFMA), the method of moments (MoM), and physical optics (PO). The relative accuracy of these models is compared for several scattering scenarios. Moreover, the model results are compared to data measured by an experimental synthetic-aperture radar (SAR) system. SAR images have been generated for subsurface UXO targets, in particular 155-mm shells. We compare SAR images from the measured data with theoretical images produced by the MoM and PO simulations, using a standard back-projection imaging technique. In addition to such comparisons with measurement, we consider additional buried-UXO scattering scenarios to better understand the underlying wave phenomenology.
引用
收藏
页码：1306 / 1315
页数：10
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