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

Anders Sullivan; Raju Damarla; Norbert Geng; Yanting Dong; Lawrence Carin

doi:10.1109/8.898763

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

Anders Sullivan, Raju Damarla, Norbert Geng, Yanting Dong, Lawrence Carin

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43 Scopus citations

Abstract

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. © 2000 IEEE.

Original language	English (US)
Pages (from-to)	1306-1315
Number of pages	10
Journal	IEEE Transactions on Antennas and Propagation
Volume	48
Issue number	9
DOIs	https://doi.org/10.1109/8.898763
State	Published - Dec 1 2000
Externally published	Yes

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abstract = "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. {\textcopyright} 2000 IEEE.",

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AU - Damarla, Raju

AU - Geng, Norbert

AU - Dong, Yanting

AU - Carin, Lawrence

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

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