Ultrawideband SAR for detection of subsurface unexploded ordnance (UXO): measurement, modeling, and signal processing

Norbert Geng; Lawrence Carin; Marc A. Ressler; Barbara L. Merchant

doi:10.1117/12.354608

20 July 1999 Ultrawideband SAR for detection of subsurface unexploded ordnance (UXO): measurement, modeling, and signal processing

Norbert Geng, Lawrence Carin, Marc A. Ressler, Barbara L. Merchant

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Proceedings Volume 3704, Radar Sensor Technology IV; (1999) https://doi.org/10.1117/12.354608
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

We report here on the use of rigorous scattering models for SAR-based detection of buried UXO. In this paper we concentrate on the algorithm used for the scattering computations, the fast multiple method (FMM), and in the talk we will demonstrate how this is applied to subsurface- target detection, using data from the Army Research Laboratory BoomSAR. The FMM is applied to scattering from an arbitrary, 3D perfect conductor situated above or below a lossy, dielectric half space. Example results are presented for an electrically large target buried in a lossy, dispersive half space, with comparisons presented between the FMM and a rigorous method of moments solution.

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Norbert Geng, Lawrence Carin, Marc A. Ressler, and Barbara L. Merchant "Ultrawideband SAR for detection of subsurface unexploded ordnance (UXO): measurement, modeling, and signal processing", Proc. SPIE 3704, Radar Sensor Technology IV, (20 July 1999); https://doi.org/10.1117/12.354608

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KEYWORDS

Scattering

3D acquisition

Chemical elements

Analytical research

Synthetic aperture radar

Electromagnetic scattering

Interfaces

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