Foliage-penetrating radar imaging system

Christopher J. Beaudoin; Andrew J. Gatesman; Robert H. Giles; Jerry Waldman; Markus E. Testorf; Michael A. Fiddy; William E. Nixon

doi:10.1117/12.452400

23 December 2002 Foliage penetrating radar imaging system

Christopher J. Beaudoin, Andrew J. Gatesman, Robert H. Giles, Jerry Waldman, Markus E. Testorf, Michael A. Fiddy, William E. Nixon

Author Affiliations +

Proceedings Volume 4792, Image Reconstruction from Incomplete Data II; (2002) https://doi.org/10.1117/12.452400
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

A far-field radar range has been constructed at the University of Massachusetts Lowell Submillimeter-Wave Technology Laboratory to investigate electromagnetic scattering and imagery of threat military targets located in forested terrain. The radar system, operating at X-band, uses 1/35^th scale targets and scenes to acquire VHF/UHF signature data. The trees and ground planes included in the measurement scenes have been dielectrically scaled in order to properly model the target/clutter interaction. The signature libraries acquired by the system could be used to help develop automatic target recognition algorithms. The difficulty in target recognition in forested areas is due to the fact that trees can have a signature larger than that of the target. The rather long wavelengths required to penetrate the foliage canopy also complicate target recognition by limiting image resolution. The measurement system and imaging algorithm will be presented as well as a validation of the measurements obtained by comparing measured signatures with analytical predictions. Preliminary linear co-polarization (HH,VV) and cross-polarization (HV,VH) data will be presented on an M1 tank in both forested and open-field scenarios.

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Christopher J. Beaudoin, Andrew J. Gatesman, Robert H. Giles, Jerry Waldman, Markus E. Testorf, Michael A. Fiddy, and William E. Nixon "Foliage penetrating radar imaging system", Proc. SPIE 4792, Image Reconstruction from Incomplete Data II, (23 December 2002); https://doi.org/10.1117/12.452400

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KEYWORDS

Radar

Image processing

Calibration

Dielectric polarization

Scattering

Dielectrics

Automatic target recognition

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