Application of Hybrid Along-Track Interferometry/Displaced Phase Center Antenna Method for Moving Human Target Detection in Forest Environments

Report No. ARL-TR-7846
Authors: DaHan Liao
Date/Pages: October 2016; 16 pages
Abstract: Moving human target sensing for airborne foliage-penetration (FOPEN) radar applications is considered. Target detection, parameter estimation, and image refocusing—along with clutter suppression—are obtained with a hybrid along-track interferometry (ATI)/displaced phase center antenna (DPCA) technique that exploits the responses from a multichannel sensing configuration. The processing algorithm is evaluated using the scattering returns from large-scale, full-wave electromagnetic simulations of a scene consisting of a walking human embedded in a forest stand. Within the prescribed simulation framework, analysis is also performed to examine the effects of the trees and the human gait movement on target localization and image quality.
Distribution: Approved for public release
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Last Update / Reviewed: October 1, 2016