21 May 2015 Recent experiments using the ARL Rail-SAR
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Abstract
The Army Research Laboratory has constructed an indoor, rail-mounted, synthetic aperture radar (SAR) system capable of simulating airborne data collection geometries. The collection facility includes both a “building within a building” for through-the-wall measurements and a “sand pit” for buried-target measurements. While we collect background measurements for the purpose of clutter removal, the elimination of multi-path responses due to target emplacements presents a significant problem. These multipath effects can manifest themselves as artifacts in the processed SAR imagery— artifacts that were observed in data presented at last year’s Defense, Security and Sensing Radar Sensor Technology conference. In this paper, we present the results of additional data collections and analysis performed to identify the source of observed Rail-SAR artifacts. We analyze data collected using various target-emplacement scenarios and describe the procedures developed to eliminate artifacts in future Rail-SAR experiments. We examine results obtained both with and without the new measurement procedures in place.
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Kenneth Ranney, Brian Phelan, Getachew Kirose, Kelly Sherbondy, Traian Dogaru, R. Narayanan, "Recent experiments using the ARL Rail-SAR", Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 94610L (21 May 2015); doi: 10.1117/12.2178317; https://doi.org/10.1117/12.2178317
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