18 April 2010 Analysis of focused dismount signatures
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Abstract
The detection and characterization of dismount activity is of increasing interest, particularly using radar to allow for day/night operation from long range. Current RF dismount sensing concepts either employ short coherent intervals with fine range resolution or long coherent intervals with fine Doppler resolution. We propose use of both fine range resolution and long coherent intervals to achieve fine Doppler resolution. When dismounts are moving, this introduces the added complication of micro-range/Doppler signature drift through range-Doppler resolution cells. In this paper, we describe potential methods for focusing the signatures of moving dismounts, and then analyze the focused signature for potential features that might lead to the automatic classification of the dismounts into several categories.
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Thomas L. Lewis, Thomas L. Lewis, Brian Rigling, Brian Rigling, } "Analysis of focused dismount signatures", Proc. SPIE 7699, Algorithms for Synthetic Aperture Radar Imagery XVII, 76990M (18 April 2010); doi: 10.1117/12.862609; https://doi.org/10.1117/12.862609
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