Signature predictions of surface targets undergoing turning maneuvers in spotlight synthetic aperture radar imagery

David A. Garren

doi:10.1117/12.2177372

13 May 2015 Signature predictions of surface targets undergoing turning maneuvers in spotlight synthetic aperture radar imagery

David A. Garren

Author Affiliations +

Proceedings Volume 9475, Algorithms for Synthetic Aperture Radar Imagery XXII; 94750A (2015) https://doi.org/10.1117/12.2177372
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

This paper investigates methodologies for predicting the smear signatures in broadside spotlight synthetic aperture radar imagery collections due to surface targets that are undergoing turning maneuvers. This analysis examines the case of broadside geometry wherein the radar moves with constant speed and heading on a level flight path. This investigation concentrates moving target smear issues that yield some defocus in the range direction, although much smaller in magnitude than the motion induced smearing in the radar cross-range direction. This paper focuses on the case of a target that executes a turning maneuver during the SAR collection interval. The SAR simulations are shown to give excellent agreement between the moving target signatures and the predicted shapes of the central contours.

Citation Download Citation

David A. Garren "Signature predictions of surface targets undergoing turning maneuvers in spotlight synthetic aperture radar imagery", Proc. SPIE 9475, Algorithms for Synthetic Aperture Radar Imagery XXII, 94750A (13 May 2015); https://doi.org/10.1117/12.2177372

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