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Proceedings Paper

Monopulse elevation discrimination experiments in low-angle multipath
Author(s): William J. Bangs II; Joel Bock; Thomas M. Wagner
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Paper Abstract

Tracking a low-altitude target in elevation is difficult when both direct and reflected radar returns originate within the main beam of the interrogating radar. In such conditions, a conventional monopulse radar is subjected to increased angle noise and bias error in elevation. This is a long-standing, unsolved (in a practical sense) problem in low-elevation target tracking. A novel application of a target extent estimator ('C2') has recently been shown theoretically capable of mitigating both specular and diffuse multipath interference in low-elevation tracking situations. Under Navy Phase II SBIR funding, ORINCON, Signalogic and TRW have collaboratively investigated the application of this technology by processing data collected during X-band experiments on real targets in low-level flight at NAWCWPNS, Point Mugu in early 1998. We describe the design and performance of these flight test experiments and summarize the salient off-line signal processing results, which demonstrated reliable elevation tracking in the horizon region with rms errors typically on the order of one-twentieth of a beamwidth. We conclude with a discussion of areas for future research and development of this technology.

Paper Details

Date Published: 14 October 1998
PDF: 11 pages
Proc. SPIE 3462, Radar Processing, Technology, and Applications III, (14 October 1998); doi: 10.1117/12.326740
Show Author Affiliations
William J. Bangs II, Signalogic, Inc. (United States)
Joel Bock, Orincon Corp. (United States)
Thomas M. Wagner, TRW Space & Electronics Group (United States)

Published in SPIE Proceedings Vol. 3462:
Radar Processing, Technology, and Applications III
William J. Miceli, Editor(s)

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