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Proceedings Paper

Anti-ship missile tracking with a chirped AM ladar - Update: design, model predictions, and experimental results
Author(s): Brian Redman; William Ruff; Barry Stann; Mark Giza; William Lawler; John Dammann; William Potter
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Paper Abstract

Shipboard infrared search and track (IRST) systems can detect sea-skimming, anti-ship missiles at long ranges. Since IRST systems cannot measure range and line-of-sight (LOS) velocity, they have difficulty distinguishing missiles from false targets and clutter. In a joint Army-Navy program, the Army Research Laboratory (ARL) is developing a ladar based on the chirped amplitude modulation (AM) technique to provide range and velocity measurements of potential targets handed-over by the distributed aperture system - IRST (DAS-IRST) being developed by the Naval Research Laboratory (NRL) and sponsored by the Office of Naval Research (ONR). Using the ladar's range and velocity data, false alarms and clutter will be eliminated, and valid missile targets' tracks will be updated. By using an array receiver, ARL's ladar will also provide 3D imagery of potential threats for force protection/situational awareness. The concept of operation, the Phase I breadboard ladar design and performance model results, and the Phase I breadboard ladar development program were presented in paper 5413-16 at last year's symposium. This paper will present updated design and performance model results, as well as recent laboratory and field test results for the Phase I breadboard ladar. Implications of the Phase I program results on the design, development, and testing of the Phase II brassboard ladar will also be discussed.

Paper Details

Date Published: 19 May 2005
PDF: 12 pages
Proc. SPIE 5791, Laser Radar Technology and Applications X, (19 May 2005); doi: 10.1117/12.603637
Show Author Affiliations
Brian Redman, Army Research Lab. (United States)
William Ruff, Army Research Lab. (United States)
Barry Stann, Army Research Lab. (United States)
Mark Giza, Army Research Lab. (United States)
William Lawler, Army Research Lab. (United States)
John Dammann, Army Research Lab. (United States)
William Potter, Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 5791:
Laser Radar Technology and Applications X
Gary W. Kamerman, Editor(s)

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