Anti-ship missile tracking with a chirped AM ladar - Update: design, model predictions, and experimental results

Brian Redman; William Ruff; Barry Stann; Mark Giza; William Lawler; John Dammann; William Potter

doi:10.1117/12.603637

19 May 2005 Anti-ship missile tracking with a chirped AM ladar - Update: design, model predictions, and experimental results

Brian Redman, William Ruff, Barry Stann, Mark Giza, William Lawler, John Dammann, William Potter

Author Affiliations +

Proceedings Volume 5791, Laser Radar Technology and Applications X; (2005) https://doi.org/10.1117/12.603637
Event: Defense and Security, 2005, Orlando, Florida, United States

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.

Citation Download Citation

Brian Redman, William Ruff, Barry Stann, Mark Giza, William Lawler, John Dammann, and William Potter "Anti-ship missile tracking with a chirped AM ladar - Update: design, model predictions, and experimental results", Proc. SPIE 5791, Laser Radar Technology and Applications X, (19 May 2005); https://doi.org/10.1117/12.603637

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