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22 April 2005 Laser development for optimal helicopter obstacle warning system LADAR performance
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Abstract
Low lying obstacles present immediate danger to both military and civilian helicopters performing low-altitude flight missions. A LADAR obstacle detection system is the natural solution for enhancing helicopter safety and improving the pilot situation awareness. Elop is currently developing an advanced Surveillance and Warning Obstacle Ranging and Display (SWORD) system for the Israeli Air Force. Several key factors and new concepts have contributed to system optimization. These include an adaptive FOV, data memorization, autonomous obstacle detection and warning algorithms and the use of an agile laser transmitter. In the present work we describe the laser design and performance and discuss some of the experimental results. Our eye-safe laser is characterized by its pulse energy, repetition rate and pulse length agility. By dynamically controlling these parameters, we are able to locally optimize the system’s obstacle detection range and scan density in accordance with the helicopter instantaneous maneuver.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Yaniv, V. Krupkin, A. Abitbol, J. Stern, E. Lurie, A. German, S. Solomonovich, B. Lubashitz, Y. Harel, S. Engart, Y. Shimoni, S. Hezy, S. Biltz, E. Kaminetsky, A. Goldberg, J. Chocron, N. Zuntz, and A. Zajdman "Laser development for optimal helicopter obstacle warning system LADAR performance", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); https://doi.org/10.1117/12.593230
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