An airport-based avian radar system is an effective technical means for bird-aircraft strike hazard (BASH) avoidance. Three existing systems are surveyed, including Merlin Avian Radar System, Accipiter Avian Radar System, and Beihang Experimental Avian Radar System. Two critical technologies for Beihang experimental system are introduced: flying bird target detecting and tracking algorithm and BASH assessment. The algorithm consists of five steps: background subtraction, clutter suppression, measurement extraction, multitarget tracking, and data overlay. The multitarget tracking algorithm is tested against simulated data. The overall approach is applied on a set of horizontal scanning plane position indicator (PPI) radar images. A BASH assessment model is established by an analytic hierarchy process (AHP), considering two factors of the current states of flying birds and aircraft. Using the BASH assessment model, an application example at Nanyang Airport is described, in detail. Finally, some development trend of critical technologies for airport-based avian radar system is given.
Flying Bird Detection and Hazard Assessment for Avian Radar System
Journal of Aerospace Engineering ; 25 , 2 ; 246-255
12.05.2011
102012-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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