Flying Bird Detection and Hazard Assessment for Avian Radar System
Publication: Journal of Aerospace Engineering
Volume 25, Issue 2
Abstract
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.
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Acknowledgments
This work is jointly funded by the National Natural Science Foundation of China (NSFC) and Civil Aviation Administration of China (CAAC) (No. 61079019 and No. 61001134). The authors also wish to acknowledge the support from the 47th China Postdoctoral Science Foundation and the Important National Science & Technology Specific Projects on the development and application validation of the next generation sensing network for civil airport perimeter anti-intrusion monitoring.
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Information & Authors
Information
Published In
Journal of Aerospace Engineering
Volume 25 • Issue 2 • April 2012
Pages: 246 - 255
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Dec 7, 2009
Accepted: May 10, 2011
Published online: May 12, 2011
Published in print: Apr 1, 2012
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