Editorial. Biologically-inspired radar and sonar systems
Leighton, T.G. and Balleri, A. (2012) Editorial. Biologically-inspired radar and sonar systems. IET Radar Sonar & Navigation, 6, (6), 507-509. (doi:10.1049/iet-rsn.2012.0146).
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In the last century both radar and sonar active technology developed from inception to the point where high resolution images can be obtained from long ranges. The available technology can exploit Doppler effects, structural resonances, nonlinear scattering, synthetic aperture platforms, and sediment-penetrating modalities. Active sonar and radar share many common approaches, in part because of the similarities of the problems they address, both in the military and commercial research areas. Moreover, in the last two decades, research into both radar and sonar has explored biomimetic and bioinspired solutions, in recognition of the fact that whilst man-made systems have access to power and bandwidth far beyond that available to any living organism, some biological solutions have benefitted from millions of years of natural optimisation to evolve sensing capabilities and strategies and meet the challenges of survival (finding food and mates, avoiding predators, sensing and navigating to and within appropriate habitats, etc.). Problem solving for survival goes beyond the particular radiation used in sensing, covering also signal processing, detection and classification of targets, use of platforms, and strategies for deploying sensors and interpreting data. Bio-inspired approaches follow logically when the problems facing manufactured technology resemble those addressed in nature. For example, in the last 15 years the arena for sonar challenge has changed from the passive detection of large quiet nuclear submarines in the deep, relatively quiet and uncluttered waters, to minehunting by active sonar in shallow coastal waters, a problem far closer to that faced by dolphins and bats in their natural environments.
|Subjects:||G Geography. Anthropology. Recreation > GC Oceanography
Q Science > QC Physics
Q Science > QL Zoology
|Divisions:||Faculty of Engineering and the Environment > Institute of Sound and Vibration Research
|Date Deposited:||03 Aug 2012 10:50|
|Last Modified:||27 Mar 2014 20:24|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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