Bio-inspired processing of radar target echoes

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dc.contributor.authorGeorgiev, Krasin
dc.contributor.authorBalleri, Alessio
dc.contributor.authorStove, Andy
dc.contributor.authorHolderied, Marc W.
dc.date.accessioned2018-10-29T12:25:53Z
dc.date.available2018-10-29T12:25:53Z
dc.date.issued2018-07-20
dc.description.abstractEcholocating bats have evolved the ability to detect, resolve and discriminate targets in highly challenging environments using biological sonar. The way bats process signals in the receiving auditory system is not the same as that of radar and sonar and hence investigating differences and similarities might provide useful lessons to improve synthetic sensors. The Spectrogram Correlation And Transformation (SCAT) receiver is an existing model of the bat auditory system that takes into account the physiology and the neural organisation of bats that emit broadband signals. In this study, the authors present a baseband receiver equivalent to the SCAT that allows an analysis of target echoes at baseband. The baseband SCAT (BSCT) is used to investigate the output of the bat-auditory model for two closely spaced scatterers and to carry out an analysis of range resolution performance and a comparison with the conventional matched filter. Results firstly show that the BSCT provides improved resolution performance. It is then demonstrated that the output of the BSCT can be obtained with an equivalent matched-filter based receiver. The results are verified with a set of laboratory experiments at radio frequencies in a high signal-to-noise ratio.en_UK
dc.identifier.citationKrasin Georgiev, Alessio Balleri, Andy Stove and Marc W. Holderied. Bio-inspired processing of radar target echoes. Available onle 20 July 2018en_UK
dc.identifier.issn1751-8784
dc.identifier.urihttps://doi.org/10.1049/iet-rsn.2018.5241
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13588
dc.language.isoenen_UK
dc.subjectsignal resolutionen_UK
dc.subjectmatched filtersen_UK
dc.subjectsonar detectionen_UK
dc.subjectsonar signal processingen_UK
dc.subjectobject detectionen_UK
dc.titleBio-inspired processing of radar target echoesen_UK
dc.typeArticleen_UK

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