Baseband version of the bat-inspired spectrogram correlation and transformation receiver

Krasin Georgiev, Alessio Balleri, Andy Stove, Marc W Holderied

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

6 Citations (Scopus)
270 Downloads (Pure)

Abstract

Echolocating bats have evolved an excellent ability to detect and discriminate targets in highly challenging environments. They have had more than 50 million years of evolution to optimise their echolocation system with respect to their surrounding environment. Behavioural experiments have shown their exceptional ability to detect and classify targets even in highly cluttered surroundings. The way bats process signals is not exactly the same as in radar and hence it can be useful to investigate the differences. The Spectrogram Correlation And Transformation receiver (SCAT) is an existing model of the bat auditory system that takes into account the physiology and underlying neural organisation in bats which emit chirped signals. In this paper, we propose a baseband receiver equivalent to the SCAT. This will allow biologically inspired signal processing to be applied to radar baseband signals. It will also enable further theoretical analysis of the key concepts, advantages and limitations of the bat signal processing for the purpose of target detection, localisation and resolution. The equivalence is demonstrated by comparing the output of the original SCAT to that of our proposed baseband version using both simulated and experimental target echoes. Results show that the baseband receiver provides compatible frequency interference pattern for two closely located scatterers.
Original languageEnglish
Title of host publication2016 IEEE Radar Conference (RadarConf 2016)
Subtitle of host publicationProceedings of a meeting held 2-6 May 2016, Philadelphia, Pennsylvania, USA
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages6
ISBN (Electronic)9781509008636
ISBN (Print)9781509008643
DOIs
Publication statusPublished - Aug 2016
Event2016 IEEE Radar Conference, RadarConf 2016 - Philadelphia, United States
Duration: 2 May 20166 May 2016

Publication series

NameProceedings of the IEEE Radar Conference (RadarConf)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISSN (Print)2375-5318

Conference

Conference2016 IEEE Radar Conference, RadarConf 2016
Country/TerritoryUnited States
CityPhiladelphia
Period2/05/166/05/16

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