mirage

Detecting Atlantic herring by parametric sonar

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dc.contributor.author Godø, Olav Rune
dc.contributor.author Foote, Kenneth G.
dc.contributor.author Dybedal, Johnny
dc.date.accessioned 2010-04-29T18:01:39Z
dc.date.available 2010-04-29T18:01:39Z
dc.date.issued 2010-03-17
dc.identifier.citation Journal of the Acoustical Society of America 127 (2010): EL153-EL159 en_US
dc.identifier.uri http://hdl.handle.net/1912/3365
dc.description Author Posting. © Acoustical Society of America, 2010. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 127 (2010): EL153-EL159, doi:10.1121/1.3336398. en_US
dc.description.abstract The difference-frequency band of the Kongsberg TOPAS PS18 parametric sub-bottom profiling sonar, nominally 1–6 kHz, is being used to observe Atlantic herring. Representative TOPAS echograms of herring layers and schools observed in situ in December 2008 and November 2009 are presented. These agree well with echograms of volume backscattering strength derived simultaneously with the narrowband Simrad EK60/18- and 38-kHz scientific echo sounder, also giving insight into herring avoidance behavior in relation to survey vessel passage. Progress in rendering the TOPAS echograms quantitative is described. en_US
dc.description.sponsorship Work supported by the Norwegian Research Council under Grant No. 184705 and the Office of Naval Research under Award No. N000140910482. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher Acoustical Society of America en_US
dc.relation.uri http://dx.doi.org/10.1121/1.3336398
dc.subject Echo en_US
dc.subject Sonar detection en_US
dc.subject Sonar signal processing en_US
dc.subject Underwater sound en_US
dc.title Detecting Atlantic herring by parametric sonar en_US
dc.type Article en_US
dc.identifier.doi 10.1121/1.3336398


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