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Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz : comparison with deformed cylinder model and inference of orientation distribution

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dc.contributor.author Chu, Dezhang
dc.contributor.author Foote, Kenneth G.
dc.contributor.author Stanton, Timothy K.
dc.date.accessioned 2008-10-23T13:56:10Z
dc.date.available 2008-10-23T13:56:10Z
dc.date.issued 1993-05
dc.identifier.citation Journal of the Acoustical Society of America 93 (1993): 2985-2988 en
dc.identifier.uri http://hdl.handle.net/1912/2525
dc.description Author Posting. © Acoustical Society of America, 1993. 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 93 (1993): 2985-2988, doi:10.1121/1.405818. en
dc.description.abstract Data collected during the krill target strength experiment [J. Acoust. Soc. Am. 87, 16–24 (1990)] are examined in the light of a recent zooplankton scattering model where the elongated animals are modeled as deformed finite cylinders [J. Acoust. Soc. Am. 86, 691–705 (1989)]. Exercise of the model under assumption of an orientation distribution allows absolute predictions of target strength to be made at each frequency. By requiring that the difference between predicted and measured target strengths be a minimum in a least-squares sense, it is possible to infer the orientation distribution. This useful biological quantity was not obtainable in the previous analysis which involved the sphere scattering model. en
dc.description.sponsorship This research was supported, in part, by the Ocean Acoustics and Oceanic Biology Program of the Office of Naval Research Grant No. N00014-89-J-1729 en
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Acoustical Society of America en
dc.relation.uri http://dx.doi.org/10.1121/1.405818
dc.subject Backscattering en
dc.subject Sound waves en
dc.subject Khz range en
dc.subject Acoustic measurements en
dc.subject Orientation en
dc.subject Zooplankton en
dc.subject Crustaceans en
dc.title Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz : comparison with deformed cylinder model and inference of orientation distribution en
dc.type Article en
dc.identifier.doi 10.1121/1.405818


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