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Temporal signal processing of dolphin biosonar echoes from salmon prey
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/content/asa/journal/jasa/136/2/10.1121/1.4885480
2014-07-11
2014-09-23

Abstract

Killer whales project short broadband biosonar clicks. The broadband nature of the clicks provides good temporal resolution of echo highlights and allows for the discriminations of salmon prey. The echoes contain many highlights as the signals reflect off different surfaces and parts of the fish body and swim bladder. The temporal characteristics of echoes from salmon are highly aspect dependent and six temporal parameters were used in a support vector machine to discriminate between species. Results suggest that killer whales can classify salmon based on their echoes and provide some insight as to which features might enable the classification.

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Scitation: Temporal signal processing of dolphin biosonar echoes from salmon prey
http://aip.metastore.ingenta.com/content/asa/journal/jasa/136/2/10.1121/1.4885480
10.1121/1.4885480
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