Echolocation in Bats: Signal Processing of Echoes for Target Range
- 5 March 1971
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 171 (3974) , 925-928
- https://doi.org/10.1126/science.171.3974.925
Abstract
Echolocating bats Eptesicus fuscus and Phyllostomus hastatus can discriminate between the nearer and farther of two targets. Their errors in discrimination are predicted accurately by the autocorrelation functions of their sonar cries. These bats behave as though they have an ideal sonar system which cross correlates the transmitted cry with the returning echo to extract target-range information.Keywords
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