Ear Deformations Give Bats a Physical Mechanism for Fast Adaptation of Ultrasonic Beam Patterns

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dc.contributorVirginia Techen
dc.contributor.authorGao, Lien
dc.contributor.authorBalakrishnan, Sreenathen
dc.contributor.authorHe, Weikaien
dc.contributor.authorYan, Zhenen
dc.contributor.authorMüller, Rolfen
dc.contributor.departmentInstitute for Advanced Learning and Research (IALR)en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessed2013-12-10en
dc.date.accessioned2013-12-10T17:31:17Zen
dc.date.available2013-12-10T17:31:17Zen
dc.date.issued2011-11-14en
dc.description.abstractA large number of mammals, including humans, have intricate outer ear shapes that diffract incoming sound in a direction-and frequency-specific manner. Through this physical process, the outer ear shapes encode sound-source information into the sensory signals from each ear. Our results show that horseshoe bats could dynamically control these diffraction processes through fast nonrigid ear deformations. The bats' ear shapes can alter between extreme configurations in about 100 ms and thereby change their acoustic properties in ways that would suit different acoustic sensing tasks.en
dc.description.sponsorshipNational Natural Science Foundation of China 10774092, 11074149en
dc.description.sponsorshipShandong University Independent Innovation Foundation 2010JC001en
dc.description.sponsorshipShandong Taishan Scholar Funden
dc.description.sponsorshipChina Scholarship Councilen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGao, Li ; Balakrishnan, Sreenath ; He, Weikai ; et al., Nov 14, 2011. “Ear Deformations Give Bats a Physical Mechanism for Fast Adaptation of Ultrasonic Beam Patterns,” PHYSICAL REVIEW LETTERS 107(21): 214301. DOI: 10.1103/PhysRevLett.107.214301en
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.107.214301en
dc.identifier.issn0031-9007en
dc.identifier.urihttp://hdl.handle.net/10919/24493en
dc.identifier.urlhttp://link.aps.org/doi/10.1103/PhysRevLett.107.214301en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectGreater horseshoe baten
dc.subjectBig brown baten
dc.subjectEcholocation signalsen
dc.subjectLocalizationen
dc.subjectMovementen
dc.subjectFerrumequinumen
dc.subjectElevationen
dc.subjectEvolutionen
dc.subjectHearingen
dc.subjectSonaren
dc.subjectPhysicsen
dc.titleEar Deformations Give Bats a Physical Mechanism for Fast Adaptation of Ultrasonic Beam Patternsen
dc.title.serialPhysical Review Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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