{"title":"A multibeam, diver-held sonar using a liquid-filled, spherical acoustic lens","authors":"E. Belcher","doi":"10.1109/OCEANS.1993.326222","DOIUrl":null,"url":null,"abstract":"Swath bathymetry, underwater searches, obstacle avoidance, and navigation are greatly enhanced by a high resolution, multibeam sonar. Acoustic lens technology provides a relatively compact and inexpensive sensor that can transmit and then receive multiple conical or rectangular beams using no beamforming electronics. The paper describes the basic components of a liquid-filled, spherical acoustic lens and provides both theoretical and empirical data which show lens beam patterns and how lens focus changes with temperature. The paper also describes a lens implementation in a compact, multibeam, diver-held sonar.<<ETX>>","PeriodicalId":130255,"journal":{"name":"Proceedings of OCEANS '93","volume":"117 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of OCEANS '93","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OCEANS.1993.326222","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
Swath bathymetry, underwater searches, obstacle avoidance, and navigation are greatly enhanced by a high resolution, multibeam sonar. Acoustic lens technology provides a relatively compact and inexpensive sensor that can transmit and then receive multiple conical or rectangular beams using no beamforming electronics. The paper describes the basic components of a liquid-filled, spherical acoustic lens and provides both theoretical and empirical data which show lens beam patterns and how lens focus changes with temperature. The paper also describes a lens implementation in a compact, multibeam, diver-held sonar.<>
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