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구형 알루미늄 쉘 내부의 충전유체에 따른 수중 음향 산란 특성 분석 및 유사 위그너-빌 분포를 이용한 식별 기법연구

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dc.contributor.authorChoo, Y.-S.-
dc.contributor.authorByun, S.-H.-
dc.contributor.authorKim, S.-M.-
dc.contributor.authorLee, K.-
dc.date.accessioned2021-08-03T04:28:11Z-
dc.date.available2021-08-03T04:28:11Z-
dc.date.issued2019-09-
dc.identifier.issn1225-4428-
dc.identifier.issn2287-3775-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/430-
dc.description.abstractThe acoustical scattering characteristics of a target are influenced by the material properties and structural characteristics of the target, which are critical information for acoustic detection and identification of underwater target. In particular, for thin elastic target, unique scattered signals are generated around the target by the Lamb wave. In this paper, the results of scattered signal measurement of aluminum spherical shell in the water tank using the stepped frequency sweep sine signal are presented. In particular, the scattering of the water-filled aluminum spherical shell is compared with that of the air-filled one both theoretically and experimentally. The difference of the scattered signals are analyzed using the pseudo Wigner-Ville distribution in terms of average frequency, frequency distribution, and energy of the scattered signal. The result shows that all observed parameters increased when the aluminum sphere was water-filled, and it is well matched to the theoretical expectation. ? 2019 Acoustical Society of Korea. All rights reserved.-
dc.format.extent9-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국음향학회-
dc.title구형 알루미늄 쉘 내부의 충전유체에 따른 수중 음향 산란 특성 분석 및 유사 위그너-빌 분포를 이용한 식별 기법연구-
dc.title.alternativeAnalysis of acoustic scattering characteristics of an aluminum spherical shell with different internal fluids and classification using pseudo Wigner-Ville distributionㅂㅜ-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.doi10.7776/ASK.2019.38.5.549-
dc.identifier.scopusid2-s2.0-85079171708-
dc.identifier.bibliographicCitation한국음향학회지, v.38, no.5, pp 549 - 557-
dc.citation.title한국음향학회지-
dc.citation.volume38-
dc.citation.number5-
dc.citation.startPage549-
dc.citation.endPage557-
dc.type.docTypeArticle-
dc.identifier.kciidART002509802-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthorAcoustic scattering-
dc.subject.keywordAuthorActive sonar-
dc.subject.keywordAuthorAluminum spherical shell-
dc.subject.keywordAuthorPseudo Wigner-Ville distribution-
dc.subject.keywordAuthorSonar target classification-
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