{"title":"REVERBERATION STIMULATION FOR SONAR SYSTEMS ASSESSMENT","authors":"CH Harrison, AJ Robins","doi":"10.25144/18845","DOIUrl":"https://doi.org/10.25144/18845","url":null,"abstract":"","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"42 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PHASE CONJUGATE ARRAY PERFORMANCE FOR ACTIVE SONAR","authors":"MK Prior","doi":"10.25144/18849","DOIUrl":"https://doi.org/10.25144/18849","url":null,"abstract":"","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"36 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"SOME ASPECTS OF SHALLOW WATER FLUCTUATIONS ON SAS PERFORMANCE","authors":"N.G. Pace, O. Bergem, M. Pinto","doi":"10.25144/18852","DOIUrl":"https://doi.org/10.25144/18852","url":null,"abstract":"","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"31 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"NEAR-BOUNDARY SURFACE AND VOLUME BACKSCATTERING: MODEL/DATA COMPARISONS","authors":"RC Gauss, JM Fialkowski, RW Nero, D. Wurmser","doi":"10.25144/18856","DOIUrl":"https://doi.org/10.25144/18856","url":null,"abstract":"","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"33 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"INCOMPLETE PHASE CONJUGATION","authors":"KD Ridley, E. Jakeman, DC Jones","doi":"10.25144/18847","DOIUrl":"https://doi.org/10.25144/18847","url":null,"abstract":"","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"5 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The scattering of sound from underwater internal waves is investigated using a theory based on coupling between acoustic normal modes. The predictions of the coupled mode theory are tested by numerical simulation using a parabolic equation propagation model that is mathematically dissimilar. Trends seen in the outputs from the computer model are explained by the predictions of the coupled mode theory, illustrating the validity of the coupled mode approach.
{"title":"UNDERWATER ACOUSTIC NORMAL MODE COUPLING DUE TO RESONANT SCATTERING","authors":"M. Prior","doi":"10.25144/18850","DOIUrl":"https://doi.org/10.25144/18850","url":null,"abstract":"The scattering of sound from underwater internal waves is investigated using a theory based on coupling between acoustic normal modes. The predictions of the coupled mode theory are tested by numerical simulation using a parabolic equation propagation model that is mathematically dissimilar. Trends seen in the outputs from the computer model are explained by the predictions of the coupled mode theory, illustrating the validity of the coupled mode approach.","PeriodicalId":518526,"journal":{"name":"Recent Developments in Underwater Acoustics","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140531122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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