{"refrec":{"BRefID":211447,"RR":"Ren, Q.Y.; Hermand, J.P.; Piao, S.C. (2010). Space-frequency distribution of the vector field of broad-band sound in shallow water, in: IEEE (Ed.) Oceans 2010 MTS/IEEE Seattle. Innerspace: A Global Responsibility. Seattle, Washington, USA, September 20-23, 2010. Oceans (New York), . https://dx.doi.org/10.1109/OCEANS.2010.5664109","BEntID":203369,"PublicFlag":1,"CheckedFlag":1,"wosflag":0,"vabbflag":0,"RefStringPartII":", in: IEEE (Ed.) Oceans 2010 MTS/IEEE Seattle. Innerspace: A Global Responsibility. Seattle, Washington, USA, September 20-23, 2010. Oceans (New York), . https://dx.doi.org/10.1109/OCEANS.2010.5664109","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ren, Q.Y.; Hermand, J.P.; Piao, S.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ren, Q.Y.; Hermand, J.P.; Piao, S.C.","Englishabstract":"An uniform distribution often appears in the space-frequency plane for broad-band, low-frequency sound intensity generated by a moving source in a shallow water environment. Waveguide invariant theory is used to interpret this phenomenon, and it has been applied for inverse problems in underwater acoustics. A vector sensor has advantages in providing both pressure and particle velocity information about the sound field simultaneously, and a higher signal-to-noise ratio signal than a traditional hydrophone. In the present paper, the space-frequency distribution of broad-band vector acoustic signals in a Pekeris waveguide is investigated using normal mode theory. A comparison between experimental and predicted space-frequency distributions is made for the Yellow Shark environment. The effects of the sound speed profile of the water column, the existence of a soft sediment layer, the change of sound speed or thickness of the soft sediment on the space-frequency distribution are examined. The possibility of using space-frequency distributions to invert for environmental parameters is discussed.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Space-frequency distribution of the vector field of broad-band sound in shallow water","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2010,"MonPub":null,"DateUpdate":"2022-07-13","DateCreate":"2011-12-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000287539100299","VABBcode":null,"OpenAcc":0,"DOI":"10.1109/OCEANS.2010.5664109"},"refs":null,"anarec":{"AnaID":211447,"PubliDate":2010,"Pagination":null,"XtraPublOfAnaID":null,"ISBN":"978-1-4244-4333-8","Volume":null,"Issue":null,"BRefMon":210456,"BRefMonRR":"IEEE (Ed.) (2010). Oceans 2010 MTS/IEEE Seattle. 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