{"refrec":{"BRefID":215908,"RR":"<b>Hermand, J.-P.; Meyer, M.; Asch, M.; Berrada, M.; Sorror, C.; Thiria, S.; Badran, F.; Stephan, Y.</b> (2006). Semi-automatic adjoint PE modeling for geoacoustic inversion, <b><i>in</i></b>: Tolstoy, A. <i>et al.</i> <i>7th International Conference on Theoretical and Computational Acoustics (ICTCA 2005) - Hangzhou, China - September 19-22, 2005.</i> pp. 53-64. <a href=\"http://dx.doi.org/10.1142/9789812772602_0007\" target=\"_blank\">dx.doi.org/10.1142/9789812772602_0007</a>","BEntID":207664,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Tolstoy, A. <i>et al.</i> <i>7th International Conference on Theoretical and Computational Acoustics (ICTCA 2005) - Hangzhou, China - September 19-22, 2005.</i> pp. 53-64. <a href=\"https://dx.doi.org/10.1142/9789812772602_0007\" target=\"_blank\">https://dx.doi.org/10.1142/9789812772602_0007</a>","DocTypID":17,"DocType":"Book chapters","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hermand, J.-P.; Meyer, M.; Asch, M.; Berrada, M.; Sorror, C.; Thiria, S.; Badran, F.; Stephan, Y.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hermand, J.-P. <i>et al.</i>","Englishabstract":"Recently, an analytic adjoint-based method of optimal nonlocal boundary control has been proposed for inversion of a waveguide acoustic field using the wide-angle parabolic equation [Meyer & Hermand, J. Acoust. Soc. Am. <b>117</b>, 2937–2948 (2005)]. In this paper a numerical extension of this approach is presented that allows the direct inversion for the geoacoustic parameters which are embedded in a discrete representation of the nonlocal boundary condition. The adjoint model is generated numerically and the inversion is carried out jointly across multiple frequencies. To demonstrate the effectiveness of the implemented numerical adjoint, an illustrative example is presented for the geoacoustic characterization of a Mediterranean shallow water environment using realistic experimental conditions.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Semi-automatic adjoint PE modeling for geoacoustic inversion","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":2006,"MonPub":null,"DateUpdate":"2012-06-04","DateCreate":"2012-06-04","SecASFANote":null,"ConfID":null,"PeerRev":null,"VlizCoreFlag":1,"WoScode":"WOS:000244717300007","VABBcode":null,"OpenAcc":0,"DOI":"10.1142/9789812772602_0007"},"refs":null,"anarec":{"AnaID":215908,"PubliDate":2006,"Pagination":"53-64","XtraPublOfAnaID":null,"ISBN":"978-9812700841","Volume":null,"Issue":null,"BRefMon":215907,"BRefMonRR":"<b>Tolstoy, A. <i>et al.</i></b> (2006). 7th International Conference on Theoretical and Computational Acoustics (ICTCA 2005) - Hangzhou, China - September 19-22, 2005. 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