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Geoacoustic inversion by mode amplitude perturbation

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dc.contributor.author Poole, Travis L.
dc.contributor.author Frisk, George V.
dc.contributor.author Lynch, James F.
dc.contributor.author Pierce, Allan D.
dc.date.accessioned 2008-10-21T17:55:33Z
dc.date.available 2008-10-21T17:55:33Z
dc.date.issued 2008-02
dc.identifier.citation Journal of the Acoustical Society of America 123 (2008): 667-678 en
dc.identifier.uri http://hdl.handle.net/1912/2518
dc.description Author Posting. © Acoustical Society of America, 2008. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 123 (2008): 667-678, doi:10.1121/1.2821975. en
dc.description.abstract This paper introduces a perturbative inversion algorithm for determining sea floor acoustic properties, which uses modal amplitudes as input data. Perturbative inverse methods have been used in the past to estimate bottom acoustic properties in sediments, but up to this point these methods have used only the modal eigenvalues as input data. As with previous perturbative inversion methods, the one developed in this paper solves the nonlinear inverse problem using a series of approximate, linear steps. Examples of the method applied to synthetic and experimental data are provided to demonstrate the method's feasibility. Finally, it is shown that modal eigenvalue and amplitude perturbation can be combined into a single inversion algorithm that uses all of the potentially available modal data en
dc.description.sponsorship Funding for the research presented here was provided by the Office of Naval Research, and the WHOI Academic Programs Office. en
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Acoustical Society of America en
dc.relation.uri http://dx.doi.org/10.1121/1.2821975
dc.subject Geophysical techniques en
dc.subject Inverse problems en
dc.subject Sediments en
dc.subject Seismology en
dc.title Geoacoustic inversion by mode amplitude perturbation en
dc.type Article en
dc.identifier.doi 10.1121/1.2821975


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