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A Markov process model of ocean sediments

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dc.contributorVirginia Tech. Bradley Department of Electrical and Computer Engineeringen
dc.contributorArete Associatesen
dc.contributor.authorSockell, Michaelen
dc.contributor.authorBesieris, Ioannis M.en
dc.contributor.authorKohler, Werner E.en
dc.contributor.authorFreese, Herberten
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessed2015-05-12en
dc.date.accessioned2015-05-26T19:30:58Zen
dc.date.available2015-05-26T19:30:58Zen
dc.date.issued1985-01-01en
dc.description.abstractMonochromatic plane-wave illumination of a randomly stratified, laterally homogeneous sediment layer is considered. The deposition process creating the stochastic layering is assumed to be a continuous parameter, finite state Markov chain. A Riccati equation for the plane-wave reflection coefficient is formulated and first-order partial differential equations for relevant probability density functions are subsequently obtained. These equations are solved numerically for a two-material turbidite model similar to the one considered by Gilbert [J. Acoust. Soc. Am. 68, 1454-1458 (1980)]. Statistical moments of the reflection coefficient are computed at 25 and 250 Hz as a function of overall sediment thickness. These equations are also used to derive the nonrandom or "smooth" geoacoustic model that is appropriate in the low-frequency limit.en
dc.description.sponsorshipUnited States. Office of Naval Research - Contract No. N00014-76-C-0056P00004en
dc.format.extent9 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSockell, M., Besieris, I., Kohler, W., & Freese, H. (1985). A Markov process model of ocean sediments. Journal of the Acoustical Society of America, 77(1), 74-82. doi: 10.1121/1.391904en
dc.identifier.doihttps://doi.org/10.1121/1.391904en
dc.identifier.issn0001-4966en
dc.identifier.urihttp://hdl.handle.net/10919/52599en
dc.identifier.urlhttp://scitation.aip.org/content/asa/journal/jasa/77/1/10.1121/1.391904en
dc.language.isoenen
dc.publisherAcoustical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectMarkov processesen
dc.subjectPartial differential equationsen
dc.subjectReflection coefficienten
dc.subjectDifferential equationsen
dc.subjectIlluminationen
dc.titleA Markov process model of ocean sedimentsen
dc.title.serialJournal of the Acoustical Society of Americaen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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