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Acoustic phase measurements from volume scatter in the ocean

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dc.contributor.author Huston, Robert Delmar
dc.date.accessioned 2014-11-12T19:03:20Z
dc.date.available 2014-11-12T19:03:20Z
dc.date.copyright 1987 en_US
dc.date.issued 2014-11-12
dc.identifier.uri http://hdl.handle.net/1828/5724
dc.description.abstract A primary goal of this thesis has been to demonstrate that stable, useful measurements of the orientation of the acoustic signal vector as a function of range and time can be obtained from ocean backscatter, and that this orientation, or acoustic phase, can be related to the local sound speed distribution. Such a measurement is quite distinct from the related problem of detecting the rate of phase change, which forms the basis of Doppler technology. Doppler measurements can be made using echoes from a single point, or a sparsely distributed set of targets. Consistent and useful measurement of absolute phase, is inherently more difficult, since it depends upon the positions of individual scatterers, which are normally random and sparse relative to the acoustic wavelength. en_US
dc.language English eng
dc.language.iso en en_US
dc.subject underwater acoustics en_US
dc.subject backscattering en_US
dc.subject echo sounding en_US
dc.subject seawater en_US
dc.subject sound-waves en_US
dc.subject diffraction en_US
dc.title Acoustic phase measurements from volume scatter in the ocean en_US
dc.type Thesis en_US
dc.contributor.supervisor Farmer, David M.
dc.contributor.supervisor Horita, Robert Eiji
dc.degree.department Department of Physics and Astronomy en_US
dc.degree.level Doctor of Philosophy Ph.D. en_US
dc.rights.temp Available to the World Wide Web en_US
dc.description.scholarlevel Graduate en_US


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