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Inversion techniques are used to infer bottom sedimentary characteristics using AN/SQS-53C Reverberation Level (RL) data gathered during Exercise LWAD 99-1. Analysis was conducted to determine the correlation between sediment type and beam RL time series statistics, including slope and detrended higher order statistics (standard deviation, skew, and kurtosis). A geographic contour plot of the spatial distribution of sediments was generated from the deviation of the RL slope of individual beamform data from the area-wide average RL slope. The resulting plot shows features similar to that of the pre-exercise sedimentary characterization map. Higher order statistics are found to be non- Gaussian which has signal processing implications.
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Inversion of shallow water bottom sediment properties using AN/SQS-53C reverberation level data from exercise LWAD 99-1
1999, Naval Postgraduate School, Available from National Technical Information Service
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Edition Notes
"September 1999".
Thesis advisor(s): Robert H. Bourke, James H. Wilson.
Thesis (M.S. in Physical Oceanography) Naval Postgraduate School, September 1999.
Includes bibliographical references (p. 107-110).
Approved for public release; distribution unlimited.
Also Available online.
Mode of access: World Wide Web.
System Requirements: Adobe Acrobat reader.
US Navy (USN) author.
dk/dk cc:9116 03/02/00
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