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Accession Number ADA571704
Title Seabed Scattering Model from Low Frequency Reverberation Measurements in Shallow Water.
Publication Date Sep 2011
Media Count 5p
Personal Author J. Zhou
Abstract LONG-TERM GOALS: The long-term goal of this work is: to develop a low-frequency (LF) seabed scattering model from shallow-water (SW) reverberation measurements. The model can be used to predict SW reverberation and echo-to-reverberation ratio in a frequency range of 100-3000 Hz, and to analyze LF seabed scattering mechanisms at low grazing angles (LGA), as well as to extract the LF seabed scattering parameters. OBJECTIVES: The scientific objectives of this research in FY2011 are: (1) To integrate the energy-flux method for SW reverberation with physics-based seabed scattering models in the angular domain; (2) To derive LF seabed scattering strength as a function of angle and frequency from SW reverberation measurements; and (3) To reveal the physics of the reverberation-derived LF seabed scattering function.
Keywords Acoustics
Low frequency
Measurement
Models
Ocean bottom
Ratios
Reverberation
Scattering
Shallow water

 
Source Agency Non Paid ADAS
NTIS Subject Category 47C - Physical & Chemical Oceanography
46A - Acoustics
Corporate Author Georgia Inst. of Tech., Atlanta. School of Mechanical Engineering.
Document Type Technical report
Title Note Annual rept.
NTIS Issue Number 1316
Contract Number N00014-11-1-0063

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