Dale D. Ellis, John R. Preston, Heinz G. Urban
Kluwer Academic Publishers, 1993 - Technology & Engineering - 403 pages
This volume comprises over fifty contributions resulting from the Ocean Reverberation Symposium, held 25 - 29 May 1992 in La Spezia, Italy. The contributions are presented in eight sections: Scattering Mechanisms, High Frequency Measurements and Mechanisms, Reverberation Modelling, ARSRP Mid-Atlantic Ridge Experiment, Low Frequency Measurements, Volume Scattering, Signal Processing Issues, and Applications respectively.
This book addresses the emerging trends in ocean reverberation research. The availability of high-power, low-frequency sources and highly directional arrays has brought with it the tools, and the need, to study long-range reverberation. The use of projector sources and various waveforms rather than explosives allows the use of signal processing techniques to enhance the extraction of information about the reverberation and scattering processes.
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Properties of bubble distributions relevant to surface reverberation
Sound scattering from microbubble distributions near the sea surface
Theoretical modeling of low frequency acoustic scattering from
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1993 Kluwer Academic analysis approximation ARSRP azimuthal backscattering strength bathymetry beam beamforming bistatic bottom backscattering bottom reverberation bottom scattering boundary broadband Center component computed correlation covariance matrix D.D. Ellis dependence depth doppler effects energy environment equation estimate field Figure finite difference function Gaussian grazing angle Gulf of Alaska horizontal hydrophone input interface Ionian Sea Kluwer Academic Publishers Lambert's Law line array low frequency low grazing angle matched filter matrix Naval Research Laboratory Norwegian Sea Ocean Reverberation output parameters plot predictions processing propagation pulse range receiver region resonance reverberation data reverberation level rough sea surface seafloor sediment shallow water shear shown in Fig shows signal simulation slope sonar sound speed spatial spectral Stennis Space Center surface scattering swimbladder target strength technique towed transmission loss Undersea Underwater velocity vertical volume reverberation volume scattering strength wave waveforms wavelength wavenumber wind speed