Acoustic signal processing for ocean exploration
Kluwer Academic Publishers, 1993 - Computers - 676 pages
Acoustic Signal Processing for Ocean Explortion has two major goals: (i) to present signal processing algorithms that take into account the models of acoustic propagation in the ocean and; (ii) to give a perspective of the broad set of techniques, problems, and applications arising in ocean exploration.
The book discusses related issues and problems focused in model based acoustic signal processing methods. Besides addressing the problem of the propagation of acoustics in the ocean, it presents relevant acoustic signal processing methods like matched field processing, array processing, and localization and detection techniques. These more traditional contexts are herein enlarged to include imaging and mapping, and new signal representation models like time/frequency and wavelet transforms. Several applied aspects of these topics, such as the application of acoustics to fisheries, sea floor swath mapping by swath bathymetry and side scan sonar, autonomous underwater vehicles and communications in underwater are also considered.
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The Ocean Environment and Propagation
Matched Field Processing
Source Location Observability in the Underwater Multipath Acoustic Channel
22 other sections not shown
Acoustic Signal Processing Acoustical Soc algorithm ambiguity surface amplitude analysis angle annealing applications approximate array processing assumed attenuation bandwidth bathymetry beam beamforming bottom bubble cepstrum channel coefficients computed convergence correlation corresponding covariance matrix defined denotes density depth detection detector direction distribution Doppler echo echo sounder environment equation error estimate Figure filter Fourier transform frequency function Gaussian given horizontal hydrophone input inverse Kalman Kalman filter layer linear Lourtie eds Markov Markov chain matched field matched filter maximum likelihood measurements method mismatch mode multipath narrowband noise obtained Ocean Exploration operator output parameters performance phase problem Processing for Ocean processor range received recursive sampling scattering seafloor sensor sequence sidescan simulated solution sonar sound speed space spatial spectral spectrum structure target target strength techniques theorem transducer underwater acoustic values variables vector velocity vertical wave waveguide wavenumber zero