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Using the echo pattern to range a sound source
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Resumo(s)
One of the currently exciting areas in SONAR
research is in the use of acoustic channel models to improve SONAR systems. In this paper, we use the echo pattern at a single phone to localise a sound source in both range and depth in the ocean. To make the localisation robust, the signal processing is
set-up with particular regard to which acoustic features are reliable and clear encoders of the source position. The resulting algorithm was tested using experimental data collected during INTIMATE’96- a shallow water experiment
conducted on the Portuguese continental shelf[1]. The results show successful tracking over a period of several days encompassing two fixed 25-hour stations and an 18-hour period of ship manoeuvres.
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Contexto Educativo
Citação
M.B. PORTER, S.M. JESUS, Y. STEPHAN, X. DÈMOULIN, E.F. COELHO, ``Using the echo pattern to range a sound source'' in Proceedings of First International Symposium on Physics in Signal and Image Processing, Paris.