Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/5212
Título: Blind ocean acoustic tomography: experimental results on the INTIFANTE'00 data set
Autor: Jesus, S. M.
Soares, C.
Onofre, J.
Picco, O.
Data: 2002
Editora: ECUA
Citação: S.M. JESUS, C. SOARES, J. ONOFRE and P. PICCO, "Blind Ocean Acoustic Tomography: experimental results on the INTIFANTE'00 data set', ECUA'02, Gdansk, Poland, June.
Resumo: Blind Ocean Acoustic Tomography (BOAT) is an ocean remote exploration concept similar to acoustic tomography but where both the emitted signal waveform and the source osition are unknown. BOAT consists of a minimal environmental model of the area, a broadband matched- eld processor and a genetic algorithm search procedure. This paper presents the results obtained with BOAT on part of the data set acquired during the INTIFANTE'00 sea trial, where an acoustic source was towed along both range independent and range dependent paths, with source-receiver ranges varying from 500 m up to 5.5 km and water depths varying from 70 to 120 m. The results obtained on several hours of data, show that source range and depth can be used as focalizing parameters, together with the Bartlett power to indicate model tness. Using this three parameters it becomes clear when the environment is \in focus" and when it is \out of focus" leading to realiable estimates of the geometric and environmental parameters under estimation.
Peer review: no
URI: http://hdl.handle.net/10400.1/5212
ISBN: 83-907591-8-7
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