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Acoustic propagation models:
Head wave
A well known example of the interaction of a pulse wave with an interface (at 50 m depth). This interaction gives rise to a reflected and a refracted pulse wave, the former adds with a slight delay to the water wave creating a "head wave" and the other attenuates in the sediment. This example was obtained by O. Rodríguez at SiPLAB using the SPARC model developed by Mike Porter (see OALIB for more information). Other ocean acoustic propagation models installed and developed at SiPLAB can be found in here.Web Directory
Sea Trials
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acoustic data,
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Starting projects:
Vector sensor system for ocean exploration (SENSOCEAN - PTDC/EEA-ELC/104561/2008)
SENSOCEAN is a project aiming at developing an acoustic vector sensor array (VSA) for an underwater mobile platform (AUV) with application in acoustical exploration of the marine environment. Acoustic vector sensors measure both pressure and the three components of particle velocity. This project is funded by PTDC programme, with 197.445 Euro for 3 years. Starting date: January 1st, 2010. Partnership: CINTAL - Centro de Investigacao Tecnologica do Algarve. People involved: P. Felisberto (Coordinator), O. Rodriguez, P. Santos and S.M. Jesus (CINTAL). [...more]Top Articles:
Bayesian acoustic prediction assimilating oceanographic and acoustically inverted data,
J. of Marine Systems, 78, Sup.1, p.S349-S358, Nov. 2009
[PDF]
Adaptive spatial combining for passive time-reversed communications,
J. Acoust. Soc. America, 124(2), p.1038-1053, Aug. 2008 [PDF]
Environmental and Acoustic Assessment: the AOB concept J. of Marine Systems,
vol. 69, p.114-125, Jan. 2008[PDF].
Environmental Inversion Using High-Resolution Matched-Field Processing,
JASA, 122(6), p.3391-3404, Dec. 2007 [PDF]
Related Readings:
Acoustic REA
New integrated and easy to use tools for ocean observation,
data retrieval and information sharing. Reconfigurable sensor networks both for military and
civilian applications..[more].
Harbor protection
on going projects, developed equipment, technological tools,
sea trials and theoretical results [more].
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