Feature-oriented acoustic tomography of a coastal thermal front
Hermand, J.P.; Carriere, O.; Stephan, Y. (2010). Feature-oriented acoustic tomography of a coastal thermal front, in: IEEE (Ed.) Oceans 2010 MTS/IEEE Seattle. Innerspace: A Global Responsibility. Seattle, Washington, USA, September 20-23, 2010. Oceans (New York),
In: IEEE (Ed.) (2010). Oceans 2010 MTS/IEEE Seattle. Innerspace: A Global Responsibility. Seattle, Washington, USA, September 20-23, 2010. Oceans (New York). IEEE: New York. ISBN 978-1-4244-4333-8. , more
In: Oceans (New York). IEEE: New York. ISSN 0197-7385, more
The continuous monitoring of coastal processes presents a great interest both from the environmental and economic viewpoints. Passive acoustic tomography can be a good candidate to provide synoptic measurements over wide areas while a range-dependent inversion scheme allows to achieve a reasonable spatial resolution along each vertical slice section. This work develops a feature-oriented parameterization scheme for acoustic tomography purposes, enabling the tracking of the main structure of a thermal front. A Kalman algorithm filters sequentially acoustic data recorded on a vertical array, in a frequency regime corresponding to a usefull part of ship noise spectrum.
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