Chapter
Apr 26, 2012
DAAT—A New Technique for Wave Directional Analysis
Publication: Ocean Wave Measurement and Analysis (2001)
Abstract
This work presents a new spectral technique for analysis of data from wave directional sensors. It is well known that one of the main problems in directional analysis is a poor spatial resolution due to the small number of sensors. The new technique can provide better resolution by detecting the occurrence of certain events along a record, i.e., waves of a given frequency range propagating in a well defined direction. The combination of these events allows for the computation of the energy directional distribution, D(θ), as well as for the values of spread for different seas and, at last, the directional spectrum. Some examples of wave climate of the Campos basin off Rio de Janeiro coast using this technique are shown.
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© 2002 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Associate Professor, Ocean Engineering Program, Federal University of Rio de Janeiro, 1. do Fundão, Rio de Janeiro, 21945-000, Rio de Janeiro, Brazil. E-mail: [email protected]
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