Grupo de Ambiente Marinho > 1.1 Modelos espectrais e modelos de séries temporais da Agitação Marítima > Publicações

Pascoal, R. e Guedes Soares (2008), “Non-Parametric Wave Spectral Estimation Using Vessel Motions”, Applied Ocean Research, Vol. 30, pp. 46-53

This paper presents a numerical procedure to estimate the wave spectrum based on measured motions of vessels at zero advance speed. The procedure has an underlying non-parametric formulation which allows for a low constraint on spectral shape estimation. In order to make parameters readily available and provide smooth spectral shape, a parametric form is fitted by using minimization of squared errors between non-parametric and parametric forms. The parametric description is fast even for double peaked spectra due to the use of simplified numerical procedure for a-priori estimation of swell and wind sea spectral properties.

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http://www.sciencedirect.com/science/article/pii/S0141118708000163



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