Verification of a Bayesian method for estimating directional spectra from HF radar surface backscatter

Noriaki Hashimoto; Lucy R. Wyatt; Shoichiro Kojima

doi:10.1142/S0578563403000725

Verification of a Bayesian method for estimating directional spectra from HF radar surface backscatter

Noriaki Hashimoto, Lucy R. Wyatt, Shoichiro Kojima

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

A Bayesian method for estimating directional wave spectra from the Doppler spectra obtained by HF radar is examined using data acquired during the SCAWVEX project. Applicability, validity and accuracy of the Bayesian method are demonstrated compared with the directional spectrum observed by a directional buoy. In addition the estimated spectra are compared with Wyatt (1990) and the Bayesian method is found to be more robust against noise. Necessary conditions of the Doppler spectral components to be used to estimate a reliable directional spectrum for the present method are also discussed.

Original language	English
Pages (from-to)	255-274
Number of pages	20
Journal	Coastal Engineering Journal
Volume	45
Issue number	2
DOIs	https://doi.org/10.1142/S0578563403000725
Publication status	Published - Jun 2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Modelling and Simulation
Ocean Engineering

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10.1142/S0578563403000725

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abstract = "A Bayesian method for estimating directional wave spectra from the Doppler spectra obtained by HF radar is examined using data acquired during the SCAWVEX project. Applicability, validity and accuracy of the Bayesian method are demonstrated compared with the directional spectrum observed by a directional buoy. In addition the estimated spectra are compared with Wyatt (1990) and the Bayesian method is found to be more robust against noise. Necessary conditions of the Doppler spectral components to be used to estimate a reliable directional spectrum for the present method are also discussed.",

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year = "2003",

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AU - Hashimoto, Noriaki

AU - Wyatt, Lucy R.

AU - Kojima, Shoichiro

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AB - A Bayesian method for estimating directional wave spectra from the Doppler spectra obtained by HF radar is examined using data acquired during the SCAWVEX project. Applicability, validity and accuracy of the Bayesian method are demonstrated compared with the directional spectrum observed by a directional buoy. In addition the estimated spectra are compared with Wyatt (1990) and the Bayesian method is found to be more robust against noise. Necessary conditions of the Doppler spectral components to be used to estimate a reliable directional spectrum for the present method are also discussed.

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Verification of a Bayesian method for estimating directional spectra from HF radar surface backscatter

Abstract

All Science Journal Classification (ASJC) codes

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