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Shoreline directional wave spectra Part 1 : an investigation of spectral and directional analysis techniques

Chadwick, A. J. and Pope, D. J. and Borges, J. and Ilic, Suzana (1995) Shoreline directional wave spectra Part 1 : an investigation of spectral and directional analysis techniques. Proceedings of the ICE - Water Maritime and Energy, 112 (3). pp. 198-208. ISSN 0965-0946

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Abstract

Spectral and directional analysis techniques are investigated, with particular reference to the measurement of shoreline wave fields. The directional energy densities have been determined using the direct Fourier transform and maximum Likelihood methods. The maximum likelihood method (MLM) has been shown to produce good estimates for a 4 sensor star array system by using synthetically generated data sets. However, the MLM was found to suffer from instability which was overcome by suitable modifications to the basic spectral analysis. It was also found that the results can be very sensitive to various controlling parameters, and a range of sensitivity tests was carried out resulting in a recommended set of analysis procedures.

Item Type: Article
Journal or Publication Title: Proceedings of the ICE - Water Maritime and Energy
Uncontrolled Keywords: FLOW BORE MODEL ; SEDIMENT TRANSPORT ; NUMERICAL-MODEL ; BROKEN WAVES
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 71699
Deposited By: ep_importer_pure
Deposited On: 11 Nov 2014 10:03
Refereed?: Yes
Published?: Published
Last Modified: 30 Aug 2017 14:33
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/71699

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