Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/51980
Title: Analysis and simulation of wave records through fast Hartley transform
Authors: Rodríguez, Germán 
UNESCO Clasification: 2510 Oceanografía
Keywords: Wind waves
Wave simulation
Wave analysis
Fast Hartley transform
Fast Fourier transform, et al
Issue Date: 2003
Publisher: 0029-8018
Journal: Ocean Engineering 
Abstract: The Hartley transform, a real-valued alternative to the complex Fourier transform, is presented as an efficient tool for the analysis and synthesis of ocean surface wave records. Basic theoretical properties of this real-valued transform are briefly reviewed. Similarities and differences between Fourier and Hartley integral transforms, as well as computational benefits and disadvantages between numerical algorithms used to evaluate their discrete versions, are presented. The fast Hartley transform algorithm is used to simulate stationary Gaussian time series of the sea surface elevation and to estimate the spectral density function, the Hilbert transform and the envelope function of wave records.
URI: http://hdl.handle.net/10553/51980
ISSN: 0029-8018
DOI: 10.1016/S0029-8018(03)00077-5
Source: Ocean Engineering [ISSN 0029-8018], v. 30, p. 2255-2273
Appears in Collections:Artículos
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