Wavelet decomposition of forced turbulence: Applicability of the iterative Donoho-Johnstone threshold

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We examine the decomposition of forced Taylor-Green and Arn'old-Beltrami-Childress (ABC) flows into coherent and incoherent components using an orthonormal wavelet decomposition. We ask whether wavelet coefficient thresholding based on the Donoho-Johnstone criterion can extract a coherent vorte...

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Detalles Bibliográficos
Autores principales: Lord, J.W., Rast, M.P., Mckinlay, C., Clyne, J., Mininni, P.D.
Formato: Artículo publishedVersion
Publicado: 2012
Materias:
Coherent vortices
Forcings
Gaussian random noise
Gaussians
Spatial correlations
Wavelet coefficient thresholding
Gaussian distribution
Wavelet decomposition
Data compression
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10706631_v24_n2_p_Lord
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_10706631_v24_n2_p_Lord_oai
Aporte de:
Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires

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