Results 21 to 30 of about 61 (61)

The integral wavelet transform in weighted Sobolev spaces

open access: yesAbstract and Applied Analysis, Volume 7, Issue 3, Page 135-142, 2002., 2002
The integral wavelet transform is defined in weighted Sobolev spaces, in which some properties of the transform as well as its asymptotical behaviour for small dilation parameter are studied.
Nguyen Minh Chuong, Ta Ngoc Tri
wiley   +1 more source

Métodos tiempo-frecuencia basados en la transformada wavelet

open access: yes, 2012
La información contenida en una señal analógica se evidencia por su representación numérica. El par de Fourier en dos representaciones complementarias explicita las estructuras temporales y frecuenciales. Para detectar y caracterizar eventos que combinan
Fabio, Marcela   +5 more
core   +1 more source

Inversion Formulas for the q-Riemann-Liouville and q-Weyl Transforms Using Wavelets [PDF]

open access: yes, 2007
Mathematics Subject Classification: 42A38, 42C40, 33D15, 33D60This paper aims to study the q-wavelets and the continuous q-wavelet transforms, associated with the q-Bessel operator for a fixed q ∈]0, 1[.
Binous, Wafa   +2 more
core  

On Y. Nievergelt's Inversion Formula for the Radon Transform [PDF]

open access: yes, 2010
Mathematics Subject Classification 2010: 42C40, 44A12.In 1986 Y. Nievergelt suggested a simple formula which allows to reconstruct a continuous compactly supported function on the 2-plane from its Radon transform. This formula falls into the scope of the
Rubin, B., Ournycheva, E.
core  

Theoretical aspects of a multiscale analysis of the eigenoscillations of the earth

open access: yes, 2003
The elastic behaviour of the Earth, including its eigenoscillations, is usually described by the Cauchy-Navier equation. Using a standard approach in seismology we apply the Helmholtz decomposition theorem to transform the Fourier transformed Cauchy ...
Michel, Volker
core   +1 more source

On the Quotient Function Employed in the Blind Source Separation Problem [PDF]

open access: yes, 2010
MSC 2010: 42C40, 94A12On the blind source separation problem, there is a method to use the quotient function of complex valued time-frequency informations of two ob-served signals.
Fujita, K.
core  

Empirical wavelet analysis of tail and memory properties of LARCH and FIGARCH models

open access: yes
Heavy tails, Long memory, Volatility, Wavelets, 62M10, 42C40,
Piotr Kokoszka, Agnieszka Jach
core   +1 more source

Wavelet-based functional reconstruction and extrapolation of fractional random fields

open access: yes
Fractional-order pseudo-differential model, random field, inverse problem, least-squares linear estimation, wavelet, AMS subject classification, 60G60, 62M20, 42C40,
María Ruiz-Medina   +2 more
core   +1 more source

Energy wavelet analysis of time series

open access: yes, 2002
In this paperwe will approach the analysis of time series by the discrete Haar wavelet trasnform and by the energy distribution. it is shown that the wavelet coefficients are strictly related to the scheme of finite differences, thus giving information ...
Ciancio, Armando, Cattani, Carlo
core  

Construction of Wavelet Frames Using Lifting Like Schemes

open access: yes, 2011
The unitary extension principle and mixed extension principles are used to construct Parseval frames. Some desired properties like the order of vanishing moment of a frame is one of the common property in applications. The number of vanishing moment of a
Ghanshyam Bhatt
core  

Home - About - Disclaimer - Privacy