Results 21 to 30 of about 163,902 (301)
A Hilbert transform for hermitean matrix functions on fractal domains [PDF]
, 2012 We consider Holder continuous circulant (2 × 2) matrix functions defined on the fractal boundary of a Jordan domain in R2n. The main goal is to establish a Hilbert transform for such functions, within the framework of Hermitean Clifford analysis. This is
Abreu Blaya, Ricardo +4 more
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Archives of Metallurgy and Materials, 2015 In this work, we present a novel Hilbert-twin method to compute an envelope and the logarithmic decrement, δ, from exponentially damped time-invariant harmonic strain signals embedded in noise.
Magalas L.B., Majewski M.
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Vector valued inequalities for families of bilinear Hilbert transforms and applications to bi-parameter problems [PDF]
, 2012 Muscalu, Pipher, Tao and Thiele \cite{MPTT} showed that the tensor product between two one dimensional paraproducts (also known as bi-parameter paraproduct) satisfies all the expected $L^p$ bounds.
Bateman +11 more
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On Finite Hilbert Transforms [PDF]
Transactions of the American Mathematical Society, 1975 Let E be a bounded measurable subset of the real line. The finite Hilbert transform is the operator HE defined on one of the spaces LP(E) (1 1, the Hilbert transform of f at x is defined by (1) Hf(x) = li (rmi) f f(tXt -x) 1dt, provided this latter limit exists. It is known that if f is in LP(R), for p > 1, then Hf exists a.e.
openaire +1 more source
Criterion on Lp1×Lp2→Lq-Boundedness for Oscillatory Bilinear Hilbert Transform
Abstract and Applied Analysis, 2014 We investigate the bilinear Hilbert transform with oscillatory factors and the truncated bilinear Hilbert transform.
Zuoshunhua Shi, Dunyan Yan
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Alternating Sunspot Area and Hilbert Transform Analysis [PDF]
Journal of Astronomy and Space Sciences, 2011 We investigate the sunspot area data spanning from solar cycles 1 (March 1755) to 23 (December 2010) in time domain. For this purpose, we employ the Hilbert transform analysis method, which is used in the field of information theory.
Bang-Yeop Kim, Heon-Young Chang
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Computing Instantaneous Frequency by normalizing Hilbert Transform [PDF]
, 2005 This invention presents Normalized Amplitude Hilbert Transform (NAHT) and Normalized Hilbert Transform(NHT), both of which are new methods for computing Instantaneous Frequency. This method is designed specifically to circumvent the limitation set by the
Norden E. Huang
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Generalized multidimensional Hilbert transforms in Clifford analysis
International Journal of Mathematics and Mathematical Sciences, 2006 Two specific generalizations of the multidimensional Hilbert transform in Clifford analysis are constructed. It is shown that though in each of these generalizations some traditional properties of the Hilbert transform are inevitably lost, new bounded ...
Fred Brackx +2 more
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ON THE SUMMABILITY OF THE DISCRETE HILBERT TRANSFORM
Ural Mathematical Journal, 2018 In this paper, we study the asymptotic behavior of the distribution function of the discrete Hilbert transform of sequences from the class \(l_{1} \) and find a necessary condition and a sufficient condition for the summability of the discrete Hilbert ...
Rashid A. Aliev, Aynur F. Amrahova
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SPECTRAL ESTIMATION OF TIME SERIES
Современная наука и инновации, 2022 As a result of spectral analysis, namely, the fast Fourier transform (FFT) method, the wavelet transform method, the Hilbert-Huang transform method, certain periods of the time series representing the monthly average values of the sunspot numbers were ...
L. N. Dzhimbeeva +5 more
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