2007
DOI: 10.1088/1751-8113/40/13/011
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New physical wavelet ‘Gaussian wave packet’

Abstract: An exact solution of the homogeneous wave equation, which was found previously, is treated from the point of view of continuous wavelet analysis (CWA). If time is a fixed parameter, the solution represents a new multidimensional mother wavelet for the CWA. Both the wavelet and its Fourier transform are given by explicit formulas and are exponentially localized. The wavelet is directional. The widths of the wavelet and the uncertainty relation are investigated numerically. If a certain parameter is large, the w… Show more

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Cited by 34 publications
(30 citation statements)
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“…It has infinitely many zero moments with respect to spatial coordinates. As is shown in [22], its asymptotics coincides with the Morlet wavelet [9,10] as p → ∞ and the time t is fixed:…”
mentioning
confidence: 73%
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“…It has infinitely many zero moments with respect to spatial coordinates. As is shown in [22], its asymptotics coincides with the Morlet wavelet [9,10] as p → ∞ and the time t is fixed:…”
mentioning
confidence: 73%
“…We also consider exponentially localized physical wavelets found and generalized in [19,20,21], wavelet properties of which has been studied in [22].…”
Section: Introductionmentioning
confidence: 99%
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“…The The construction of the wavelets Ψ j is not so obvious, and we briefly discuss the procedure. The starting point for the wavelet construction is the 'Gaussian packet' [8,9]. We construct wavelets in the Fourier domain, because all calculations are performed in the Fourier domain by convolution.…”
Section: Poincaré Wavelets and The Wavelet Transform: Numerical Examplesmentioning
confidence: 99%
“…It is easy to see that the function (18) does not satisfy the admissibility condition (8), but the second derivative of it does. Just this derivative with a small modification is taken as a mother wavelet in the domains D 1,2 :…”
Section: Poincaré Wavelets and The Wavelet Transform: Numerical Examplesmentioning
confidence: 99%