Results 41 to 50 of about 5,978 (203)
Scale-discretised ridgelet transform on the sphere [PDF]
, 2019 We revisit the spherical Radon transform, also called the Funk-Radon transform, viewing it as an axisymmetric convolution on the sphere. Viewing the spherical Radon transform in this manner leads to a straightforward derivation of its spherical harmonic ...
candes +12 more
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Legendre Wavelet Neural Networks for Power Amplifier Linearization
Applied Mathematics, 2014 In this paper, a novel technique for power amplifier (PA) linearization is presented. The Legendre wavelet neural networks (LWNN) is first utilized to model PA and inverse structure of the PA by applying practical transmission signals and the gradient descent algorithm is applied to estimate the coefficients of the LWNN.
Xiaoyang Zheng +2 more
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Energies, 2023 The stability of a hybrid AC-DC microgrid depends mainly upon the bidirectional interlinking converter (BIC), which is responsible for power transfer, power balance, voltage solidity, frequency and transients sanity. The varying generation from renewable
Muhammad Awais +4 more
doaj +1 more source
Legendre wavelet embedded NeuroFuzzy algorithms for multiple FACTS
International Journal of Electrical Power & Energy Systems, 2016 Abstract Since their inception, damping of Low Frequency Oscillations (LFOs) has been a critical issue in electric power systems. Voltage Source Converter (VSC) based Flexible AC Transmission Systems (FACTS) have a renowned capability for rapid regulation of various network quantities and combat LFOs when equipped with efficient supplementary damping
Rabiah Badar, Laiq Khan
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A Legendre wavelet collocation method for solving neutral delay differential equations
Miskolc Mathematical NotesThe Legendre wavelet based method has been employed in this paper to investigate neutral delay differential equations. The highest order derivative is approximated by Legendre wavelet using the integral operator technique.
Uzair Ahmed +3 more
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, 2018 In this paper, we propose and analyze a spectral Chebyshev-Legendre approximation for fractional order integro-differential equations of Fredholm type. The fractional derivative is described in the Caputo sense.
Babolian, E. +3 more
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S2LET: A code to perform fast wavelet analysis on the sphere [PDF]
, 2012 We describe S2LET, a fast and robust implementation of the scale-discretised wavelet transform on the sphere. Wavelets are constructed through a tiling of the harmonic line and can be used to probe spatially localised, scale-depended features of signals ...
Leistedt, B. +3 more
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3D weak lensing with spin wavelets on the ball [PDF]
, 2015 We construct the spin flaglet transform, a wavelet transform to analyze spin signals in three dimensions. Spin flaglets can probe signal content localized simultaneously in space and frequency and, moreover, are separable so that their angular and radial
Kitching, Thomas D. +3 more
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Alexandria Engineering Journal, 2018 A mathematical model of an immobilized enzyme system with Michaelis-Menten mechanism for an irreversible reaction is discussed. The model is developed on the basis of diffusion equations containing a nonlinear term related to Michaelis-Menten (M-M ...
M. Salai Mathi Selvi +3 more
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Talbot effect for dispersion in linear optical fibers and a wavelet approach
, 2005 We shortly recall the mathematical and physical aspects of Talbot's self-imaging effect occurring in near-field diffraction. In the rational paraxial approximation, the Talbot images are formed at distances z=p/q, where p and q are coprimes, and are ...
Cabrera, H. +3 more
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