Fractional-Calculus-Based FDTD Algorithm for Ultrawideband Electromagnetic Characterization of Arbitrary Dispersive Dielectric Materials; IEEE Transactions on Antennas and Propagation; Vol. 64, iss. 8

Fractional-Calculus-Based FDTD Algorithm for Ultrawideband Electromagnetic Characterization of Arbitrary Dispersive Dielectric Materials; IEEE Transactions on Antennas and Propagation; Vol. 64, iss. 8

Bibliographic Details
Parent link:	IEEE Transactions on Antennas and Propagation Vol. 64, iss. 8.— 2016.— [P. 3533 - 3544]
Corporate Author:	Томский политехнический университет Институт кибернетики, ИК
Other Authors:	Karatelli (Caratelli) D. Diego, Mescia L. Luciano, Bia P. Pietro, Stukach O. V. Oleg Vladimirovich
Summary:	Title screen A novel finite-difference time-domain algorithm for modeling ultrawideband electromagnetic pulse propagation in arbitrary multirelaxed dispersive media is presented. The proposed scheme is based on a general, yet computationally efficient, series representation of the fractional derivative operators associated with the permittivity functions describing the frequency dispersion properties of a given dielectric material. Dedicated uniaxial perfectly matched layer boundary conditions are derived and implemented in combination with the basic time-marching scheme. Moreover, a total field/scattered field formulation is adopted in order to analyze the material response under plane-wave excitation. Compared with alternative numerical methodologies available in the scientific literature, the proposed technique features a significantly enhanced accuracy in the solution of complex electromagnetic propagation problems involving higher order dispersive dielectrics, such as the ones typically encountered in geoscience and bioengineering applications. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2016
Subjects:	труды учёных ТПУ электронный ресурс дисперсия диэлектрики математические модели диэлектрическая проницаемость аналитические модели dispersion dielectrics time-domain analysis mathematical model finite difference methods permittivity analytical models
Online Access:	https://doi.org/10.1109/TAP.2016.2578322
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=656784

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