Fractional-Calculus-Based FDTD Algorithm for Ultrawideband Electromagnetic Characterization of Arbitrary Dispersive Dielectric Materials
| Parent link: | IEEE Transactions on Antennas and Propagation Vol. 64, iss. 8.— 2016.— [P. 3533 - 3544] |
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| Korporativní autor: | |
| Další autoři: | , , , |
| Shrnutí: | 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 |
| Jazyk: | angličtina |
| Vydáno: |
2016
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| Témata: | |
| On-line přístup: | https://doi.org/10.1109/TAP.2016.2578322 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=656784 |
MARC
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| 200 | 1 | |a Fractional-Calculus-Based FDTD Algorithm for Ultrawideband Electromagnetic Characterization of Arbitrary Dispersive Dielectric Materials |f D. Karatelli (Caratelli) [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 30 tit.] | ||
| 330 | |a 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. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t IEEE Transactions on Antennas and Propagation | ||
| 463 | |t Vol. 64, iss. 8 |v [P. 3533 - 3544] |d 2016 | ||
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a дисперсия | |
| 610 | 1 | |a диэлектрики | |
| 610 | 1 | |a математические модели | |
| 610 | 1 | |a диэлектрическая проницаемость | |
| 610 | 1 | |a аналитические модели | |
| 610 | 1 | |a dispersion | |
| 610 | 1 | |a dielectrics | |
| 610 | 1 | |a time-domain analysis | |
| 610 | 1 | |a mathematical model | |
| 610 | 1 | |a finite difference methods | |
| 610 | 1 | |a permittivity | |
| 610 | 1 | |a analytical models | |
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