Full-Wave Finite-Difference Time-Domain Formulation for Gyromagnetic Ferrite Media Magnetized in Arbitrary Direction
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概要
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In this paper, we propose a full-wave finite-difference time-domain formulation for ferrite magnetized in arbitrary direction solving the equation of motion of the magnetization vector including magnetic loss with Maxwell's equation consistently. The FDTD formulation and algorithm for ferrite are derived from Gilbert's equation without making any restrictions on the direction of the magnetization. In order to confirm the validity and generality of the the axial independence of the formulation, full-wave analyses for a ferrite filled waveguide resonator are demonstrated and compared with theoretical results given from the conventional Polder's permeability tensor. The FDTD results of the quality factor and the resonant frequency of the resonators magnetized in off-axial direction agree very well with the theoretical results, and validity and generallty of the formulation are confirmed.
- 社団法人電子情報通信学会の論文
- 2001-07-01
著者
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Okubo K
Okayama Prefectural Univ. Okayama Jpn
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SANADA Atsushi
The Faculty of Electrical and Electronic Engineering, Yamaguchi University
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OKUBO Kensuke
The Faculty of Computer Science and System Engineering, Okayama Prefectural University
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AWAI Ikuo
The Faculty of Electrical and Electronic Engineering, Yamaguchi University
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Okubo Kensuke
The Faculty Of Computer Science And System Engineering Okayama Prefectural University
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Sanada Atsushi
The Faculty Of Computer Science And System Engineering Okayama Prefectural University
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Sanada Atsushi
The Faculty Of Electrical And Electronic Engineering Yamaguchi University
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Awai Ikuo
The Faculty Of Electrical And Electronic Engineering Yamaguchi University
関連論文
- Full-Wave Finite-Difference Time-Domain Formulation for Gyromagnetic Ferrite Media Magnetized in Arbitrary Direction
- FD-TD Analysis of Coaxial Probes Inserted into Rectangular Waveguides (Special Issue on Computational Electromagnetics)