パッチアンテナにより励振された磁化プラズマ中電磁界の空間回路網法による3次元時間応答解析

概要

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Recently, the elctromagnetic analysis of the radiation characteristics from antennas in the magnetized plasma is supposed to have more importance in the space communication or the plasma heating of nuclear fusion. For the analysis of these radiating characteristics, the unified consideration of the structure of the antenna and the medium condition is demanded. Also the very high-speed digital communication increases the usefullness of the time domain analysis. We have proposed a new numerical method for transient analysis in three-dimensional space. In the present method, magnetized cold plasma, that is, the gyroelectric anisotropy of dielectric tensor with dispersion, is formulated by adapting the trapezoidal rule to the equation of motion of charged particles in the magnetized plasma, and is expressed as the mutual coupling in the equivalent circuit. The simulation of the near field of a patch antenna is already reported. In this paper, the formulation of the magnetized cold plasma in three-dimensional space and in the time domain by the present method is summarized. Then, the analysis of the patch antenna in the magnetized plasma is described, and especially, the near field characteristics of the Faraday effect near the patch antenna are shown.
日本シミュレーション学会の論文
1989-12-15