| 电磁波在磁化等离子体中传播的时域有限差分模拟 |
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| 引用本文： | 黄守江,李芳.电磁波在磁化等离子体中传播的时域有限差分模拟[J].计算物理,2005,22(4):319-324. |
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| 作者姓名： | 黄守江 李芳 |
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| 作者单位： | 中国科学院电子学研究所,北京,100080;中国科学院电子学研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金(批准号:10375071,60271027)，国防科技重点实验室(51486020203ZK1301)资助项目 |
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| 摘 要： | 基于Z变换形式的时域有限差分法计算公式,模拟了传播方向垂直于磁化磁场的电磁波在磁化等离子体层中的传播.通过离散傅立叶变换,给出了电磁波通过均匀和非均匀磁化等离子体后的反射系数和透射系数随频率的变化关系.还给出了电磁波经过均匀磁化等离子体层后的反射和透射系数和理论值的对比.
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| 关 键 词： | 时域有限差分 Z变换 磁化等离子体 反射系数 透射系数 |
| 文章编号： | 1001-246X（2005）04-0319-06 |
| 收稿时间： | 2004-03-05 |
| 修稿时间： | 2004-12-06 |
A Finite-Difference Time-Domain Analysis of Electromagnetic Propagation in Magnetized Plasmas |
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| HUANG Shou-jiang,LI Fang.A Finite-Difference Time-Domain Analysis of Electromagnetic Propagation in Magnetized Plasmas[J].Chinese Journal of Computational Physics,2005,22(4):319-324. |
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| Authors: | HUANG Shou-jiang LI Fang |
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| Institution: | Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | Electromagnetic propagation through a magnetized plasma is studied with the finite-difference time-domain(FDTD) method by means of Z transforms. The propagation direction is perpendicular to the biasing magnetic filed and the electric field is parallel to the biasing magnetic filed. The dependence of the reflection and transmission coefficients on frequency is obtained by discrete Fourier transform. A comparison with analytical values of homogeneous magnetized plasma is made. The reflection and transmission coefficients in an inhomogeneous magnetized plasma layer are calculated as well. |
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| Keywords: | finite-difference time-domain Z transform magnetized plasma reflection coefficient transmission coefficient |
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