| 任意取向多个介质旋转椭球的散射场 |
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| 引用本文： | 吴振森,汤炜,李清亮,吴信宝.任意取向多个介质旋转椭球的散射场[J].电子学报,2003,31(4):638-640. |
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| 作者姓名： | 吴振森 汤炜 李清亮 吴信宝 |
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| 作者单位： | 1. 西安电子科技大学理学院,陕西西安 710071;2. 中国电波传播研究所,河南新乡 453003;3. 上海微波技术研究所,上海 200063 |
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| 基金项目： | 国家自然科学基金项目 (No 60 0 81 0 0 2 ) |
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| 摘 要： | 本文提出了一种用于计算任意取向多个介质椭球电磁散射的混合方法.利用扩展边界条件(EBC)导出具有旋转轴对称单个椭球以球面波矢量函数为基底的T矩阵,结合球矢量波函数旋转定理和递推T矩阵方法,给出多个任意取向介质椭球的散射场.数值例子验证了该混合方法的计算精度和有效性.
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| 关 键 词： | 任意取向介质椭球 扩展边界条件法 T矩阵方法 电磁散射 |
| 文章编号： | 0372-2112(2003)04-0638-03 |
| 收稿时间： | 2001-11-17 |
Scattering of Multiple Spheroids with Arbitrary Orientations |
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| WU Zhen-sen ,TANG Wei ,LI Qing-liang ,WU Xin-bao.Scattering of Multiple Spheroids with Arbitrary Orientations[J].Acta Electronica Sinica,2003,31(4):638-640. |
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| Authors: | WU Zhen-sen TANG Wei LI Qing-liang WU Xin-bao |
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| Affiliation: | 1. Science of School,Xidian University,Xi'an,Shaanxi 710071,China;2. China Research Institute Radiowave Propagation,Xinxiang,Henan 453003,China;3. Shanghai Research Institute of Microwave Technology,Shanghai 200063,China |
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| Abstract: | This paper presents a hybrid scheme for calculation many dielectric spheroids in arbitrary orientations.Firstly,the T matrix of single particle with symmetrical axis is obtained by extend boundary condition method,and that of the prolate spheroids,as an example,can be work out easily.Then combining with vector spherical wave functions rotation theory and recursive T matrix algorithm,the scheme can figure out the scattering field of many spheroids in arbitrary orientations.Verifications of the method are provided with numerical examples. |
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| Keywords: | dielectric spheroid with arbitrary orientation extend boundary condition (EBC) T matrix method electromagnet scattering |
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