| 两层介质中运动垂直时谐偶极子产生的电磁场 |
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| 引用本文： | 毛伟,周萌,余刃. 两层介质中运动垂直时谐偶极子产生的电磁场[J]. 武汉理工大学学报(交通科学与工程版), 2011, 35(5). DOI: 10.3963/j.issn.1006-2823.2011.05.049 |
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| 作者姓名： | 毛伟 周萌 余刃 |
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| 作者单位： | 1. 海军工程大学船舶与动力学院 武汉430033
2. 海军工程大学训练部 武汉430033 |
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| 基金项目： | 国防“十一五”装备预研项目资助(批准号:51303030505-01) |
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| 摘 要： | 基于时谐电磁场的麦克斯韦方程,利用在两层介质情况下的矢量磁位边值条件,然后经过狭义相对论的洛仑兹变换,求解出匀速运动的垂直时谐电偶极子在介质中产生的电磁场的表达式,文章最后以深海中低速运动的极低频垂直时谐偶极子为例,运用基于汉克尔变换式的FFT变换算法对所得到的磁场解析式进行了数值计算,并且通过分析计算结果得出有价值的结论.
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| 关 键 词： | 垂直时谐偶极子 麦克斯韦方程 洛伦兹变换 电磁场 |
Electromagnetic Fields Produced by a Moving Vertically-directed Time-harmonic Dipole in the Two-layer Medium |
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| Mao Wei,Zhou Meng,Yu Ren. Electromagnetic Fields Produced by a Moving Vertically-directed Time-harmonic Dipole in the Two-layer Medium[J]. journal of wuhan university of technology(transportation science&engineering), 2011, 35(5). DOI: 10.3963/j.issn.1006-2823.2011.05.049 |
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| Authors: | Mao Wei Zhou Meng Yu Ren |
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| Affiliation: | Mao Wei1) Zhou Meng2) Yu Ren1) (Ship and Power College,Naval University of Engineering,Wuhan 430033,China)1)(Department of Training,China)2) |
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| Abstract: | On the base of harmonic electromagnetic MAXWELL equations and the vector boundary conditions in the two-layer medium,and also on the base of the basic principle of the special theory of relativity and Lorentz transformation,expressions of the electromagnetic fields produced by a moving vertically-directed time-harmonic dipole located in the lower layer are derived.In the end,taking a ELF time-harmonic dipole moving slowly in the deep ocean for example,numerical calculations of the electromagnetic fields are... |
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| Keywords: | vertically-directed time-harmonic dipole MAXWELL equation lorentz transformation electromagnetic field |
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