| 多媒质虚拟媒质法及其在地下通信电缆电磁屏蔽计算中的应用 |
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| 引用本文： | 邹军,袁建生,马信山.多媒质虚拟媒质法及其在地下通信电缆电磁屏蔽计算中的应用[J].中国电机工程学报,2000,20(5):30-33. |
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| 作者姓名： | 邹军 袁建生 马信山 |
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| 作者单位： | 清华大学电机系基本电工教研组,北京,100084 |
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| 摘 要： | 考虑媒质局部不均匀的特点,建立了多媒质虚拟媒质法,并应用该方法进行地下通信电缆电磁屏蔽特性的分析计算。对于任意形状的不均匀多媒质区域,有限元剖分仅限于局部区域,所以该算法具有计算机容量需求少和计算时间短的显著优点。
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| 关 键 词： | 电磁屏蔽 计算 地下通信电缆 多媒质虚拟媒质法 |
| 修稿时间： | 1999-07-12 |
MULTI-MEDIA FICTITIOUS METHOD AND ITS APPLICATION IN ELECTROMAGNETIC SHIELDING CALCULATIONS FOR THE UNDERGROUND TELECOMMUNICATION CABLE |
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| ZOU Jun,YUAN Jian-sheng,MA Xin-shan.MULTI-MEDIA FICTITIOUS METHOD AND ITS APPLICATION IN ELECTROMAGNETIC SHIELDING CALCULATIONS FOR THE UNDERGROUND TELECOMMUNICATION CABLE[J].Proceedings of the CSEE,2000,20(5):30-33. |
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| Authors: | ZOU Jun YUAN Jian-sheng MA Xin-shan |
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| Abstract: | A fictitious
media method is presented, which takes locally non-uniform media characters into account
in the multi-media region. The pertinent electromagnetic shielding analysis of underground
telecommunication cables is carried out by means of this numerical algorithm. For an
arbitrary profile consisting of several media, the finite element meshing is merely
confined to the fictitious media region, so the prominent advantages of this method are
requiring much less computer memories and saving large amount of computing time. |
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| Keywords: | fictitious media telecommunication cable electromagnetic shielding |
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