| 时域电场积分方程中的奇异提取技术 |
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| 引用本文： | 周东明,刘锋,蔡明娟,任猛,何建国.时域电场积分方程中的奇异提取技术[J].国防科技大学学报,2006,28(6):43-46. |
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| 作者姓名： | 周东明 刘锋 蔡明娟 任猛 何建国 |
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| 作者单位： | 国防科技大学,电子科学与工程学院,湖南,长沙,410073 |
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| 摘 要： | 介绍了一种基于奇异提取技术的时域积分方程中奇异积分的处理方法,在奇异提取过程中,电磁波传播的延迟效应对积分的贡献包含在内。数值实验表明该方法能够大幅提高自作用和近作用阻抗矩阵元素的计算精度。
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| 关 键 词： | 奇异积分 时域电场积分方程 阻抗矩阵 |
| 文章编号： | 1001-2486(2006)06-0043-04 |
| 收稿时间： | 2006/4/10 0:00:00 |
| 修稿时间： | 2006年4月10日 |
Singularity Extraction Technique for TD-EFIE |
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| ZHOU Dongming,LIU Feng,CAI Mingjuan,REN Meng and HE Jianguo.Singularity Extraction Technique for TD-EFIE[J].Journal of National University of Defense Technology,2006,28(6):43-46. |
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| Authors: | ZHOU Dongming LIU Feng CAI Mingjuan REN Meng and HE Jianguo |
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| Institution: | College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | A time domain singularity extraction technique is presented to calculate singular integrals in time domain electric field integral equation solver.In singularity extraction procedure,the time-retardation effects in time domain integrals are included.Numerical examples demonstrate that the presented method can greatly increase the accuracy of calculation of the self-interaction and near-interaction impedance matrix elements. |
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| Keywords: | singular integral time domain electric field integral equation impedance matrix |
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