| 计算介质体瞬态散射矩阵元素方法的改进 |
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| 引用本文： | 蔡明娟,周东明,刘锋,任猛,何建国.计算介质体瞬态散射矩阵元素方法的改进[J].国防科技大学学报,2006,28(6):68-71. |
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| 作者姓名： | 蔡明娟 周东明 刘锋 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： | 针对求解均匀介质体的瞬态电磁散射问题,采用基于MOT的方法求解Müller方程来分析,对分析中矩阵元素的积分求解,提出了一种奇异分离方法。该方法考虑了时间项延迟的影响,减小了计算中的近似,提高了计算精度。验证表明,和原算法相比,新算法在近奇异处理上的误差很小。
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| 关 键 词： | 均匀介质 瞬态电磁散射 MOT 奇异分离 |
| 文章编号： | 1001-2486(2006)06-0068-04 |
| 收稿时间： | 2006/4/15 0:00:00 |
| 修稿时间： | 2006年4月15日 |
Improvement of Computing Matrix Elements in Analyzing Transient Scattering of Dielectric Bodies |
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| CAI Mingjuan,ZHOU Dongming,LIU Feng,REN Meng and HE Jianguo.Improvement of Computing Matrix Elements in Analyzing Transient Scattering of Dielectric Bodies[J].Journal of National University of Defense Technology,2006,28(6):68-71. |
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| Authors: | CAI Mingjuan ZHOU Dongming LIU Feng 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: | To analyze the transient scattering of homogeneous dielectric bodies, the Müller equations with MOT method were chosen. A singularity-extraction technique was presented to calculate the integrals of matrix elements, which considers the time delay effect. It could reduce the approximate value and improve the accuracy. The calculation specifies that the new method has lower-level errors in near singularity than the common method. |
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| Keywords: | homogeneous dielectric transient electromagnetic scattering MOT singularity-extraction |
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