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混合场积分方程结合MLFMA分析导体介质复合目标电磁散射问题 被引量：8

Analysis of EM Scattering by Composite Conducting and Dielectric Object Using Combined Field Integral Equation with MLFMA
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摘要 针对组合目标电磁散射问题,采用一类新的混合场积分方程进行分析.通过合理选择比例系数组合表面电场和磁场积分方程,构造出具有良好收敛性的阻抗矩阵.MLFMA的迭代求解采用广义最小残差方法(GMRES),结合预条件技术进一步减少迭代次数,加速计算并提高处理电大尺寸导体介质复合目标的能力,研究了几类典型目标电磁散射特性并比较了计算效率,数值算例验证了该方法的准确性和高效性. A new combined field integral equation is proposed to analyze the electromagnetic scattering for composite conducting and dielectric object.Through properly choosing the coupling coefficients of the equations,the resultant matrix equation achieves better convergence properties.The restarted generalized minimum residual method（GMRES）is applied in the multilevel fast multipole algorithm（MLFMA）and preconditioning technique is used to further improve the convergence rate.Numerical exampies are presented to compare the efficiency of different methods and show the validity and high efficiency of proposed method.
作者 阙肖峰 聂在平 胡俊
机构地区 电子科技大学电子工程学院
出处 《电子学报》 EI CAS CSCD 北大核心 2007年第11期2062-2066,共5页 Acta Electronica Sinica
基金 国家自然科学基金重点项目(No.60431010) 国家973重点基础研究发展规划(No.6136001)
关键词 电磁散射 导体介质复合目标 多层快速多极子方法 混合场积分方程 预条件 electromagnetic scattering composite conducting and dielectric object multilevel fast multipole algorithm（MLFMA） combined field integral equation（CFIE） preconditioning technique
分类号 TN011 [电子电信—物理电子学]
  • 相关文献

参考文献15

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二级参考文献22

  • 1胡俊 聂在平.用最陡下降快速多极子法求解三维大纵横比导体目标散射.第四届中国电子学会青年学术研讨会（CIE－YC'98）论文集[M].北京,..
  • 2胡俊 聂在平.用快速多极子方法（FMM）求解二维质柱电磁散射.第二届计算电磁学研讨会（SCEM'98）论文集[M].,1998.47-50.
  • 3胡俊 聂在平.三维大纵横比目标电磁散射的快速精确求解.中国电子学会第八届全国天线学术年会论文论文集[M].,1998,8..
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  • 5胡俊，第四届中国电子学会青年学术研讨会（CIE-YC’98）论文集，1998年，655页
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共引文献42

同被引文献98

  • 1李江海,阙肖峰,胡静伟,聂在平.基于阻抗边界条件建模的涂敷目标电磁散射分析[J].微波学报,2015,31(1):7-11. 被引量：2
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  • 7Nie Zaiping,Ma Wenmin,Ren Yi,et al.A Wide-Band Electromagnetic Scattering Analysis Using MLFMA with Higher Order Hierarchical Vector Basis Functions[J].IEEE Transactions on Antennas and Propagation,2009,57(10):3169-3178.
  • 8Nie Zaiping,Yan Su,He Shiquan,et al.On the Basis Functions with Traveling Wave Phase Factor for Efficient Analysis of Scattering from Electrically Large Targets[J].Progress In Electromagnetics Research,2008,PIER 85:83-114.
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  • 10Hu Jun,Nie Zaiping.Improved Electric Field Integral Equation(IEFIE)for Analysis of Scattering from 3D Conducting Structures[J].IEEE Trans.on EMC,2007,49(3):644-648.

引证文献8

二级引证文献13

电子学报
2007年 第11期

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