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用二维DCIM计算分层媒质中场源点不同层时的格林函数 被引量：2

Using two-dimensional DCIM to calculate Green function with source and field points locating in different layers in the layered medium
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摘要 采用二维离散复镜像法(discrete complex image method,DCIM)计算分层媒质中场点和源点不在同一层时的格林函数。运用二维旋转子空间不变法(estimation of signal parameters via rotational invariant tech-nique,ESPRIT)将谱域核函数表示成二维指数级数的形式,利用Sommerfeld恒等式得到场源点不同层情况下空域内的闭式格林函数,避免了插值方法的繁琐运算。数值仿真结果证明了其正确性和有效性。 A two-dimensional discrete complex image method（DCIM） is used to calculate the Green functions in the layered medium when field point and source point are located in different layers.Firstly the spectral kernel function is expressed as two-dimension exponential series by two-dimensional estimation of signal parameters via rotational invariant techniques（ESPRIT）,then Sommerfeld identity is used to get the closed-form Green functions in spatial domain.The numerical interpolation is avoided and numerical simulation results confirm the correctness of this method.
作者 廖飞龙 尹成友 杜红兵 覃开云
机构地区 电子工程学院 中国人民解放军
出处 《系统工程与电子技术》 EI CSCD 北大核心 2010年第8期1586-1590,共5页 Systems Engineering and Electronics
基金 国家自然科学基金(60671057)资助课题
关键词 分层媒质 Sommerfeld积分 二维离散复镜像法 二维ESPRIT方法 layered medium Sommerfeld integral two-dimensional discrete complex image method two-dimensional ESPRIT method
分类号 TM153 [电气工程—电工理论与新技术]
  • 相关文献

参考文献13

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共引文献3

同被引文献22

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系统工程与电子技术
2010年 第8期

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