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任意形状电大散射体附近天线受扰方向图的快速分析

陈铭 赵勋旺 梁昌洪

陈铭, 赵勋旺, 梁昌洪. 任意形状电大散射体附近天线受扰方向图的快速分析[J]. 电子与信息学报, 2007, 29(11): 2787-2790. doi: 10.3724/SP.J.1146.2006.00585
引用本文: 陈铭, 赵勋旺, 梁昌洪. 任意形状电大散射体附近天线受扰方向图的快速分析[J]. 电子与信息学报, 2007, 29(11): 2787-2790. doi: 10.3724/SP.J.1146.2006.00585
Chen Ming, Zhao Xun-wang, Liang Chang-hong. Fast Analysis of Antenna around Arbitrary Shaped Scatterer[J]. Journal of Electronics & Information Technology, 2007, 29(11): 2787-2790. doi: 10.3724/SP.J.1146.2006.00585
Citation: Chen Ming, Zhao Xun-wang, Liang Chang-hong. Fast Analysis of Antenna around Arbitrary Shaped Scatterer[J]. Journal of Electronics & Information Technology, 2007, 29(11): 2787-2790. doi: 10.3724/SP.J.1146.2006.00585

任意形状电大散射体附近天线受扰方向图的快速分析

doi: 10.3724/SP.J.1146.2006.00585

Fast Analysis of Antenna around Arbitrary Shaped Scatterer

  • 摘要: 该文采用基于非均匀有理B样条曲面(NURBS)建模的物理光学方法结合矩量法(MoM-PO)分析任意形状电大散射体附近天线的受扰方向图。采用插值驻相点技术加快了方向图的计算速度。文章推导了基于有理贝齐尔曲面的物理光学散射场计算公式,采用驻相法(SPM)计算有理贝齐尔曲面上的物理光学感应电流积分从而得到物理光学散射场,并利用物理光学散射场迭代矩量法区域的电压矩阵。通过与传统平面片建模的物理光学方法的计算结果对比,说明该文方法的有效性和计算速度快的优点。
  • Perez J and Catedra M F. RCS of electrically large targets modeled with NURBS surfaces[J].Electronics Letters.1992, 28(12):1119-1121[2]Perez J and Catedra M F. Application of physical optics to the RCS computation of bodies modeled with NURBS surfaces[J].IEEE Trans. on Antennas Propagat.1994, 42(10):1404-1411[3]Domingo M, Rivas F, and Perez J. Computation of the RCS of complex bodies modeled using NURBS surfaces[J].IEEE Antennas and Propagation Magazine.1995, 37(6):36-47[4]Perez J, Saiz A, and Conde M. Analysis of antennas on board arbitrary structures modeled by NURBS surfaces[J].IEEE Trans. on Antennas Propagat.1997, 45(6):1045-1053[5]Hu Jin-Lin, Lin Shi-Ming, and Wang Wen-Bing. Computation of PO integral on NURBS surface and its application to RCS calculation[J].Electronics Letters.1997, 33(3):239-240[6]Conde M, Perez J, and Catedra M F. Stationary phase method application for the analysis of radiation of complex 3-D conducting structures[J].IEEE Trans. on Antennas Propagat.2001, 49(5):724-730[7]Chen Ming, Zhang Yu, and Liang Chang-hong. Calculation of the field distribution near electrically large NURBS surfaces with physical-optics method[J].J. of Electromagn. Waves and Appl.2005, 19(11):1511-1524[8]Chen Ming, Zhang Yu, and Liang Chang-Hong. Calculation of field distribution near electrically large NURBS surface Illuminated with a Dipole. Asia-Pacific microwave Conference, SuZhou, China, December 4-7, 2005.[9]Jakobous U, and Landstorfer F M. Improved PO-MM hybrid formulation for scattering from three dimensional perfectly conducting bodies of arbitrary shape[J].IEEE Trans on Antennas Propagat.1995, 43(1):162-169[10]Borovikov V A. Uniform Stationary Phase Method, 1st edition, United Kingdom, The Institution of Electrical Engineers, 1994: 79-116.
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出版历程
  • 收稿日期:  2006-05-08
  • 修回日期:  2006-10-08
  • 刊出日期:  2007-11-19

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