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基于物理光学假设的导体表面电流密度误差分析

, PP. 660-664

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Abstract:

用物理光学法计算理想导体雷达散射截面过程中,需要基于无限大切平面假设计算表面电流密度.只有对表面比较光滑的电大尺寸目标,该假设才近似满足,而在一般情况下由该方法求得的表面电流密度存在误差.将二维导体圆柱、方柱以及三角柱等构型在不同入射频率、极化下的物理光学表面电流密度与精确解或矩量法结果进行了对比.分析表明横磁波照射时物理光学法除在顶点处有较大误差外,基本能够正确反映出表面电流密度分布情况.横电波情形下物理光学法难以如实反映照射面和阴影面电流的谐振变化,与入射方向平行的面上表面电流密度也有较大误差.

References

[1]  Letrou C,Boag A.Generalized multilevel physical optics (MLPO) for comprehensive analysis of reflector antennas[J].IEEE Transactions on Antennas and Propagation,2012,60(2):1182-1186
[2]  关莹,龚书喜,徐云学,等.适用于裁剪NURBS曲面RCS预估的改进的物理光学法[J].西安电子科技大学学报,2010,37(5):893-898 Guan Ying,Gong Shuxi,Xu Yunxue,et al.Improved PO technique for the RCS computation of targets modeled with trimmed NURBS surfaces[J].Journal of Xidian University,2010,37(5):893-898(in Chinese)
[3]  Liu Ziliang,Wang Chaofu.Efficient iterative method of moments physical optics hybrid technique for electrically large objects[J].IEEE Transactions on Antennas and Propagation,2012,60(7):3520-3525
[4]  陈博韬,雷振亚,谢拥军,等.基于改进物理光学法的电大目标双站RCS的预估[J].电波科学学报,2010,25(5):960-965 Chen Botao,Lei Zhenya,Xie Yongjun,et al.Bistatic RCS prediction with improved PO method for electrically large targets[J].Chinese Journal of Radio Science,2010,25(5):960-965(in Chinese)
[5]  关莹,龚书喜,张帅,等.时域物理光学法分析均匀介质目标的瞬态散射[J].电波科学学报,2011,26(3):515-520 Guan Ying,Gong Shuxi,Zhang Shuai,et al.Transient scattering analysis of electrically large homogeneous dielectric targets by using TDPO method[J].Chinese Journal of Radio Science,2011,26(3):515-520(in Chinese)
[6]  Zhang Jun,Yu Wenming,Zhou Xiaoyang,et al.Efficient evaluation of the physical optics integrals for conducting surfaces using the uniform stationary phase method[J].IEEE Transactions on Antennas and Propagation,2012,60(5):2398-2408
[7]  Li Jianbing,Wang Xuesong,Qu Longhai.Calculation of physical optics integrals over NURBS surface using a delaminating quadrature method[J].IEEE Transactions on Antennas and Propagation,2012,60(5):2388-2397
[8]  Huang K,He Z L,Zhang H W,et al.Efficient analysis of antenna around electrically large platform with improved non-uniform rational b-spline hybrid method of moments and physical-optics method[J].IET Microwaves Antennas and Propagation,2011,5(2):136-141
[9]  Tasic M S,Kolundzija B M.Efficient analysis of large scatterers by physical optics driven method of moments[J].IEEE Transactions on Antennas and Propagation,2011,59(8):2905-2915
[10]  姬金祖,刘战合.基于面元分组的电磁遮挡算法及其优化[J].北京航空航天大学学报,2009,35(4):453-456 Ji Jinzu,Liu Zhanhe.Electromagnetic occultation algorithm based on facets grouping and optimization[J].Journal of Beijing University of Aeronautics and Astronautics,2009,35(4):453-456(in Chinese)
[11]  Mohajer M,Safavi-Naeini S,Chaudhuri S K.Surface current source reconstruction for given radiated electromagnetic fields[J].IEEE Transactions on Antennas and Propagation,2010,58(2):432-439
[12]  Mohajer M,Safavi-Naeini S,Chaudhuri S K.Surface current source reconstruction for given radiated electromagnetic fields[J].IEEE Transactions on Antennas and Propagation,2010,58(2):432-439
[13]  何国瑜,卢才成,洪家才,等.电磁散射的计算和测量[M].北京:北京航空航天大学出版社,2006:196-204 He Guoyu,Lu Caicheng,Hong Jiacai,et al.Calculation and measurement of electromagnetic scattering[M].Beijing:Beihang University Press,2006:196-204(in Chinese)
[14]  关莹,龚书喜,徐云学,等.适用于裁剪NURBS曲面RCS预估的改进的物理光学法[J].西安电子科技大学学报,2010,37(5):893-898 Guan Ying,Gong Shuxi,Xu Yunxue,et al.Improved PO technique for the RCS computation of targets modeled with trimmed NURBS surfaces[J].Journal of Xidian University,2010,37(5):893-898(in Chinese)
[15]  陈博韬,雷振亚,谢拥军,等.基于改进物理光学法的电大目标双站RCS的预估[J].电波科学学报,2010,25(5):960-965 Chen Botao,Lei Zhenya,Xie Yongjun,et al.Bistatic RCS prediction with improved PO method for electrically large targets[J].Chinese Journal of Radio Science,2010,25(5):960-965(in Chinese)
[16]  关莹,龚书喜,张帅,等.时域物理光学法分析均匀介质目标的瞬态散射[J].电波科学学报,2011,26(3):515-520 Guan Ying,Gong Shuxi,Zhang Shuai,et al.Transient scattering analysis of electrically large homogeneous dielectric targets by using TDPO method[J].Chinese Journal of Radio Science,2011,26(3):515-520(in Chinese)
[17]  Li Jianbing,Wang Xuesong,Qu Longhai.Calculation of physical optics integrals over NURBS surface using a delaminating quadrature method[J].IEEE Transactions on Antennas and Propagation,2012,60(5):2388-2397
[18]  何国瑜,卢才成,洪家才,等.电磁散射的计算和测量[M].北京:北京航空航天大学出版社,2006:196-204 He Guoyu,Lu Caicheng,Hong Jiacai,et al.Calculation and measurement of electromagnetic scattering[M].Beijing:Beihang University Press,2006:196-204(in Chinese)
[19]  Jackson J A.Analytic physical optics solution for bistatic 3D scattering from a dihedral corner reflector[J].IEEE Transactions on Antennas and Propagation,2012,60(3):1486-1495
[20]  Jackson J A.Analytic physical optics solution for bistatic 3D scattering from a dihedral corner reflector[J].IEEE Transactions on Antennas and Propagation,2012,60(3):1486-1495
[21]  Letrou C,Boag A.Generalized multilevel physical optics (MLPO) for comprehensive analysis of reflector antennas[J].IEEE Transactions on Antennas and Propagation,2012,60(2):1182-1186
[22]  Umul Y Z.Physical optics scattering of waves by a half-plane with different face impedances[J].IEEE Antennas and Wireless Propagation Letters,2011,10:21-24
[23]  Liu Ziliang,Wang Chaofu.Efficient iterative method of moments physical optics hybrid technique for electrically large objects[J].IEEE Transactions on Antennas and Propagation,2012,60(7):3520-3525
[24]  Zhang Jun,Yu Wenming,Zhou Xiaoyang,et al.Efficient evaluation of the physical optics integrals for conducting surfaces using the uniform stationary phase method[J].IEEE Transactions on Antennas and Propagation,2012,60(5):2398-2408
[25]  Huang K,He Z L,Zhang H W,et al.Efficient analysis of antenna around electrically large platform with improved non-uniform rational b-spline hybrid method of moments and physical-optics method[J].IET Microwaves Antennas and Propagation,2011,5(2):136-141
[26]  Tasic M S,Kolundzija B M.Efficient analysis of large scatterers by physical optics driven method of moments[J].IEEE Transactions on Antennas and Propagation,2011,59(8):2905-2915
[27]  Umul Y Z.Physical optics scattering of waves by a half-plane with different face impedances[J].IEEE Antennas and Wireless Propagation Letters,2011,10:21-24

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