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三维复杂目标近区散射场的计算

Keywords: 有限元算法,球面波,近区散射场,广义雷达散射截面

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Abstract:

针对复杂目标近场电磁散射特性问题,应用有限元全波数值方法计算复杂目标在赫兹偶极子辐射球面波照射下的散射特性.由于有限元方法所计算的区域有限,为精确获得目标近区散射场,通过已得输出面上电流源和磁流源,推导得出空间中任意位置处的散射电场严格表达式,并将其用于计算复杂目标的近区广义雷达散射截面.通过数值试验验证该严格计算公式的正确性,展示该方法对复杂目标近场电磁散射特性问题的有效性.

References

[1]  李铁,马岸英.近场RCS标定问题研究[J].制导与引信,1996,17(4):65-69. Li Tie,Ma Anying. Research on calibration problem of near-field RCS[J]. Guidance & Fuze,1996,17(4):65-69. (in Chinese)
[2]  张京国, 梁晓庚.基于物理光学法和面原法的目标近场RCS计算[J].探测与控制学报, 2008, 30(6):42-45. Zhang Jingguo, Liang Xiaogen. Calculating near-field RCS of targets based on physical-optics method and panel method[J]. Journal of Detection & Control, 2008, 30(6):42-45. (in Chinese)
[3]  金灿民, 许家栋, 韦高.复杂目标近场电磁散射的可视化计算方法[J].电波科学学报, 1998, 13(3):241-244. Jin Canmin, Xu Jiadong, Wei Gao. Visual method of near-field em scattering computation for complex targets[J]. Chinese Journal of Radio Science, 1998, 13(3):241-244. (in Chinese)
[4]  陶建锋,盛孝鹏,孙青.复杂目标的近场散射特性分析[J].现代雷达,2006,28(10):75-78. Tao Jianfeng,Sheng Xiaopeng,Sun Qin. Analysis to near field scattering characteristics of complex targets[J]. Modern Radar,2006,28(10):75-78. (in Chinese)
[5]  盛新庆.电磁波论述[M].北京:科学出版社, 2007. Sheng Xingqing. Electromagnetic exposition[M]. Beijing: Science Press, 2007. (in Chinese)
[6]  盛新庆.计算电磁学要论[M].2版.合肥:中国科学技术大学出版社, 2008. Sheng Xinqing. A brief treatise on computational electromagnetics[M]. 2nd ed. Hefei: China Science and Technology University Press, 2008. (in Chinese)
[7]  Taylor J M. On the concept of near field radar cross section[C]//Proceedings of IEEE Antennas and Propagation Society International Symposium. Montreal. Quebec, Canada: IEEE, 1997:1172-1175.

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