| 散射目标近区口径面天线与目标相互影响的研究 |
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| 引用本文： | 王显德,张玉胜.散射目标近区口径面天线与目标相互影响的研究[J].微波学报,1996,12(4):315-319. |
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| 作者姓名： | 王显德 张玉胜 |
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| 作者单位： | 西安交通大学微波工程与光通信技术研究所 西安710049
(王显德，张玉胜，汪文秉)，西安交通大学微波工程与光通信技术研究所 西安710049(章锡元) |
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| 摘 要： | 本文用FDTD方法在散射目标近区对口径面天线与目标的相互影响进行了分析研究,在圆柱坐标系下以轴对称数值模型为例,用FDTD方法得出了散射目标电尺寸、目标与口径面天线的距离大小对天线口径面的场分布之影响的数值结果;同时获得了散射目标表面物理光学近似计算散射电流的应用范围.用圆波导中模式理论验证了方法的有效性
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| 关 键 词： | 电磁散射 时域有限差分法 口径面天线 |
Study on the Interaction Between Scatterer and Aperture Antenna in The Scatterer's Near Zone |
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| Wang Xiande,Zhang Yusheng,Wang Wenbing,Zhang Xiyuan.Study on the Interaction Between Scatterer and Aperture Antenna in The Scatterer''s Near Zone[J].Journal of Microwaves,1996,12(4):315-319. |
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| Authors: | Wang Xiande Zhang Yusheng Wang Wenbing Zhang Xiyuan |
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| Abstract: | In this paper, the interaction between scatterer and aperture antenna situated in the scatterer' s near zone is studied and simulated by using the FDTD method. The numerical model with axial symmetry in cylindrical coordinates is chosen as an example,for different distance between the scatterer and the antenna,the numerical results of electric field distribution on the antenna's aperture are obtained. The application range of physical optics method in computing surface current on the scatterer is also given . The validity of this method is verified by mode theory in the circular waveguide. |
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| Keywords: | Electromagnetic scattering Finite-difference time-domain method Apenure anten- |
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