| 破片穿孔毁伤对圆抛物面天线电性能影响的仿真计算 |
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| 引用本文： | 袁俊明,张庆明,刘彦.破片穿孔毁伤对圆抛物面天线电性能影响的仿真计算[J].弹箭与制导学报,2009,29(3). |
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| 作者姓名： | 袁俊明 张庆明 刘彦 |
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| 作者单位： | 1. 北京理工大学爆炸科学与技术国家重点实验室,北京,100081;中北大学化工与环境学院,太原,030051
2. 北京理工大学爆炸科学与技术国家重点实验室,北京,100081 |
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| 摘 要： | 研究圆抛物面天线在大量破片穿孔毁伤条件下的远场辐射特性规律,利用高频电磁场分析模块FEKO软件,基于表面电流积分的物理光学法和矩量法混合使用,对圆抛物面天线的远场辐射特性进行了建模与分析,比较了反射面完好时和不同密度破片对反射面穿孔毁伤后的电性能变化.着重研究了天线反射面在不同密度的破片毁伤后远场辐射特性随破片密度的变化规律,结果表明:反射面天线增益在破片穿孔密度一定大小范围内不变,但随穿孔密度的增大而逐渐减小.
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| 关 键 词： | 天线毁伤 破片 物理光学法 矩量法 远场辐射方向图 |
Simulation and Calculation of Influence of Fragment Damage to Performance of Antena with Paraboloid |
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| YUAN Junming,ZHANG Qingming,LIU Yan.Simulation and Calculation of Influence of Fragment Damage to Performance of Antena with Paraboloid[J].Journal of Projectiles Rockets Missiles and Guidance,2009,29(3). |
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| Authors: | YUAN Junming ZHANG Qingming LIU Yan |
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| Affiliation: | YUAN Junming1,2,ZHANG Qingming1,LIU Yan1(1 State Key Laboratory of Explosion Science , Technology,Beijing Institute of Technology,Beijing 100081,China,2 School of Chemical Engineering , Environment,North University of China,Taiyuan 030051,China) |
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| Abstract: | The far-field radiation characteristics of circle parabolic reflector subjected to fragments perforated damage was studied.The far field radiation characteristics of circle parabolic reflector was modeled and analyzed using the moment method and the method of physical optics based on surface current integration in the analysis model FEKO of electromagnetic field of high frequency characteristics.The comparison that the electrical performance changes when reflector is perfect and reflector is damaged by frag... |
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| Keywords: | antenna damage fragment PO method moment method far-field radiation pattern |
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