| 多层结构超宽带平衡对跖缝隙天线的性能仿真与分析 |
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| 引用本文： | 吕文俊,程勇,朱洪波.多层结构超宽带平衡对跖缝隙天线的性能仿真与分析[J].南京邮电大学学报(自然科学版),2011,31(4). |
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| 作者姓名： | 吕文俊 程勇 朱洪波 |
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| 作者单位： | 1. 南京邮电大学江苏省无线通信重点实验室,江苏南京210003;东南大学毫米波国家重点实验室,江苏南京210096
2. 南京邮电大学江苏省无线通信重点实验室,江苏南京,210003 |
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| 基金项目： | 国家自然科学基金(61001079); 教育部博士学科点专项科研基金(20093223120005); 东南大学毫米波国家重点实验室开放课题(K200902); 江苏省高校自然基金(10KJB510007); 南京邮电大学攀登计划(NY208035,NY210003,NY210007)资助项目 |
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| 摘 要： | 利用等效原理和电-磁组合振子理论,分析了具有低交叉极化特性的多层超宽带平衡对跖缝隙天线的工作原理,并通过数值仿真,详细研究了调谐枝节形状对带内匹配、交叉极化特性和天线增益的影响。结果表明,调谐枝节形状对超宽带天线的回波损耗特性有较明显的影响,而对天线的辐射影响较小。此研究工作将为低交叉极化特性超宽带平衡对跖缝隙天线的优化设计提供理论依据。
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| 关 键 词： | 超宽带天线 多层 对跖 缝隙天线 低交叉极化 |
Simulation and Analysis of Multi-layered Balanced Antipodal Ultra-wideband(UWB) Slot Antennas |
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| LV Wen-jun,CHENG Yong,ZHU Hong-bo.Simulation and Analysis of Multi-layered Balanced Antipodal Ultra-wideband(UWB) Slot Antennas[J].Journal of Nanjing University of Posts and Telecommunications,2011,31(4). |
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| Authors: | LV Wen-jun CHENG Yong ZHU Hong-bo |
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| Institution: | LV Wen-jun1,2,CHENG Yong1,ZHU Hong-bo1(1.Jiangsu Key Laboratory of Wireless Communications,Nanjing University of Posts and Telecommunications,Nanjing 210003,China2.State Key Laboratory of Millimeter Waves,Southest University,Nanjing 210096,China) |
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| Abstract: | Operating principle of multi-layered balanced antipodal ultra-wideband(UWB) slot antennas having low cross-polarization characteristics are analyzed first by employing equivalent principle and theory of electrical-magnetic composite dipoles.The effects of the tuning stubs' shapes on the antennas' impedance matching,cross-polarization and gain are then investigated by using full-wave electromagnetic simulator.It is shown that the tuning stubs' shapes affect the antennas' return loss more significantly than t... |
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| Keywords: | ultra-wideband antennas multi-layered antipodal slot antenna low cross-polarization |
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