新型微带反射阵单元的设计及其应用
Design of a novel multi-resonance microstrip reflectarray element and its application
查看参考文献11篇
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文摘
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提出了一种单层的具有多谐振结构的微带反射阵单元,利用高频电磁仿真软件 Ansoft HFSS对其反射相位特性进行仿真分析,获得了约430°的反射相位动态范围,并且反射相位曲线的线性度较好.根据此单元设计了一个工作在Ku波段的微带反射阵,用指数渐变槽线(Vivaldi)天线作为该反射阵的馈源.仿真结果表明:在中心频率处增益可达27.1 dB,半功率波瓣宽度均为4.96°,在12~15.5GHz的频带内增益波动约2 dB,具有较宽的频带.将此Vivaldi天线和反射阵天线进行加工测试,得到的测试结果与仿真结果吻合较好. |
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其他语种文摘
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A novel single layer microstrip reflectarray element with multi-resonance structure is proposed in this paper.HFSS soft ware is used to analyze the reflect phase for the designed element.About 430°reflect phase range is obtained with the reflect phase curve nearly linear.A microstrip reflectarray composed of the proposed element is designed for Ku band and a Vivaldi antenna is used as the feed.The results indicate that the gain reaches 27.1 dB at the center frequency,and the half power beamwidth is 4.96°.The gain changes less than 2 dB in the range of 12~15.5GHz,which shows that the reflectarray has wide band.The Vivaldi antenna and the reflectarray is manufactured and tested,and a well coincide is obtained between the simulation results and the test results. |
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来源
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电波科学学报
,2015,30(3):571-575 【核心库】
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DOI
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10.13443/j.cjors.2014062701
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关键词
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微带反射阵
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多谐振结构
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Vivaldi天线
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宽频带
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地址
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中国科学院空间科学与应用研究中心, 中国科学院微波遥感技术重点实验室, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-0388 |
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学科
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电子技术、通信技术 |
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文献收藏号
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CSCD:5461574
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参考文献 共
11
共1页
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