| X波段双层16单元正方形径向线螺旋子阵的设计 |
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| 引用本文： | 李相强,刘庆想,赵柳,张健穹. X波段双层16单元正方形径向线螺旋子阵的设计[J]. 微波学报, 2010, 26(2) |
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| 作者姓名： | 李相强 刘庆想 赵柳 张健穹 |
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| 作者单位： | 西南交通大学物理科学与技术学院,成都,610031 |
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| 摘 要： | 矩形径向线螺旋子阵的设计是高功率高增益径向线螺旋阵列天线研究的基础,提出并设计了一个X波段双层16单元正方形径向线螺旋子阵,阐述了子阵的工作原理,简要介绍了X波段的辐射单元和耦合探针,重点分析了双层径向线馈电系统,从而得到了一个X波段的子阵模型,并对其进行了数值模拟,结果表明该子阵在8.6～10.1GHz的频带范围内,天线反射系数小于0.1,在9.0～10.0GHz的频带范围内,天线增益大于18.45dB,副瓣电平小于-11.68dB,轴比值小于1.66。
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| 关 键 词： | 螺旋天线 正方形子阵 阵列天线 耦合探针 |
Design of X-Band 16-Element Double-Layer Radial Line Helical Square Sub-array |
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| LI Xiang-qiang,LIU Qing-xiang,ZHAO Liu,ZHANG Jian-qiong. Design of X-Band 16-Element Double-Layer Radial Line Helical Square Sub-array[J]. Journal of Microwaves, 2010, 26(2) |
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| Authors: | LI Xiang-qiang LIU Qing-xiang ZHAO Liu ZHANG Jian-qiong |
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| Affiliation: | LI Xiang-qiang,LIU Qing-xiang,ZHAO Liu,ZHANG Jian-qiong(School of Physical Science , Technology,Southwest Jiaotong University,Chengdu 610031 China) |
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| Abstract: | The design of radial line helical rectangular sub-array is the basis of the investigation of high-power high gain radial line helical array antenna.An X-band 16-element double-layer radial line helical square sub-array is proposed and designed.Its fundamental conception of operation is presented,the radiation elements,coupling probes and feeding system are designed,and the sub-array model is simulated.In the range of 8.6~10.1 GHz,this sub-array shows a reflection coefficient of below 0.1.In the range of 9.0... |
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| Keywords: | Helical antenna Square sub-array Antenna array Coupling probe |
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