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  • 刘宗全,钱祖平,韩振平.一种共形宽带圆极化螺旋天线的设计[J].电讯技术,2011,51(11): - .    [点击复制]
  • LIU Zong-quan,QIAN Zu-ping,HAN Zhen-ping.Design of a conformal wideband circularly polarized spiral antenna[J].,2011,51(11): - .   [点击复制]
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一种共形宽带圆极化螺旋天线的设计
刘宗全,钱祖平,韩振平
0
(解放军理工大学,南京 210007;解放军理工大学,南京 210007; 东南大学 毫米波国家重点实验室,南京 210096)
摘要:
为满足共形天线低剖面特性的要求,设计并制作了一种低剖面的圆极化阿基米德螺 旋天线。天线利用单臂阿基米德螺旋结构实现圆极化辐射,并采用同轴探针馈电。实测结果 表明,天线在2~11.4 GHz的频率范围内回波损耗小于-10 dB,轴比小于3 dB 的频率范围为25~8.4 GHz。该天线结构简单,工作频带宽,且剖面极低,可作为多 种载体的共形天线使用。
关键词:  共形天线  圆极化  平面螺旋  宽带  低剖面
DOI:
基金项目:国家自然科学基金资助项目(60872046)
Design of a conformal wideband circularly polarized spiral antenna
LIU Zong-quan,QIAN Zu-ping,HAN Zhen-ping
()
Abstract:
In order to meet the demand of lowprofile property of conformal antenna, a low profile circularly polarized Archimedean spiral antenna is designed an d manufactured. The antenna realizes circular polarization by single Archimedean spiral arm which is fed by coaxial line. The measured results show that in 2~ 11.4 GHz the return loss is less than -10 dB. The bandwidth for AR (axi al ratio)<3 dB is 2.5~8.4 GHz.The antenna configuration is simple with wide bandwidth and especially its profile is extremely low. Therefore it can be used as conformal antenna for many kinds of carriers.
Key words:  conformal antenna  circular polarization  planar spiral  wideband  low profile
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