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新型超宽带共面波导结构天线的设计
引用本文:尹应全,廖昆明,王瑞峰,尹国武.新型超宽带共面波导结构天线的设计[J].海军航空工程学院学报,2013,28(1):33-36.
作者姓名:尹应全  廖昆明  王瑞峰  尹国武
作者单位:91911部队,海南三亚572000
摘    要:设计了一款共面波导馈电的新型超宽带平面天线,该天线印刷在介电常数为4.4的FR4覆铜介质基板上,尺寸为20mm×30min×1.2mm,利用仿真软件HFSS对天线参数进行优化仿真。调节辐射贴片上各枝节的长度与宽度,通过不同谐振点的耦合来展宽频带宽度,可实现天线频带宽度为3-11.7GHz(S11〈-10dB),相对带宽达到119%。按照优化尺寸对天线进行加工,实测数据与仿真值基本吻合。结果表明,该天线不仅可以实现超宽频带,而且结构简单,尺寸小,易于集成。

关 键 词:超宽带天线  共面波导  谐振耦合  HFSS仿真

Design of Novel Ultra-Wideband Coplanar Waveguide Structure Antenna
YIN Ying-quan,LIAO Kun-ming,WANG Rui-feng and YIN Guo-wu.Design of Novel Ultra-Wideband Coplanar Waveguide Structure Antenna[J].Journal of Naval Aeronautical Engineering Institute,2013,28(1):33-36.
Authors:YIN Ying-quan  LIAO Kun-ming  WANG Rui-feng and YIN Guo-wu
Institution:(The 91911st Unit of PLA,Sanya Hainan 572000,China)
Abstract:A CPW-fed novel uhra-wideband coplanar waveguide planar antenna was designed. The antenna was etched on a copper-cladding substrate with relative dielectric constant 4.4 (20mm×30min×1.2mm). The parameters of the antenna were simulated and optimized with HFSS. Adjusting the length and width of the minors on the radiating patch, the coupling of the resonance point was used to widen bandwidth. The results showed that the bandwidth (return loss≤-10 dB) was from 3-11.7 GHz that meant a relative bandwidth of 119%. The antenna was designed in accordance with the optimization of the size of the antenna, the data of software simulating and the measured data was consistent.The results showed that the proposed antenna could not only realize the uhra-wideband, and simple structure, small size, ease of integration.
Keywords:ultra-wideband antenna  coplanar waveguide  resonance coupling  HFSS simulation
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