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宽频带低副瓣平板波导缝隙天线设计
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摘要
本文介绍了一种Ku波段宽频带低副瓣平板波导缝隙天线设计,采用多模波导腔体缝隙天线单元和波导功分网络实现宽频带低副瓣。该宽频带低副瓣平板缝隙天线由3层结构组成,最上层为辐射缝隙层,中间层为多模波导腔体层,最下层为波导网络层。测试结果表明,该天线在15.15GHz~18.35GHz的工作频带内,端口驻波小于2.0,副瓣电平小于-22d B。
In this paper, a Ku-band broadband low side-lobe flat waveguide slots antenna is presented. The multimode waveguide slots antenna fed by waveguide network is used to attain broadband and low side-lobe.The antenna structure consists of 3 layers, the upper layer is the radiation slot plate, the middle layer is the multimode waveguide cavity plate, and the lower layer is the waveguide feed network plate. The measured results show that, in the frequency band of 15.15GHz~18.35 GHz, the VSWR<2.0 and the SLL<-22 d B.
引文
1孙绍国,张玉梅,卢晓鹏等.宽带超低副瓣天线阵设计,电讯技术,2006,3:87-92.
    2 丁晓磊,徐磊.宽频带高效率平板缝隙天线的研究,遥控遥测,2009,30(5):42-48.
    3 Guan-Long Huang,Shi-Gang Zhou,Tan-Huat Chio.Waveguide-Fed Cavity Backed Slot Antenna Array with High Efficiency in the Ku-Band,2012 IEEE-APS.
    4 Shi-Gang Zhou,Guan-Long Huang,Tan-Huat Chio,Jiang-Jun Yang,and Gao Wei.Design of a Wideband Dual-Polarization Full-Corporate Waveguide Feed Antenna Array,IEEE Transactions on Antennas and Propagation,Vol.63 ,No.11,pp:4775-4782,November 2015.
    5 H.-T.Zhang,W.Wang,M.-P.Jin and X.-P.Lu.A Dual-polarized Array Antenna for On-the-move Applications in Ku-band.IEEE-APS Topical Conference on Antenna and Propagation in Wireless Communications(IEEE APWC), 19 -23th September 2016,Cairns Australia.

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