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基于六边形环状结构的双频段频率选择表面
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摘要
本文设计了一个工作在X波段和Ka波段的双频段FSS。该FSS整体结构为三层,上下两层为相同的六边形环状结构,中间层为六边形带状线。利用有限元分析软件HFSS对不同入射角下FSS的传输情况进行仿真分析。仿真结果表明,该结构在X波段和Ka波段有良好的频率选择特性,同时拥有较高的角度稳定性和极化稳定性。
In this letter,a dual-band Frequency selective surface(FSS)is designed to cover X and Ka bands.The FSS is composed of three layers,Top and bottom layers consist of hexagonal loops structure,the middle layer consist of hexagonal wir e grids.Commercial software HFSS is implemented to simulate the performance of the proposed FSS at different incident angles.The simulation results show that the FSS has the merits of broadband response at X-and Ka-band,higher angular stability and polarization stability.
引文
[1]J.Romeu and Y.Rahmat-Samii,“Fractal FSS:A novel dual-band frequency selective surface,”IEEE Trans.Antennas Propag.,vol.48,no.7,pp.1097-1105,Jul.2000.
    [2]T.K.Wu,“Four-band frequency selective surface with double square loop patch elements,”IEEE Trans.Antennas Propag.,vol.42,no.12,pp.1659-1663,Dec.1994.
    [3]J.Huang,T.K.Wu,and S.W.Lee,“Tri-band frequency selective surface with circular ring elements,”IEEETrans.Antennas Propag.,vol.42,no.2,pp.166-175,Feb.1994.
    [4]E.A.Parker and J.C.Vardaxoglou,“Plane-wave illumination of concentric-ring frequency selective surfaces,”Proc.Inst.Elect.Eng.,Microw,Opt.,Antennas,vol.132,pp.176-180,1985.
    [5]D.S.Lockyer,J.C.Vardaxoglou,and R.A.Simpkin,“Complementary frequency selective surfaces,”Proc.Inst.Elect.Eng.Microwave Antennas Propagat.,vol.147,pp.501-507,Dec.2000.

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