A triple-band miniaturized end-fire antenna based on the odd modes of spoof surface plasmonic polariton(SSPP)waveguide resonator is proposed in this paper.To meet the ever increasing demand for more communication chan...A triple-band miniaturized end-fire antenna based on the odd modes of spoof surface plasmonic polariton(SSPP)waveguide resonator is proposed in this paper.To meet the ever increasing demand for more communication channels and less antenna sizes,multi-band antennas are currently under intensive investigation.By a novel feeding method,three odd modes are excited on an SSPP waveguide resonator,which performs as an end-fire antenna operating at three bands,7.15-7.26 GHz,11.6-12.2 GHz and 13.5-13.64 GHz.It exhibits reasonably high and stable maximum gains of 5.26 dBi,7.97 dBi and 10.1 dBi and maximum efficiencies of 64%,92%and 98%at the three bands,respectively.Moreover,in the second band,the main beam angle shows a frequency dependence with a total scanning angle of 19°.The miniaturized triple-band antenna has a great potential in wireless communication systems,satellite communication and radar systems.展开更多
从经典的多模谐振器出发,针对其插入损耗过大和阻带抑制较低的问题,提出了基于多模谐振器的超宽带带通滤波器新结构。通过奇偶模分析方法对其谐振特性和耦合特性进行了系统分析,利用ADS粗略仿真验证新结构的可行性,最后通过HFSS进行参...从经典的多模谐振器出发,针对其插入损耗过大和阻带抑制较低的问题,提出了基于多模谐振器的超宽带带通滤波器新结构。通过奇偶模分析方法对其谐振特性和耦合特性进行了系统分析,利用ADS粗略仿真验证新结构的可行性,最后通过HFSS进行参数优化,设计了一个中心频率6.5 GHz、相对带宽约为120%的超宽带带通滤波器,该滤波器整体性能良好,带外衰减十分陡峭,在11.5 GHz处达到45.5 d B,阻带宽度很宽,且具有插入损耗小、结构紧凑和尺寸小等优点。展开更多
基金supported in part by the Natural Science Foundation of Tianjin(No.19JCYBJC16100)the Tianjin Innovation and Entrepreneurship Training Program(No.202210060027)。
文摘A triple-band miniaturized end-fire antenna based on the odd modes of spoof surface plasmonic polariton(SSPP)waveguide resonator is proposed in this paper.To meet the ever increasing demand for more communication channels and less antenna sizes,multi-band antennas are currently under intensive investigation.By a novel feeding method,three odd modes are excited on an SSPP waveguide resonator,which performs as an end-fire antenna operating at three bands,7.15-7.26 GHz,11.6-12.2 GHz and 13.5-13.64 GHz.It exhibits reasonably high and stable maximum gains of 5.26 dBi,7.97 dBi and 10.1 dBi and maximum efficiencies of 64%,92%and 98%at the three bands,respectively.Moreover,in the second band,the main beam angle shows a frequency dependence with a total scanning angle of 19°.The miniaturized triple-band antenna has a great potential in wireless communication systems,satellite communication and radar systems.
文摘从经典的多模谐振器出发,针对其插入损耗过大和阻带抑制较低的问题,提出了基于多模谐振器的超宽带带通滤波器新结构。通过奇偶模分析方法对其谐振特性和耦合特性进行了系统分析,利用ADS粗略仿真验证新结构的可行性,最后通过HFSS进行参数优化,设计了一个中心频率6.5 GHz、相对带宽约为120%的超宽带带通滤波器,该滤波器整体性能良好,带外衰减十分陡峭,在11.5 GHz处达到45.5 d B,阻带宽度很宽,且具有插入损耗小、结构紧凑和尺寸小等优点。
