基于锥形天线的超宽带微带-波导转换的研究
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摘要
提出了一种新型的微带-波导转换器,利用锥形天线实现其传输的超宽带和端射特性.将单片微波集成电路(MMIC)兼容的天线插入到矩形波导的E平面中,可以实现TE10主导模式传输.采用这种新的天线耦合方式,可以实现紧凑的结构设计和低成本的制造,而不需要多层衬底或侧壁开槽的波导结构.研究表明:在机械对准情况下,设计的超宽带(Ultra-Wide-Band)天线耦合的微带转波导连接器在6～50 GHz频带内,回波损耗优于-10 d B,电压驻波比(VSWR)小于1.22.
A novel device of microstrip-to-waveguide transition is proposed,which utilizes a tramped antenna to achieve its transmission qualities of ultra-wide band and end-fire radiation. This Monolithic-Microwave IntegratedCircuit( MMIC)-compatible antenna is inserted in the E-plane of the rectangular waveguide to launch the TE10 dominant mode. With this new excitation scheme,compact design and low-cost manufacturing are obtained without the need of multi-layer substrates or waveguide sidewall slits. The study shows that,under mechanical alignment,the designed microstrip-to-waveguide connector coupled with Ultra-Wide-Band( UWB) antenna has obtained a return loss better than-10 dB and a Voltage Standing Wave Ratio( VSWR) less than 1.22 within the band( 6-50 GHz).
A novel device of microstrip-to-waveguide transition is proposed,which utilizes a tramped antenna to achieve its transmission qualities of ultra-wide band and end-fire radiation. This Monolithic-Microwave IntegratedCircuit( MMIC)-compatible antenna is inserted in the E-plane of the rectangular waveguide to launch the TE10 dominant mode. With this new excitation scheme,compact design and low-cost manufacturing are obtained without the need of multi-layer substrates or waveguide sidewall slits. The study shows that,under mechanical alignment,the designed microstrip-to-waveguide connector coupled with Ultra-Wide-Band( UWB) antenna has obtained a return loss better than-10 dB and a Voltage Standing Wave Ratio( VSWR) less than 1.22 within the band( 6-50 GHz).
引文
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[3]李广,邓键.基于光子射频波高次倍频的深度融合通信研究[J].华南师范大学学报(自然科学版),2018,50(3):14-18.LI G,DENG J. Research on deeply converged communication system based on photonic-RF wave via high order frequency-beating[J]. Journal of South China Normal University(Natural Science Edition),2018,50(3):14-18.
[4] ZHANG H,GAO S,LI D,et al. On superimposed pilot for channel estimation in multicell multiuser MIMO uplink:large system analysis[J]. IEEE Transactions on Vehicular Technology,2016,65(3):1492-1505.
[5]梁瑞生,易俐璇,韦中超,等.基于圆角矩形结构的表面等离子体激元滤波器与光开关[J].华南师范大学学报(自然科学版),2016,48(6):44-49.LIANG R S,YI L X,WEI Z C,et al. Plasmonic filter and electro-optical switch based on rectangular cavity with two half circle ends[J]. Journal of South China Normal University(Natural Science Edition),2016,48(6):44-49.
[6]徐兴恺,梁瑞生,于哲,等.基于金属表面等离子激元的侧耦合半圆形腔-波导透射谱分析[J].华南师范大学学报(自然科学版),2013,45(2):64-68.XU X K,LIANG R S,YU Z,et al. Spectrum analysis of side-coupled semicircular cavity-waveguide based on surface plasmon polaritons[J]. Journal of South China Normal University(Natural Science Edition),2013,45(2):64-68.
[7] GUO Y X,RUAN Y F,SHI X Q. Wide-band stacked double annular-ring dielectric resonator antenna at the end-fire mode operation[J]. IEEE Transactions on Antennas&Propagation,2005,53(10):3394-3397.
[8] KRANENBURG R A,LONG S A. Microstrip transmission line excitation of dielectric resonator antennas[J]. Electronics Letters,1988,24(18):1156-1157.
[9] LIU S F,SHI X W. A novel wideband waveguide-to-microstrip transition with waveguide stepped impedance transformer[C]∥International Conference on Microwave and Millimeter Wave Technology,Shenzhen,China.[S.l.]:IEEE,2012:1-4.
[10] LAVEDAN L J. Design of waveguide-to-microstrip transitions specially suited to millimetre-wave applications[J]. Electronics Letters,1977,13(20):604-605.
[11] RELJIC B M. Balunless microstrip to waveguide transition for X band[C]∥IEEE Wireless and Microwave Technology Conference,Florida,USA.[S.l.]:IEEE,2006:1-3.
[12] KANEDA N,QIAN Y,ITOH T. A broad-band microstripto-waveguide transition using quasi-Yagi antenna[J].IEEE Transactions on Microwave Theory&Techniques,2000,2(12):617-620.
[13] SUN M,QING X,CHEN Z N. 60-GHz end-fire fan-like antennas with wide beamwidth[J]. IEEE Transactions on Antennas&Propagation,2013,61(4):1616-1622.
[14] SHUKLA D,DUTTA B R. Design of microwave imaging based microstrip ultra-wideband antenna[C]∥Annual IEEE India Conference(INDICON),New Delhi,India.[S.l.]:IEEE,2015:1-5.
[15] JIANG K,GUO Q G,HUANG K M. Design of a wideband quasi-Yagi microstrip antenna with bowtie active elements[C]∥International Conference on Microwave Millimeter Wave Technology,Chengdu,China.[S. l.]:IEEE,2010:1122-1124.
[16] AMADJIKPA L,CHOUDHURY D,PONCHAK G E,et al. 60-GHz switched-beam end-fire antenna module integrated with novel microstrip-to-slot transition[C]∥Microwave Symposium Digest,Maryland,USA.[S. l.]:IEEE,2011:1-4.
[17] GEORGE S A,NAEINI S,BUSUIOC D. Design routine for realizing miniaturized planar antennas[C]∥IEEE Antennas and Propagation Society Symposium,Honolulu,USA.[S.l.]:IEEE,2007:5989-5992.