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新型基片集成波导三孔定向耦合器的设计 被引量：1

Design of A New Three Apertures Directional Coupler Based on Substrate Integrated Waveguides
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摘要 利用矩形波导多孔定向耦合器理论和基片集成波导与矩形波导的等效关系,设计了基片集成波导三孔定向耦合器。通过在耦合孔的上金属面开哑铃形槽来增加能量的耦合,从而提出一种新型的三孔定向耦合器。实验结果表明:该耦合器在8.6 GHz-10.6 GHz的频率范围内,输入端反射系数和隔离口的电压传输系数均小于-15 dB,相对带宽达到20%,通带内直通口与耦合口的电压传输系数均在-8.2 dB--3.3 dB之间,耦合度约为6 dB,隔离度大于15 dB,性能获得了较大提高。该耦合器设计方法简单,加工成本低廉,可以广泛用于微波毫米波系统中。 In this paper, a SIW three apertures directional coupler is designed by the theory of rectangular waveguide multi - aperture directional coupler and the equivalent relation between SIW and rectangular waveguide. Then, a new three apertures directional coupler is proposed through opening a dumbbell - shaped slot on the metal- lic surface of coupling aperture. The experiment result shows that the performance of the directional coupler is greatly enhanced. Within the frequency range of 8.6 GHz - 10.6 GHz, the reflection coefficient of the input and transmission coefficient of the isolated port are both below - 15 dB, and the relative bandwidth is 20%. Transmissions of the straight port and coupled port in the pass - band are between - 8.2 dB and - 3.3 dB. This coupler＇s coupling is about 6 dB, and the isolation is over 15 dB.
作者 邹雄 童创明 陈浩 余定旺 鲍峻松
机构地区 空军工程大学防空反导学院 东南大学毫米波国家重点实验室
出处 《空军工程大学学报（自然科学版）》 CSCD 北大核心 2012年第3期40-44,共5页 Journal of Air Force Engineering University(Natural Science Edition)
基金 陕西省自然科学基础研究计划资助项目(2011JM8025)
关键词 基片集成波导 定向耦合器 矩形波导 金属化孔 substrate integrated waveguide directional coupler rectangular waveguide metallized vent
分类号 TN713 [电子电信—电路与系统] TN015 [电子电信—物理电子学]
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参考文献13

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二级参考文献14

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共引文献17

同被引文献6

  • 1Yuandan Dong,Tatsuo Itoh.Substrate integrated composite right-/left-handed leaky-wave structure for polarization-flexible antenna application[J].IEEE transactions on antennas and propagation,2012,60(2):760-771.
  • 2Xu Junfeng,Chen Zhi Ning,Qing Xianming,et al.140 GHz planar broadband LTCC SIW slot antenna array[J].IEEE transactions on antennas and propagation,2012,60(6):7-10.
  • 3Juhua Liu,David R Jackson,Yunliang Long.Substrate integrated waveguide (SIW) leaky-wave antenna with transverse slots[J].IEEE transactions on antennas and propagation,2012,60(1):20-29.
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  • 5Martnez Jorge D,Mriam Taroncher,Vicente E Boria.Capacitively loaded resonator for compact substrate integrated waveguide filters[C] //Proceedings of the 40th European microwave conference.Paris:EuMC press,2010:192-195.
  • 6徐俊峰,蒯振起,陈鹏.W波段多波束基片集成波导缝隙阵列天线[J].微波学报,2009,25(2):1-5. 被引量：12

引证文献1

二级引证文献2

空军工程大学学报（自然科学版）
2012年 第3期

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