学术论文

      一种宽带高增益引向天线的仿真与实验

      Experiment and Simulation of a Wideband and High-Gain Directional Antenna

      摘要:
      提出了一种具有40%相对带宽和较高增益的印刷型引向天线,天线采用微带线馈电,加载较长的介质板改善口径场的幅相分布,仿真和实验表明:该天线与传统加载多个寄生振子的方法相比,不影响天线的阻抗带宽,增益也能有较大的提高;通过CST Microwave Studio的电流密度与口面场的仿真结果证明了上述结论,该天线亦可组阵使用.
      Abstract:
      A 40% relative bandwidth high gain directional printed antenna was proposed, which was fed by micro-strip line.By loading longer substrate, the distribution of amplitude and phase of aperture field can be improved.Simulation and experiment show that the antenna does not affect the bandwidth of the antenna and the gain can be greatly improved compared with the conventional Yagi-Uda antenna.The above results were proved by the simulation results of current density and aperture field distribution of CST Microwave Studio.The proposed antenna can also be used to form antenna array.
      作者: 郭兰图 [1] 林澍 [2] 刘冠君 [2]
      Author: GUO Lan-tu [1] LIN Shu [2] LIU Guan-Jun [2]
      作者单位: 中国电子科技集团公司第二十二研究所,山东 青岛,266107 哈尔滨工业大学 电子与信息工程学院,哈尔滨,150080
      刊 名: 兵器装备工程学报 ISTIC
      年,卷(期): 2017, 38(5)
      分类号: TN82
      在线出版日期: 2017年7月4日
      基金项目: 国家重大科学仪器开发专项