张炀,郭文彬,邱景辉.新型超宽带全向线天线的设计与分析[J].装备环境工程,2012,9(4):96-97,117. ZHANG Yang,GUO Wen-bin,QIU Jing-hui.Design and Analysis of a Novel Ultra-wide Band Omni-directional Wire Antenna[J].Equipment Environmental Engineering,2012,9(4):96-97,117.
新型超宽带全向线天线的设计与分析
Design and Analysis of a Novel Ultra-wide Band Omni-directional Wire Antenna
投稿时间:2012-03-06  修订日期:2012-08-15
DOI:
中文关键词:  超宽带  线天线  交叉结构  全向辐射
英文关键词:ultra-wide band  wire antenna  cross structure  omni-directional radiation
基金项目:国家自然科学基金 (61171063)
作者单位
张炀 哈尔滨工业大学 电子与信息工程学院,哈尔滨 150001 
郭文彬 哈尔滨工业大学 电子与信息工程学院,哈尔滨 150001 
邱景辉 哈尔滨工业大学 电子与信息工程学院,哈尔滨 150001 
AuthorInstitution
ZHANG Yang School of Electronics and Information Engineering,Harbin Institute of Technology,Harbin150001,China 
GUO Wen-bin School of Electronics and Information Engineering,Harbin Institute of Technology,Harbin150001,China 
QIU Jing-hui School of Electronics and Information Engineering,Harbin Institute of Technology,Harbin150001,China 
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中文摘要:
      设计了一种新型超宽带全向线天线, 采用交叉闭合金属线增强了天线的全向辐射特性, 提出了一种小半球加载的天线结构, 有效改善了阻抗匹配特性。采用CST软件建立天线模型, 进行仿真和优化, 并制作实物, 进行了性能测试。结果显示, 天线在0.45~28.4 GHz频带内, 驻波系数小于2, 且在全工作频带内方向图稳定, 具有良好的水平全向辐射特性。该新型超宽带全向线天线在电磁环境监测等领域具有一定的应用价值。
英文摘要:
      A novel ultra-wide band omni-directional wire antenna was proposed. The crossed wire structure and small metal sphere were investigated to improve both the impedance bandwidth and radiation patterns. The proposed antenna was modeled and simulated in CST software. The results showed that the antenna can work well in 0.45GHz-28.4GHz, with VSWR less than 2; the radiation patterns of the proposed antenna keep stable within the whole band; out-of-roundness of the H plane is better than 5dB. The proposed antenna has important value in the field of electromagnetic environment monitoring.
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