| 超短波宽带双偶极全向天线研究 |
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| 引用本文： | 方艺东,金红军.超短波宽带双偶极全向天线研究[J].无线电通信技术,2010,36(2):37-39. |
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| 作者姓名： | 方艺东 金红军 |
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| 作者单位： | 中国电子科技集团公司第五十研究所,上海,200063 |
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| 摘 要： | 现役超短波电台天线在低频段有效增益低,影响了电台的通信距离,为此提出了一种超短波双偶极全向天线。从理论上对天线的阻抗特性和天线的方向特性进行了详细分析计算,并实现了工程样机。试验测试数据表明:此天线具有宽频带特性,在整个工作频带内其电压驻波比小于2.5,有效增益比常用的超短波中馈天线提高2.8dB左右,是一结构简单、性能良好、适用于30～88MHz频段工作的宽带全向天线。
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| 关 键 词： | 超短波 双偶极全向天线 宽带 |
Study on VHF Broadband Twin-dipole Omni Antenna |
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| FANG Yi-dong,JIN Hong-jun.Study on VHF Broadband Twin-dipole Omni Antenna[J].Radio Communications Technology,2010,36(2):37-39. |
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| Authors: | FANG Yi-dong JIN Hong-jun |
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| Affiliation: | (The 50th Research Institute of CETC,Shanghai 200063,China) |
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| Abstract: | The low effective gain of existing VHF antennas in lower frequency band affects the communication range of radios.Therefore,a VHF twin-dipole omni antenna is presented in this paper.Its impedance and directional characteristics are analyzed and computed in detail theoretically;finally a prototype antenna is produced.Test results show that the antenna has the characteristics of broadband,and across the whole operation band,its VSWR is less than 2.5 and the effective gain is improved by 2.8 dB comparing with the gain of common VHF center-fed antenna.The antenna＇s structure is simple and capability is good,and is suitable for operation in frequency band of 30～88MHz. |
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| Keywords: | VHF twin-dipole omni antenna broadband |
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