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一种有限空间内中短波宽带接收天线设计 被引量：1

Design of a space-limited receiving antenna in MW and SW bands
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摘要 一种适用于全球数字广播DRM系统移动终端的中短波宽带接收天线,能够集成于接收机机壳表面,在机壳表面的三维方向上分别设计有Hilbert分形天线、弯折线天线、多环环形天线,将三种天线在馈电端相连,向射频前端电路馈电。Hil-bert分形由于其自相似性和空间填充性,应用于天线设计能够实现多频带、低谐振频率等特性。通过计算和大量实验,研究了这种天线的尺寸缩减特性和灵敏度特性。测试结果表明:与专业公司提供的两款DRM接收机天线相比较,该中短波宽带接收天线在1～20MHz频率范围内,以缩小的尺寸获得了高的接收灵敏度。 A broadband receiving antenna working in middle- and short-wave band is proposed for DRM （Digital Radio Mondiale） system. Hilbert fractal antenna, meander line antenna, multi-loop antenna are proposed to fabricate on the surface of three dimensions of the receiver box and to connect together at the feeding point. Because of self-similarity and space-filling properties, Hilbert fractal antenna is a powerful tool to design multi-frequency and low resonant frequency antenna. Experimental results show that compared with two kinds of receiving antenna for DRM system provided by a professional company, this receiving antenna has a high enough receiving sensitivity but a reduced size.
作者 王科平 王志功 冯军 赵海涛
机构地区 东南大学射频与光电集成电路研究所 东南大学生物电子学国家重点实验室
出处 《电波科学学报》 EI CSCD 北大核心 2008年第4期616-619,共4页 Chinese Journal of Radio Science
基金 香港Himalaya(Power)Electronic Co. Ltd提供项目研究资助
关键词 全球数字广播 中短波 宽带天线 接收天线 DRM MW and SW broadband antenna receive antenna
分类号 TN82 [电子电信—信息与通信工程]
  • 相关文献

参考文献9

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二级参考文献12

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共引文献30

同被引文献8

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电波科学学报
2008年 第4期

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