Analysis and Design of a Four-Beam-Switched Antenna

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- Analysis and Design of a Four-Beam-Switched Antenna
- Acta Electronica Sinica Vol. 31, Issue 9, Pages: 1372-1374(2003)
- 作者机构：
  
  1. 西安电子科技大学天线与电磁散射研究所,陕西,西安,710071
  2. 西安海天天线科技股份有限公司,陕西,西安,710065
  3. 西安电子科技大学天线与电磁散射研究所陕西西安,710071
  4. 西安海天天线科技股份有限公司陕西西安,710065
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN821
- Published：2003
- 稿件说明：
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GAO Xue, HU Hong-fei, YAO Zhong-xing, et al. Analysis and Design of a Four-Beam-Switched Antenna[J]. Acta Electronica Sinica, 2003, 31(9): 1372-1374.
DOI：

GAO Xue, HU Hong-fei, YAO Zhong-xing, et al. Analysis and Design of a Four-Beam-Switched Antenna[J]. Acta Electronica Sinica, 2003, 31(9): 1372-1374. DOI：

本文对一种覆盖90度扇区的四波束切换天线进行了分析和设计.首先采用微带结构的4×4 Butler矩阵作为波束合成网络

其中90度相差的混合接头用3dB定向耦合器实现.文中给出了该Butler矩阵散射参数的计算和测量结果.然后对实现预波束要求的阵列结构进行了分析和综合.最后给出了整个波束切换样机天线的实际测试结果.

A four-beam-switched antenna is analyzed and designed.Firstly

a microstrip Butler matrix is used as the beamforming network

in which the 90° hybrid is realized by a 3dB directional coupler.The S parameters of the network are computed and measured.Then

the planar array used to obtain the desired beam pattern is analyzed and synthesized.Finally

the experimental results of the prototype antenna are given.

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