The Research and Design of Compact Broadband Endfire Array Antenna for Micro-Doppler Effective Radar Application

Wu Duo-long; Tan Fu-wen; Wu Yan-jie

doi:10.12052/gdutxb.180085

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The Research and Design of Compact Broadband Endfire Array Antenna for Micro-Doppler Effective Radar Application

更新时间：2026-05-27

- The Research and Design of Compact Broadband Endfire Array Antenna for Micro-Doppler Effective Radar Application
- Vol. 35, Issue 6, Pages: 43-48(2018)
- 作者机构：
  
  广东工业大学　物理与光电工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.180085
  CLC： TN823.24
- Online First：23 November 2018，
  
  Published：2018
- 稿件说明：
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吴多龙, 谭富文, 吴艳杰. 应用于微多普勒效应雷达的紧凑型宽带端射阵列天线的研究[J]. 广东工业大学学报, 2018, 35(6): 43-48.

Wu Duo-long, Tan Fu-wen, Wu Yan-jie. The Research and Design of Compact Broadband Endfire Array Antenna for Micro-Doppler Effective Radar Application[J]. 2018, 35(6): 43-48.
吴多龙, 谭富文, 吴艳杰. 应用于微多普勒效应雷达的紧凑型宽带端射阵列天线的研究[J]. 广东工业大学学报, 2018, 35(6): 43-48. DOI： 10.12052/gdutxb.180085.

Wu Duo-long, Tan Fu-wen, Wu Yan-jie. The Research and Design of Compact Broadband Endfire Array Antenna for Micro-Doppler Effective Radar Application[J]. 2018, 35(6): 43-48. DOI： 10.12052/gdutxb.180085.

摘要

为解决微多普勒效应雷达的端射、小型化及宽频带问题

提出了一款紧凑型宽带端射阵列天线. 4个T型环缝天线单元中心对称放置于基板的背面

馈电网络位于基板的正面

从而形成耦合馈电

且馈电的幅度相同

馈电的相位在顺时针方向的分布为90°、270°、0°、180°. 经加工测试

其测试结果与仿真结果基本一致

且工作频带为5.72~6.71 GHz

绝对带宽为0.99 GHz

满足宽带特性的要求. 该天线采用易于集成的小型化平面设计

具有宽频带特性以及良好的端射性能

且加工成本较低

可以满足微多普勒效应雷达的实际应用要求.

Abstract

In order to solve the problems of endfire

miniaturization and broadband of the micro-Doppler effective radar

a compact broadband endfire array antenna is proposed.The four T-slotted antenna elements are symmetrically placed on the back of the substrate

and the feeding network is located on the front of the substrate

thus forming a coupling feed

which has same amplitude and the distribution of phase in the clockwise direction is 90°

270°

0°

180°.After processing and measurement

the measured results are basically consistent with the simulated results

and the operating frequency band is 5.72~6.71 GHz

which has the absolute bandwidth of 0.99 GHz and satisfies the requirement of wideband characteristic.The antenna adopts an easy-to-integrate miniaturized planar design

and has broadband characteristic

good endfire performance

low processing cost

which can meet the practical application requirements of the micro-Doppler effective radar.

关键词

Keywords

references

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ZHANG J, LIU S, WANG F, et al . A compact high-gain Vivaldi antenna with improved radiation characteristics [J ] . Progress in Electromagnetics Research Letters, 2017, 68: 127-133.

MO F, LIN F M. A design of a novel dual-band circularly polarized satellite navigation antenna [J]. Journal of Guangdong University of Technology, 2018, 35(2): 86-94.

ZHOU Z F, WU D L, LI R, et al . A design of wide-band wide-angle circularly polarized microstrip antenna [J ] . Journal of Guangdong University of Technology, 2010, 27(4): 36-38.

TOHID S Y, SADEGHZADEH R A, NASER-MOGHADASI M. Microstrip-fed circularly polarized antenna array using semi-fractal cells for implicational band [J]. IETE Journal of Research, 2014, 60(6): 383-388.

YANG L, ZHANG J D, WU W. Wideband microstrip series-fed magnetic dipole array antenna [J]. Electronics Letters, 2014, 50(24): 1793-U155.

ROW J S, LIN Y M. Broadband slot arrays with wide H-plane beamwidth [J]. Microwave and Optical Technology Letters, 2016, 58(12): 2871-2876.

BAIRAMI P, ZAVVARI M. Broad band circularly polarized square slot array antenna with improved sequentially rotated feed network for C-band application [J]. International Journal of Microwave and Wireless Technologies, 2017, 9(1): 171-175.

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