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author:

王敬杰 (王敬杰.) [1] | 袁家德 (袁家德.) [2] (Scholars:袁家德)

Indexed by:

PKU CSCD

Abstract:

文中提出了一种应用于卫星导航的宽频带天线,其由一对交叉偶极子臂、侧面加载金属带和底部接地面组成.采用侧面加载金属带可以有效提升轴比(axial ratio,AR)带宽和阻抗带宽,并且有效减小天线尺寸.实测结果表明|S11|≤-10 dB的阻抗带宽为1.06~2.01 GHz,AR≤3 dB的AR带宽为1.11~1.95 GHz,在北斗B1、B2和B3中心频率处的增益分别为4.62 dBi、5.34 dBi和5.21 dBi.本文提出的交叉偶极子天线不需要复杂的馈电网络,具有天线结构简单、体积小、工作频带宽等优势,可较好地应用于北斗卫星导航终端设备中.

Keyword:

交叉偶极子天线 北斗卫星导航系统(BDS) 圆极化 宽频带 轴比带宽 阻抗带宽

Community:

  • [ 1 ] 福州大学物理与信息工程学院

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Source :

电波科学学报

ISSN: 1005-0388

CN: 41-1185/TN

Year: 2023

Issue: 02

Volume: 38

Page: 292-297

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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