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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.
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电波科学学报
ISSN: 1005-0388
Year: 2023
Issue: 2
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: -1
Chinese Cited Count:
30 Days PV: 3
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