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一种新型介质埋藏贴片天线阵设计

DOI: 10.15918/j.tbit1001-0645.2015.09.012

Keywords: 北斗系统 介质埋藏微带天线 圆极化

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Abstract:

为解决介质埋藏微带天线组阵后天线增益较低的问题,运用介质中电磁波传播理论、微带天线耦合理论、介质埋藏天线技术和微带天线圆极化技术等,采用天线阵元不共介质、同轴馈电、馈电点选在辐射贴片对角线上,在辐射贴片上附加简并分离单元等措施,设计和制作出了一种新型介质埋藏贴片天线阵列. 经仿真计算和实物天线测试显示,天线仿真增益为10.45 dB,实测增益约为9.2 dB,接近同类型的微带天线二元阵增益,该天线符合北斗天线性能要求,采用新型组阵结构后天线增益得到明显提高

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