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Abstract:
设计了一种卫星导航终端的小型化四臂缝隙螺旋天线。天线为方形柱状结构,四条缝隙螺旋臂印制在介质基板外表面,馈电网络印制于介质基板内表面进行耦合馈电;馈电网络为弯折的微带线结构,并延伸至天线底部实现同轴馈电。天线尺寸为23.6 mm×23.6 mm×53.0 mm,实测结果表明,|S_(11)|≤-10 dB的阻抗带宽为7.63%(1.512~1.632 GHz),轴比≤3 dB的圆极化带宽为3.35%(1.556~1.609 GHz),在北斗B1频段中心频率(1.561 GHz)和GPS L1频段中心频率(1.575 GHz)处增益分别达到4.31 dBi和4.84 dBi。该天线采用缝隙螺旋结...
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微波学报
Year: 2020
Issue: 03
Volume: 36
Page: 31-34,39
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 5
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