宽带应用中锥形缝隙天线的小型化设计

Ping Gao, W. Dou, Fengying Wang, Xuqi Chen
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引用次数: 4

摘要

本文提出了一种小型化的锥形缝隙天线。采用新颖馈电平衡的维瓦尔第天线作为基本设计,并在其末端采用电阻加载,使其结构紧凑。天线的尺寸为155mm(长)*120mm(宽)*0.6mm(厚)。测量结果与HFSS模拟理论一致,带宽为0.36~4GHz (S11< -10dB),增益在-6.2 ~ 7.5dB之间变化。结果表明,该天线可用于对尺寸有严格要求的宽带应用。
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The miniaturization design of tapered slot antenna for wideband applications
A miniaturized tapered slot antenna is presented in this paper. A Vivaldi antenna with a novel feeding balun is selected as the basic design and resistive loading is used at the end of it to make a compact structure. The proposed antenna is fabricated with the size of 155mm (length)*120mm (width)*0.6mm (thickness). The measured results, which are in agreement with the simulated theory by HFSS, show that the bandwidth is 0.36~4GHz (S11<;-10dB), while the gain varies between -6.2 and 7.5dB. It is indicated that the antenna can be used for wideband applications which have strict request for the size.
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