低频范围内改进的鲁讷堡透镜天线

Haijuan Cui, Qi Fu, Jun Xu, Hongchun Yang
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引用次数: 0

摘要

设计了一种中心频率为318 MHz的一阶导数高斯脉冲激励的双脊TEM喇叭天线,用10层传统鲁恩堡透镜模拟了该天线的良好聚焦效果。从成本和方便的角度考虑,引入超材料构造等效等距透镜。改进后的透镜效果与传统透镜相似。
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Modified Luneburg lens antenna in low frequency range
A double-ridged TEM horn antenna, which was designed to be excited by the first derivative Gaussian pulse with central frequency 318 MHz, has been simulated to be well focused by the 10-layer traditional Luneburg lens. The metamaterial is introduced to construct an equivalent and isometric lens for the sake of cost and convenience. The effect of the modified lens is similar with the traditional.
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