超宽带Vivaldi阵列天线设计
Fire Control Radar Technology(2012)
Abstract
为了满足超宽带系统对天线的需求,本文设计并制造了覆盖6~18GHz频带的超宽带Vival-di阵列天线,并采用微带渐变线功分器网络达到超宽带馈电与低损耗传输的目的。通过组阵与添加寄生单元进一步降低天线驻波,提高了阵列性能。仿真计算与实测结果表明该阵列天线在超宽频带内驻波小于2.1,并且具有优良的辐射特性。
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Key words
ultra wide-band array,vivaldi antenna,tapered-line power divider
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