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Ka频段单脉冲多层微带阵列天线设计与优化
李峰,官正涛,赵璐
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(中国西南电子技术研究所，成都 610036)

摘要:

描述了多层微带阵列天线，辐射单元通过带状线一个地板耦合馈电。为获得好的旁瓣抑制能力及加工容差，采用遗传算法优化，得到工程上实用的天线口径分布。制作了一个天线，获得27.3 dB的增益，波束宽度4.2°。实测结果表明在Ka频段实现了100%的旁瓣抑制。

关键词: Ka频段多层微带阵列天线旁瓣抑制遗传算法天线综合

DOI：

基金项目:

Design and optimization of a monopulse multi-layer microstrip array antenna in Ka-band

LI Feng,GUAN Zheng-tao,ZHAO Lu

()

Abstract:

A multilayer microstrip array antenna is described. Radiation elements are fe d by a slot etched on a grounding conductor plate of the stripline. The genetic al gorithm(GA) is introduced to get a practical distribution which is good for side lobe suppression and tolerance. An antenna is made for testing,whose beamwidth i s 4.2°,gain is 27.3 dB. The measurement shows 100% sidelobe suppression is obtained in Kaband.

Key words: Ka band multi layer microstrip array antenna sidelobe suppression genetic a lgorithm antenna pattern synthesis