| 摘要: |
| 给出了一种大垂直口径天线俯仰波束的优化设计过程。大垂直口径天线由10个辐射阵元
构成，可以看成为一个阵列。为使天线的辐射波束达到给定的波束要求，提出了一种改进
的遗传算法及其目标函数模型，对各辐射阵元的馈电幅度和相位同时进行优化。计算结果显
示，天线能够产生满足设计要求的俯仰波束。通过全波电磁仿真软件HFSS进行了验证，仿真
结果与计算结果吻合，证明了所提方法的有效性和实用性。 |
| 关键词: 二次雷达 大垂直口径天线 遗传算法 辐射方向图 赋形波束 |
| DOI： |
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| 基金项目: |
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| Shaped elevation beam design of a large vertical aperture antenna |
| ZHANG Yi,LIANG Yu-hong,ZHANG Yun,WEN Jian,HE Hai-dan |
| () |
| Abstract: |
| Optimization and design process for shaped elevation beam of a large ve
rtical aperture（LVA） antenna is presented. The LVA antenna consists of 10 radi
ation elements. In order to form a given antenna pattern for LVA antenna, an imp
roved genetic algorithm(GA) and its weight objective function model are proposed
, which are applied to optimize the amplitudes and phases of the currents of the radi
ating elements. Calculated result shows that the elevation radiation pattern meet
s the design requirement.The simulated result by using full-wave EM field
simulator HFSS is in a good agreement with the pre-numerical result, which prov
es the validity and practicability of the proposed method. |
| Key words: secondary surveillance radar LVA antenna genetic algorithm radiation pattern sha
ped beam |
