| 毫米波共形相控阵雷达导引头波束形成 |
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| 引用本文： | 齐飞林,刘峥,杨明磊,张守宏. 毫米波共形相控阵雷达导引头波束形成[J]. 系统工程与电子技术, 2009, 31(8): 1874-1877,1948 |
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| 作者姓名： | 齐飞林 刘峥 杨明磊 张守宏 |
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| 作者单位： | 西安电子科技大学雷达信号处理重点实验室, 陕西, 西安, 710071 |
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| 基金项目： | 国家部委基金(9140A07070807DZ0127)资助课题 |
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| 摘 要： | 针对毫米波圆锥台共形相控阵天线阵列低副瓣波束形成,提出了基于最优非均匀子阵划分及最优子阵激励的低副瓣波束形成方法.该方法利用多目标进化算法,先通过对整个扫描波束空间进行空间采样并形成空间采样点的天线辐射方向图,然后引入两个多目标函数对这些空间采样点的天线辐射方向图进行低副瓣约束,可获得指定扫描空间内任意角度的低副瓣波束形成.通过多目标进化算法优化子阵结构及其激励能够有效抑制辐射方向图副瓣电平.仿真实验证明该方法有效.
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| 关 键 词： | 毫米波 波束形成 多目标进化算法 雷达导引头 |
| 收稿时间： | 2008-03-12 |
| 修稿时间： | 2008-09-28 |
Low sidelobe beamforming for millimeter wave radar seeker with conformal phased array |
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| QI Fei-lin,LIU Zheng,YANG Ming-lei,ZHANG Shou-hong. Low sidelobe beamforming for millimeter wave radar seeker with conformal phased array[J]. System Engineering and Electronics, 2009, 31(8): 1874-1877,1948 |
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| Authors: | QI Fei-lin LIU Zheng YANG Ming-lei ZHANG Shou-hong |
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| Affiliation: | Key Lab. of Radar Signal Processing, Xidian Univ., Xi'an 710071, China |
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| Abstract: | A novel method based on optimal nonuniform subarray configuration and optimal subarray's excitation is proposed to study low sidelobe beamforming with Millimeter wave conical phased array.This method employs multi-objective evolutionary algorithms following two procedures.Firstly,sampling is made in scanning space and then conformal array patterns are formed.Secondly,two multi-objective functions which realize low sidelobe patterns inside the scanning space anywhere are introduced for constraining these patterns at sampling points.By optimizing subarrays' configuration and their excitations with the multi-objective evolutionary algorithms,the sidelobe level can be suppressed effectively.Simulation results verify the efficiency of the proposed method. |
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