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基于无人机集群的近场线性稀疏阵列波束形成研究

张逸楠 王广学 彭世蕤 冷毅

张逸楠, 王广学, 彭世蕤, 冷毅. 基于无人机集群的近场线性稀疏阵列波束形成研究[J]. 电子与信息学报, 2023, 45(1): 181-190. doi: 10.11999/JEIT211452
引用本文: 张逸楠, 王广学, 彭世蕤, 冷毅. 基于无人机集群的近场线性稀疏阵列波束形成研究[J]. 电子与信息学报, 2023, 45(1): 181-190. doi: 10.11999/JEIT211452
ZHANG Yinan, WANG Guangxue, PENG Shirui, LENG Yi. Beamforming Research for Near-field Linear Sparse Array Based on Unmanned Aerial Vehicle Swarm[J]. Journal of Electronics & Information Technology, 2023, 45(1): 181-190. doi: 10.11999/JEIT211452
Citation: ZHANG Yinan, WANG Guangxue, PENG Shirui, LENG Yi. Beamforming Research for Near-field Linear Sparse Array Based on Unmanned Aerial Vehicle Swarm[J]. Journal of Electronics & Information Technology, 2023, 45(1): 181-190. doi: 10.11999/JEIT211452

基于无人机集群的近场线性稀疏阵列波束形成研究

doi: 10.11999/JEIT211452
基金项目: 国家自然科学基金(62101592)
详细信息
    作者简介:

    张逸楠:女,博士生,主要研究方向为信息与通信工程信息对抗技术

    王广学:男,博士,主要研究方向为雷达对抗

    彭世蕤:男,教授,博士生导师,主要研究方向为电子对抗技术、微波技术与电磁场

    冷毅:男,副教授,硕士生导师,主要研究方向为雷达对抗、电子对抗无人机

    通讯作者:

    张逸楠 907059400@qq.com

  • 中图分类号: TN957

Beamforming Research for Near-field Linear Sparse Array Based on Unmanned Aerial Vehicle Swarm

Funds: The National Natural Science Foundation of China (62101592)
  • 摘要: 无人机集群构成的天线阵列常呈现近场、稀疏特性,经典波束形成理论无法适配。为此,该文首先构建了近场均匀线阵信号模型,通过对信号相位差函数进行泰勒展开近似提出基于线性调频脉冲压缩处理的近场波束形成简化实现方法,并以此为基础在空间-频率2维域内对近场波束形成特性进行了分析:从空间频率偏移和带宽失配的角度,分析得到了近场波束的方位向增益变化特性和距离向增益变化特性;从空间欠采样的角度,研究提出了阵元稀疏分布条件下近场波束栅瓣分布的解析表达式。仿真证明了该文结论的有效性,为利用波束形成技术提高无人机集群的通信、电子侦察、干扰能力提供了理论支撑。
  • 图  1  近场线性稀疏阵列模型

    图  2  两阵元的双曲线簇模型

    图  3  ${\theta _I} = 0{^\circ}$时经典与近似波束形成比较

    图  4  ${\theta _I} = 2{^\circ}$时经典与近似波束形成比较

    图  5  距离向波束图

    图  6  方位向波束图

    图  7  曲面范围内目标波束图

    图  8  波束投影及栅瓣分布计算

    图  9  波束扫描曲面范围波束图

    图  10  波束扫描投影及栅瓣分布计算

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  • 被引次数: 0
出版历程
  • 收稿日期:  2021-12-06
  • 录用日期:  2022-06-01
  • 修回日期:  2022-05-11
  • 网络出版日期:  2022-06-07
  • 刊出日期:  2023-01-17

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