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基于子阵激励能量匹配的多子阵交错阵列设计

李龙军 王布宏 夏春和 刘新波 曹帅

李龙军, 王布宏, 夏春和, 等 . 基于子阵激励能量匹配的多子阵交错阵列设计[J]. 北京航空航天大学学报, 2016, 42(11): 2395-2402. doi: 10.13700/j.bh.1001-5965.2015.0680
引用本文: 李龙军, 王布宏, 夏春和, 等 . 基于子阵激励能量匹配的多子阵交错阵列设计[J]. 北京航空航天大学学报, 2016, 42(11): 2395-2402. doi: 10.13700/j.bh.1001-5965.2015.0680
LI Longjun, WANG Buhong, XIA Chunhe, et al. Design of array with multiple interleaved subarrays based on subarray excitation energy-matching[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2395-2402. doi: 10.13700/j.bh.1001-5965.2015.0680(in Chinese)
Citation: LI Longjun, WANG Buhong, XIA Chunhe, et al. Design of array with multiple interleaved subarrays based on subarray excitation energy-matching[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2395-2402. doi: 10.13700/j.bh.1001-5965.2015.0680(in Chinese)

基于子阵激励能量匹配的多子阵交错阵列设计

doi: 10.13700/j.bh.1001-5965.2015.0680
基金项目: 国家自然科学基金(61172148)
详细信息
    作者简介:

    李龙军,男,博士研究生。主要研究方向:阵列信号处理。Tel.:15829920225,E-mail:lilongjunboy@buaa.edu.cn;王布宏,男,博士,教授,博士生导师。主要研究方向:阵列信号处理、网络与信息安全。Tel.:029-84791762,E-mail:wbhyl@aliyun.com;夏春和,男,博士,教授,博士生导师。主要研究方向:网络安全与防护、网络测量等。Tel.:010-82317656,E-mail:XCH@buaa.edu.cn

    通讯作者:

    王布宏,Tel.:029-84791762,E-mail:wbhyl@aliyun.com

  • 中图分类号: TN820

Design of array with multiple interleaved subarrays based on subarray excitation energy-matching

  • 摘要: 多子阵稀疏交错共享孔径阵列天线是实现多功能阵列天线设计的有效途径。提出了一种基于子阵激励能量匹配的多子阵稀疏交错优化方法。根据均匀线阵激励与其方向图之间存在的傅里叶变换关系,该方法首先通过快速傅里叶变换(FFT)获得特定方向图的激励频谱能量分布,然后分析均匀线阵目标方向图频谱能量的分布特征,采用交叉选取子阵激励的方法,确定各子阵单元位置,使得阵列天线单元激励能量均匀分配,从而确保各子阵方向图近似一致。在此基础上通过迭代FFT的方法降低各子阵天线方向图旁瓣峰值(PSL),实现低旁瓣,同性能的多子阵交错共享孔径阵列天线设计。仿真研究与实验表明,通过本文提出多子阵交错方法设计的共享孔径多稀疏交错子阵具有运算量小、孔径利用率高、各子阵峰值旁瓣电平低且拥有相似方向图的优点。利用子阵交错的方法,通过控制各子阵主波瓣指向,能轻松实现多波束指向的多功能阵列天线设计。

     

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出版历程
  • 收稿日期:  2015-10-20
  • 修回日期:  2015-12-25
  • 刊出日期:  2016-11-20

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