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分时波束空间MIMO天波雷达发射ADBF方法 被引量：3

Transmit ADBF method for time diverse beam space MIMO-OTHR
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摘要 为简化基于MIMO(多输入多输出)技术的天波雷达扩展多普勒杂波抑制方法,分析了时间叉排线性调频连续波MIMO天波雷达与慢时间相位编码MIMO天波雷达之间的关系,提出一种分时波束空间MIMO天波雷达模型,并给出了相应的TADBF方法.该TADBF方法在分时波束空间实现,可有效抑制扩展多普勒杂波;简化了发射信号分集,在大型阵列降维处理情况下,只在各脉冲重复周期控制波束指向,无须对子阵或者波束进行相位编码,便于工程实现.仿真验证了该方法的有效性. Relationship between time-staggered linear frequency modulated continuous wave and slow time phase-coded were analyzed. Then, a time diverse beam space MIMO-OTHR（over-the-horizon radar）model and a transmit adaptive digital beam forming （TADBF） method were proposed. The TADBF method used to suppress spread Doppler clutter was realized in diverse beam space, which simplified the separation of different transmit signals. The TADBF method is easy to be realized, as when the dimension of a large array reduced, only the beam pattern needs steering in different pulse repetitions, without phase coding at sub-array or beam space. Theoretical analyses and simulation resuits both show that the presented method is effective.
作者 赵志国 陈建文 鲍拯
机构地区 空军预警学院雷达兵器运用工程实验室
出处 《华中科技大学学报（自然科学版）》 EI CAS CSCD 北大核心 2013年第2期64-69,共6页 Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金 国家自然科学基金资助项目(61072132)
关键词 天波超视距雷达 扩展多普勒杂波 发射自适应数字波束形成 分时波束空间MIMO雷达 慢时间相位编码 skywave over-horizon radar spread Doppler clutter （SDC） transmit adaptive digital beam forming （TADBF） time diverse beam space multiple-input multiple-output（MIMO） radar slow time phase encoding
分类号 TN958.93 [电子电信—信号与信息处理]
  • 相关文献

参考文献13

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二级参考文献19

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共引文献83

同被引文献47

  • 1李钢,杨仕文,刘颜回,聂在平.天波超视距雷达电离层大幅度相位污染校正算法研究[J].宇航学报,2008,29(2):670-674. 被引量：5
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引证文献3

二级引证文献10

华中科技大学学报（自然科学版）
2013年 第2期

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