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联合压缩感知与干扰白化的脉冲干扰抑制方法

刘海涛 张智美 成玮 张学军

刘海涛, 张智美, 成玮, 等 . 联合压缩感知与干扰白化的脉冲干扰抑制方法[J]. 北京航空航天大学学报, 2015, 41(8): 1367-1373. doi: 10.13700/j.bh.1001-5965.2014.0545
引用本文: 刘海涛, 张智美, 成玮, 等 . 联合压缩感知与干扰白化的脉冲干扰抑制方法[J]. 北京航空航天大学学报, 2015, 41(8): 1367-1373. doi: 10.13700/j.bh.1001-5965.2014.0545
LIU Haitao, ZHANG Zhimei, CHENG Wei, et al. Impulse interference mitigation method based on joint compressed sensing and whitening of interference[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1367-1373. doi: 10.13700/j.bh.1001-5965.2014.0545(in Chinese)
Citation: LIU Haitao, ZHANG Zhimei, CHENG Wei, et al. Impulse interference mitigation method based on joint compressed sensing and whitening of interference[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(8): 1367-1373. doi: 10.13700/j.bh.1001-5965.2014.0545(in Chinese)

联合压缩感知与干扰白化的脉冲干扰抑制方法

doi: 10.13700/j.bh.1001-5965.2014.0545
基金项目: 国家自然科学基金(U1233117,61271404)
详细信息
    通讯作者:

    刘海涛(1966-),男,河北沧州人,教授,主要研究方向为航空移动通信系统,htliucauc@qq.com.

  • 中图分类号: V243.1;TN929.5

Impulse interference mitigation method based on joint compressed sensing and whitening of interference

  • 摘要: 针对L频段数字航空通信系统1(L-DACS1)以内嵌方式部署在航空无线电导航频段而产生的测距仪脉冲干扰(DME)正交频分复用(OFDM)接收机的问题,提出联合压缩感知与残留干扰白化的测距仪脉冲干扰抑制方法.首先接收机通过空子载波信道来观测测距仪脉冲干扰,并利用测距仪脉冲干扰在时域的稀疏特性,基于l1范数最小化约束的凸优化方法重构测距仪脉冲干扰;然后将重构的脉冲干扰转换到频域进行干扰消除;最后,接收机通过信号解交织器与逆正交变换器将残留的脉冲干扰转换为高斯白噪声,避免了残留干扰信号造成的突发性解调错误.仿真研究表明:联合干扰抑制方法可有效消除测距仪脉冲信号干扰,显著提高L-DACS1系统链路传输的可靠性.

     

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出版历程
  • 收稿日期:  2014-09-05
  • 网络出版日期:  2015-08-20

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