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改进的双约束稳健Capon波束形成算法

李立欣 白童童 张会生 包涛 申礼斌

李立欣, 白童童, 张会生, 包涛, 申礼斌. 改进的双约束稳健Capon波束形成算法[J]. 电子与信息学报, 2016, 38(8): 2014-2019. doi: 10.11999/JEIT151213
引用本文: 李立欣, 白童童, 张会生, 包涛, 申礼斌. 改进的双约束稳健Capon波束形成算法[J]. 电子与信息学报, 2016, 38(8): 2014-2019. doi: 10.11999/JEIT151213
LI Lixin, BAI Tongtong, ZHANG Huisheng, BAO Tao, SHEN Libin. Improved Double Constraint Robust Capon Beamforming Algorithm[J]. Journal of Electronics & Information Technology, 2016, 38(8): 2014-2019. doi: 10.11999/JEIT151213
Citation: LI Lixin, BAI Tongtong, ZHANG Huisheng, BAO Tao, SHEN Libin. Improved Double Constraint Robust Capon Beamforming Algorithm[J]. Journal of Electronics & Information Technology, 2016, 38(8): 2014-2019. doi: 10.11999/JEIT151213

改进的双约束稳健Capon波束形成算法

doi: 10.11999/JEIT151213
基金项目: 

中央高校基本科研业务费专项资金(3102014JCQ01052, 3102014KYJD034, 3102014KYJD040),陕西省自然科学基础研究计划资助项目(2016JM6062),中国航天科技集团公司航天科技创新基金资助项目

Improved Double Constraint Robust Capon Beamforming Algorithm

Funds: 

The Fundamental Research Funds for the Central Universities (3102014JCQ01052, 3102014KYJD034, 3102014KYJD040), The Natural Science Foundation Research Project of Shaanxi Province (2016JM6062), The Aerospace Science and Technology Innovation Fund of CASC

  • 摘要: 传统双约束稳健Capon波束形成算法采用牛顿迭代法求解最优加载量,存在计算精度低且运算量大的问题。该文提出一种改进的双约束稳健Capon波束形成(DCRCB)算法,该算法对信号协方差矩阵进行重构,基于期望信号导向矢量在噪声子空间的投影最优,将重构后的干扰加噪声协方差矩阵投影到噪声子空间,得到基于噪声子空间的双约束算法模型。该算法中通过模约束的辅助约束作用,将改进的双约束算法模型转化为单约束问题,最终解得最优对角加载量的解析表达式。仿真结果表明改进算法能通过调整主瓣宽度优化波束旁瓣,有效提高了抗矢量偏差的鲁棒性,同时降低了运算量。
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  • 被引次数: 0
出版历程
  • 收稿日期:  2015-11-03
  • 修回日期:  2016-03-31
  • 刊出日期:  2016-08-19

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