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兵工学报  2015 

匹配滤波器失配下的双基地多输入多输出雷达多目标角度估计

DOI: 10.3969/j.issn.1000-1093.2015.08.016, PP. 1487-1493

Keywords: 雷达工程,双基地多输入多输出雷达,匹配滤波器失配,二次规划,克拉美罗界,ESPRIT算法

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Abstract:

?提出了基于匹配滤波器失配的双基地多输入多输出(MIMO)雷达多目标角度估计算法。建立了存在时延、多普勒频率补偿误差情形下的双基地MIMO雷达模型。采用交替迭代的思想,将发射角、时延补偿误差和多普勒频率补偿误差的参数估计问题转化为一个二次规划问题并求解出发射角。用ESPRIT算法估计目标的接收角,并且实现了收发角度的自动配对。仿真实验证明了ESPRIT算法的有效性。此外在附录中推导了本文信号模型下的克拉美罗界。提出了基于匹配滤波器失配的双基地多输入多输出(MIMO)雷达多目标角度估计算法。建立了存在时延、多普勒频率补偿误差情形下的双基地MIMO雷达模型。采用交替迭代的思想,将发射角、时延补偿误差和多普勒频率补偿误差的参数估计问题转化为一个二次规划问题并求解出发射角。用ESPRIT算法估计目标的接收角,并且实现了收发角度的自动配对。仿真实验证明了ESPRIT算法的有效性。此外在附录中推导了本文信号模型下的克拉美罗界。

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