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电子学报  2012 

共形阵列天线信源方位与极化状态的联合估计算法

, PP. 2562-2566

Keywords: 共形阵列天线,DOA,极化,性能分析

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Abstract:

针对共形天线阵列流形的特点,提出了共形阵列天线信源方位与极化状态的联合估计算法.算法的方位估计不需要信源极化状态的任何信息,估计精度高、分辨力强,在完成信源方位估计的同时,还可以精确的估计出信源的极化状态,不需要参数配对,实现了共形阵列天线信源方位与极化状态的联合估计.算法仅需要二维参数搜索,计算量比已有的联合估计算法小,且适用于任意共形载体,具有广泛的应用范围.对算法参数估计的理论性能进行了分析推导,给出了参数估计的CRB(Cramer-RaoBound),并通过Monte-Carlo仿真实验验证了理论分析的正确性与算法的有效性.

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