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电子学报  2012 

联合校正源空域信息和时域波形信息的乘性阵列误差校正方法

, PP. 2382-2389

Keywords: 阵列误差校正,有源校正,乘性阵列误差,幅相误差,互耦,空域信息,时域波形信息,克拉美罗界

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Abstract:

针对乘性阵列误差(包括幅相误差和互耦)的校正问题,该文依据最大似然准则,提出联合校正源空域信息和时域波形信息的误差校正方法,该方法通过"嵌入式"Newton迭代以及交替迭代实现乘性阵列误差参数的数值优化,具有较快的收敛速度和较高的数值稳健性.此外,文中分别在校正源时域波形信息未知和已知这两种情况下推导乘性阵列误差参数的克拉美罗界.仿真实验验证文中新算法的优越性.

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