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电子学报  2014 

基于脊参数估计的对角加载系数的选取

DOI: 10.3969/j.issn.0372-2112.2014.10.036, PP. 2098-2103

Keywords: 波束形成,对角加载,脊回归,最小二乘,代价函数

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Abstract:

基于脊回归(RidgeRegression)理论,提出一种对角加载系数的非参数计算方法.通过分析剩余矢量随快拍数变化的趋势,该算法将误差绝对值作为剩余矢量的代价函数.仿真结果表明,新算法在小快拍数据和阵列存在失配时能够抑制噪声带来的旁瓣起伏效应,具有较好的稳健性.

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