迭代数控制的稀疏约束波束形成算法Sparse Constrained Beamforming Algorithm Controlled by Iterative Number
曹占中,胡冬妮,李煦,潘接林,颜永红
摘要(Abstract):
研究了基于L1范数约束的快速迭代算法,分析了其迭代过程以及与波束形成算法相结合的方式。提出了一种基于迭代数控制的波束形成算法,并给出了实现过程。所提算法避免了现有算法对信噪比估计的依赖,并提高了算法在低信噪比环境下的干扰抑制能力。经验证,该方法在维持了较低复杂度的前提下,其信干噪比在不同信噪比条件下的稳健性要优于对比算法。
关键词(KeyWords): 波束形成;稀疏约束;自适应滤波;阵列信号处理
基金项目(Foundation): 国家自然科学基金(批准号:11461141004,61271426,U1536117,11504406,11590770-4);; 中国科学院战略性先导科技专项(面向感知中国的新一代信息技术研究,编号:XDA06030100,XDA06030500,XDA06040603);; 国家863计划(编号:2015AA016306);; 国家973计划(编号:2013CB329302);; 新疆维吾尔自治区科技重大专项(编号:201230118-3)经费资助
作者(Author): 曹占中,胡冬妮,李煦,潘接林,颜永红
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