基于稀疏表示的稀疏线阵列DOA估计方法

2015 IEEE International Conference on Communication Software and Networks (ICCSN) Pub Date : 2015-06-06 DOI:10.1109/ICCSN.2015.7296182

Tang Bin, Mo Lei, Wu Honggang, Peng Wei

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引用次数: 2

摘要

提出了一种新的基于接收信号稀疏近似表示的DOA估计算法。与子空间算法相比，该算法具有超分辨率，不需要先验的信号个数信息，因此可以处理相干信号。该方法采用0-范数与2-范数相结合的混合范数辅助稀疏近似表示，得到信号的个数和信号的DOA估计。数值结果与所提出的定理很好地吻合。

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DOA estimation approach using sparse representation for sparse line array

A new DOA estimation algorithm based on the sparse approximate representation of the received signals is proposed. Compared with subspace algorithms, the new algorithm with superresolution, needn't a priori information of the number of signals, therefore it can deal with coherent signals. In the novel method, mixed norm combined 0-norm and 2-norm is used to aid sparse approximate representation, then the number of signals and signals' DOA estimation is obtained. The numeric results show good agreement with the proposed theorem.

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来源期刊

2015 IEEE International Conference on Communication Software and Networks (ICCSN)

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