DOA estimation exploiting a uniform linear array with multiple co-prime frequencies
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- 作者：Si Qina ; Yimin D. Zhangb ; ydzhang@temple.edu" class="auth_mail" title="E-mail the corresponding author ; Moeness G. Amina ; Braham Himedc
- 关键词：DOA estimation ; Co-prime array ; Sparse sampling ; Group sparsity ; Sparse Bayesian learning
- 刊名：Signal Processing
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：130
- 期：Complete
- 页码：37-46
- 全文大小：1531 K
文摘
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We have proposed a novel co-prime array structure that exploits a single uniform linear array and a co-prime set of frequencies.
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We have derived the analytical expressions of the array aperture and the number of DOFs with respect to two and multiple co-prime frequencies.
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DOA estimation is formulated as a group sparse compressive sensing problem, and is effectively solved by the complex multi-task Bayesian compressive sensing technique.