Two Dimensional Direction of Arrival Estimation for Co-prime L-shaped Array Using Sparse Reconstruction

被引:0
|
作者
Liu, Qinghua [1 ]
Yi, Xiaodong [1 ]
Jin, Liangnian [1 ]
Chen, Wei [1 ]
机构
[1] Guilin Univ Elect Technol, Guangxi Expt Ctr Informat Sci, Guilin, Peoples R China
关键词
Co-prime L-shaped array; sparse reconstruction; Khatri-Rao product; two dimensional direction-of-arrival;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The maximum estimable number of sources of the traditional algorithms of Two Dimensional Direction-of-Arrival (2D-DOA) estimation have large amount of calculations, and the maximum estimable number of sources is strictly limited by the number of array elements. In this paper, with the co-prime L-shaped array, a sparse reconstruction method using the Khatri-Rao (KR) product is proposed. The 2D-DOA estimation is transformed into two 1D-DOA processes, and the parameters are automatically paired. The simulation results show that the proposed method can accurately handle more sources than physical sensors to improve the spatial resolution under small number of snapshots.
引用
收藏
页码:1499 / 1503
页数:5
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