吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (2): 703-710.doi: 10.13229/j.cnki.jdxbgxb20181221
• 通信与控制工程 • 上一篇
基于托普利兹矩阵集重构的相干信源波达方向估计
张薇1,2(
),韩勇3,金铭3(),乔晓林3
- 1.哈尔滨工业大学 电子与信息工程学院，哈尔滨 150001
2.北方民族大学 电信学院，银川 750021
3.哈尔滨工业大学（威海） 信息工程研究所，山东 威海 264209
Toeplitz matrices reconstruction based DOA estimation for coherent signals
Wei ZHANG1,2(),Yong HAN3,Ming JIN3(),Xiao-lin QIAO3
- 1.School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001
2.School of Electrical & Information Engineering, North Minzu University, Yinchuan 750021, China
3.School of Information Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China
摘要：
针对常规相干信源波达方向估计托普利兹矩阵重构算法仅利用部分阵列接收数据的互相关或协方差矩阵进行重构，信息利用不完整且部分算法需去噪声处理等问题，提出一种改进托普利兹矩阵重构算法。利用阵元接收数据矢量构造包含阵元完整相关矩阵信息的托普利兹矩阵集，通过Hermitian转置矩阵修正及正反向平滑运算得到满秩矩阵，并结合运算量低的ESPRIT算法实现相干信号角度估计，同时避免去噪声处理。计算机仿真结果验证了算法的有效性。
中图分类号:
- TN911.7
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