邱天爽1,,,
栾声扬2,
李景春3,
李蓉3
1.大连理工大学电子信息与电气工程学部 大连 116024
2.江苏师范大学电气工程及自动化学院 徐州 221116
3.国家无线电监测中心 北京 100037
基金项目:国家自然科学基金(61671105, 61172108, 61139001, 81241059, 61501301, 61801197)
详细信息
作者简介:张家成:男,1993年生,博士,主要研究方向为阵列信号处理,非高斯非平稳信号处理
邱天爽:男,1954年生,教授,博士生导师,研究方向为非平稳高斯统计信号处理,数字信号处理等
栾声扬:男,1983年生,博士,讲师,硕士生导师,主要研究方向为非高斯非平稳信号处理,深度学习
李景春:男,1966年生,博士,教授级高级工程师,主要研究方向为无线电监测理论与应用等
李蓉:女,1984年生,博士,高级工程师,研究方向为认知无线电与数字信号处理等
通讯作者:邱天爽 qiutsh@dlut.edu.cn
中图分类号:TN911.7计量
文章访问数:559
HTML全文浏览量:129
PDF下载量:53
被引次数:0
出版历程
收稿日期:2019-07-11
修回日期:2019-11-22
网络出版日期:2020-09-01
刊出日期:2020-11-16
Wideband DOA Estimation via Cyclic Correntropy and Sparse Reconstruction in the Presence of Impulsive Noise
Jiacheng ZHANG1,Tianshuang QIU1,,,
Shengyang LUAN2,
Jingchun LI3,
Rong LI3
1. Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China
2. School of Electrical Engineering and Automation, Jiangsu Normal University, Xuzhou 221116, China
3. The State Radio Monitoring Center, Beijing 100037, China
Funds:The National Natural Science Foundation of China (61671105, 61172108, 61139001, 81241059, 61501301, 61801197)
摘要
摘要:针对脉冲噪声与同频带干扰并存时宽带信号的波达方向(DOA)估计问题,该文提出一种结合循环相关熵(CCE)与稀疏重构的算法。首先,分析了宽带信源的接收信号模型,并利用循环相关熵的性质构造出对脉冲噪声与同频带干扰具有抑制能力的宽带信号虚拟输出阵列。随后对该虚拟输出阵列进行稀疏表示,并通过归一化迭代硬阈值(NIHT)算法进行稀疏重构,从而估计宽带信号的波达方向。实验结果表明,该算法对脉冲噪声和同频带干扰具有很好的抑制作用,并且相较已有算法在估计性能方面有明显的改善。
关键词:宽带DOA/
脉冲噪声/
循环相关熵/
稀疏重构
Abstract:To deal with wideband band Direction Of Arrival (DOA) estimation in the presence of impulsive noise and co-channel interferences, a novel method is proposed with the help of Cyclic CorrEntropy (CCE) and sparse reconstruction. Firstly, the received signal model of wideband sources is analyzed and a virtual array output is constructed, which shows resistance to impulsive noise and co-channel interferences via the characteristics of CCE. Then, to extract the DOA of wideband signals, the virtual array output with a sparse structure is represented and the Normalized Iterative Hard Thresholding (NIHT) is utilized to solve the sparse reconstruction problem. Comprehensive simulation results demonstrate that the proposed method has efficient suppression on impulsive noise and co-channel interference and it can improve both accuracy and efficiency than existing methods.
Key words:Wideband DOA/
Impulsive noise/
Cyclic CorrEntropy (CCE)/
Sparse reconstruction
PDF全文下载地址:
https://jeit.ac.cn/article/exportPdf?id=ee5a0916-7531-4468-a513-4e8884c30ec7