一种冲击噪声下相干分布源多峰DOA估计方法
A Multimodal DOA Estimation Method of Coherently Distributed Sources in Impulse Noise
- 电子学报 2023年51卷第9期 页码：2330-2340
- 作者机构：
1.哈尔滨工程大学信息与通信工程学院，黑龙江哈尔滨 150001
2.哈尔滨工程大学智能科学与工程学院，黑龙江哈尔滨 150001
- 作者简介：
[ "高洪元 男，1977年出生，黑龙江木兰人. 现为哈尔滨工程大学副教授、博士生导师. 主要研究方向为无线通信系统、阵列信号处理、智能计算理论及应用.中国电子学会会员编号：E190014628M. E-mail: gaohongyuan@hrbeu.edu.cn" ]
[ "刘亚鹏 男，1999年出生，河北邯郸人. 现为哈尔滨工程大学博士研究生. 主要研究方向为阵列信号处理、智能计算理论及应用.E-mail: liuyapeng@hrbeu.edu.cn" ]
[ "杜亚男 女，1992年出生，黑龙江讷河人. 现为哈尔滨工程大学博士研究生. 主要研究方向为量子优化算法、群智能计算、认知无线电和阵列信号处理. E-mail: wenhuamo@126.com" ]
[ "程建华 男，1977年出生，黑龙江哈尔滨人. 现为哈尔滨工程大学教授、博士生导师. 主要研究方向为惯性导航与定位技术、组合导航技术.中国电子学会会员编号：E190017540S. E-mail: chengjianhua@hrbeu.edu.cn" ]
[ "孙贺麟 男，1999年出生，吉林吉林人. 现为哈尔滨工程大学博士研究生. 主要研究方向为统计信号分析和阵列信号处理. E-mail: sunhelin1999@gmail.com" ]
- 基金信息：国家自然科学基金(62073093);黑龙江省自然科学基金(LH2020F017);黑龙江省博士后科研启动金(LBH-Q19098)
DOI：10.12263/DZXB.20211655
中图分类号： TN911.7收稿：2021-12-14，
修回：2022-11-03，
纸质出版：2023-09-25
- 稿件说明：
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高洪元,刘亚鹏,杜亚男等.一种冲击噪声下相干分布源多峰DOA估计方法[J].电子学报,2023,51(09):2330-2340.
GAO Hong-yuan,LIU Ya-peng,DU Ya-nan,et al.A Multimodal DOA Estimation Method of Coherently Distributed Sources in Impulse Noise[J].ACTA ELECTRONICA SINICA,2023,51(09):2330-2340.
高洪元,刘亚鹏,杜亚男等.一种冲击噪声下相干分布源多峰DOA估计方法[J].电子学报,2023,51(09):2330-2340. DOI： 10.12263/DZXB.20211655.
GAO Hong-yuan,LIU Ya-peng,DU Ya-nan,et al.A Multimodal DOA Estimation Method of Coherently Distributed Sources in Impulse Noise[J].ACTA ELECTRONICA SINICA,2023,51(09):2330-2340. DOI： 10.12263/DZXB.20211655.
摘要
针对现有相干分布源波达方向（Direction Of Arrival， DOA）估计方法计算量大、抗冲击噪声能力弱和不能有效去相干等难题，本文提出了一种冲击噪声下相干分布源多峰DOA估计方法，并推导了冲击噪声下相干分布源DOA估计的克拉美罗界.为了实现冲击噪声下相干分布源DOA估计，采用加权范数协方差抑制冲击噪声，进而首次推导出多峰加权信号子空间拟合方程，并设计了一种多峰量子秃鹰算法快速无量化误差求解.仿真结果表明，所提方法在冲击噪声下能够以较小的快拍数实现相干分布源DOA估计，且无需额外的解相干操作即可有效去相干.与一些已有的高精度DOA估计方法相比，所提方法仿真时间明显缩短，且具有更高的估计精度和估计成功概率，突破了已有相干分布源DOA估计方法的应用局限，可推广应用于其他复杂的DOA估计问题中.
Abstract
To address the problems of the existing direction of arrival (DOA) estimation methods of coherently distributed sources
such as huge computational complexity
inferior performance in impulse noise and ineffective decoherence ability
a multimodal DOA estimation method of coherently distributed sources in impulse noise is proposed and the Cramér-Rao bound is derived for DOA estimation of coherently distributed sources in the impulse noise. A multimodal weighted signal subspace fitting equation
employing the weighted norm covariance
is derived firstly to achieve the DOA estimation of coherently distributed sources in the impulse noise
meanwhile
a multimodal quantum bald eagle algorithm is designed to quickly solve the derived equation without quantization error. Simulation results show that the proposed method can achieve the DOA estimation of coherently distributed sources with a small number of snapshots in the impulse noise
and can locate coherent sources without additional decoherence operations. Compared with the existing high precision DOA estimation methods
the proposed method has shorter simulation time and higher estimation accuracy and successful rate
which breaks through the application limitations of the existing coherently distributed source DOA estimation methods and can be popularized and applied in other complex DOA estimation problems.
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references
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