Adaptive beamforming algorithm for coprime array based on interference and noise covariance matrix reconstruction

Y Du, H Xu, W Cui, C Jian… - IET Radar, Sonar & …, 2022 - Wiley Online Library
Compared with the uniform linear array (ULA) under the same physical array element, the
coprime array can obtain a higher degree of freedom and a larger array aperture, so it has …

DOA estimation via coarray tensor completion with missing slices

H Zheng, C Zhou, ALF de Almeida… - ICASSP 2022-2022 …, 2022 - ieeexplore.ieee.org
In this paper, a coarray tensor completion-based direction-of-arrival (DOA) estimation
method is proposed for coprime planar array. To perform Nyquist-matched coarray signal …

[PDF][PDF] 阵元位置互质的线性阵列: 互耦分析和角度估计

何劲, 唐莽, 舒汀, 郁文贤 - 电子与信息学报, 2022 - jeit.ac.cn
该文研究了阵元位置互质的线性阵列(CLA) 的互耦分析和角度估计问题. 首先,
给出了阵元位置互质的线性阵列的定义, 证明了其导向矢量是不模糊的. 随后, 利用高阶累积量 …

非均匀噪声环境下基于MISC 阵列的自适应波束形成方法.

马立斯, 何培宇, 崔敖, 喻伟闯 - Journal of Signal …, 2022 - search.ebscohost.com
针对现有基于干扰加噪声协方差矩阵(Interference plus Noise Covariance Matrix, INCM)
重建的自适应波束形成算法在非均匀噪声的情形中对于噪声功率估计不够准确的问题 …

[PDF][PDF] 基于矩阵差分的远场和近场混合源定位方法

刘振, 苏晓龙, 刘天鹏, 彭勃, 陈鑫, 刘永祥 - Journal of Radars, 2021 - radars.ac.cn
混合源定位在无源雷达中发挥着重要作用. 针对均匀圆阵下基于相位差方法的定位精度较低的
问题, 该文提出基于矩阵差分的远场和近场混合源定位方法. 首先, 利用二维多重信号(2-D …

Joint coprime weights optimization for sub-nyquist tensor beamforming

H Zheng, C Zhou, Z Shi, C Yan - 2022 IEEE Radar Conference …, 2022 - ieeexplore.ieee.org
The emerging tensor beamformers are capable of structurally filtering multi-dimensional
signals of sensor arrays. Although the popular sparse arrays have been utilized to enhance …

[HTML][HTML] 稀疏多极化阵列设计研究进展与展望

悦亚星, 李天宇, 周成伟, 袁鑫, 史治国 - 雷达学报, 2022 - radars.ac.cn
相较于稀疏标量阵列和均匀多极化阵列, 稀疏多极化阵列由于其可感知信号的极化状态,
避免极化失配以及增加阵列自由度, 减小互耦效应与降低硬件成本等优点, 对其进行系统性研究 …

Sample fourth-order cumulant tensor denoising for DOA estimation with coprime L-shaped array

H Zheng, C Zhou, Y Wang, J Zhou… - 2021 55th Asilomar …, 2021 - ieeexplore.ieee.org
Tensor-based direction-of-arrival (DOA) estimation using sparse arrays suffers performance
loss from noise perturbations which are twofold, namely, the noise power embedded in the …

EMVS 互质面阵张量波束成形

郑航, 周成伟, 王勇, 史治国 - 信号处理, 2024 - signal.ejournal.org.cn
相比于标量传感器均匀阵列, 电磁矢量传感器(electromagnetic vector sensor, EMVS)
稀疏阵列能够在降低系统软硬件成本的同时感知更大范围, 更高维度的空间信号信息 …

A New Sparse Bayesian Learning-Based Direction of Arrival Estimation Method with Array Position Errors

Y Tian, X Wang, L Ding, X Wang, Q Feng, Q Zhang - Mathematics, 2024 - mdpi.com
In practical applications, the hydrophone array has element position errors, which seriously
degrade the performance of the direction of arrival estimation. We propose a direction of …