Off-grid direction-of-arrival estimation using coprime array interpolation

C Zhou, Y Gu, Z Shi, YD Zhang - IEEE Signal Processing …, 2018 - ieeexplore.ieee.org
In this letter, we propose a coprime array interpolation approach to provide an off-grid
direction-of-arrival (DOA) estimation. Through array interpolation, a uniform linear array …

Iterative methods for subspace and DOA estimation in nonuniform noise

B Liao, SC Chan, L Huang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Usually, direction-of-arrival (DOA) estimators are derived under the assumption of uniform
white noise, whose covariance matrix is a scaled identity matrix. However, in practice, the …

Direction of arrival estimation of wideband sources using sparse linear arrays

F Wang, Z Tian, G Leus, J Fang - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
In this paper, we study the problem of wideband direction of arrival (DoA) estimation with
sparse linear arrays (SLAs), where a number of uncorrelated wideband signals impinge on …

Difference-frequency MUSIC for DOAs

Y Park, P Gerstoft, JH Lee - IEEE Signal Processing Letters, 2022 - ieeexplore.ieee.org
The direction-of-arrivals (DOAs) of plane waves in a high-frequency region are estimated
without spatial aliasing using multi-frequency processing. The method exploits the difference …

Deep learning denoising based line spectral estimation

Y Jiang, H Li, M Rangaswamy - IEEE Signal Processing Letters, 2019 - ieeexplore.ieee.org
Many well-known line spectral estimators may experience significant performance loss with
noisy measurements. To address the problem, we propose a deep learning denoising …

New approaches to direction-of-arrival estimation with sensor arrays in unknown nonuniform noise

B Liao, L Huang, C Guo, HC So - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
It is known that classical subspace-based direction-of-arrival (DOA) estimation algorithms
are not straightforwardly applicable to scenarios with unknown spatially nonuniform noise …

Coprime array-based DOA estimation in unknown nonuniform noise environment

K Liu, YD Zhang - Digital Signal Processing, 2018 - Elsevier
In this paper, we propose direction-of-arrival (DOA) estimation techniques, respectively
based on covariance matrix reconstruction and matrix completion, to achieve robust DOA …

Underdetermined DOA estimation method for wideband signals using joint nonnegative sparse Bayesian learning

N Hu, B Sun, Y Zhang, J Dai, J Wang… - IEEE Signal …, 2017 - ieeexplore.ieee.org
Underdetermined direction-of-arrival (DOA) estimation for wideband signals by sparse
arrays is discussed in the framework of sparse Bayesian learning (SBL). The problem is …

Underdetermined DOA estimation for wideband signals via joint sparse signal reconstruction

Y Shi, XP Mao, C Zhao, YT Liu - IEEE Signal Processing Letters, 2019 - ieeexplore.ieee.org
In this letter, we consider the problem of underdetermined direction-of-arrival estimation of
wideband signals using nested arrays in the framework of sparse signal recovery. The …

[HTML][HTML] 基于分布式压缩感知的宽带欠定信号DOA 估计

蒋莹, 王冰切, 韩俊, 何翼 - 电子与信息学报, 2019 - jeit.ac.cn
为解决基于稀疏阵列的宽带欠定信号到达角(DOA) 估计问题, 该文提出基于分布式压缩感知(
DCS) 的宽带DOA 估计算法. 首先, 对稀疏阵列宽带信号处理模型进行理论推导与分析 …