Two sparse-based methods for off-grid direction-of-arrival estimation

X Wu, WP Zhu, J Yan, Z Zhang - Signal processing, 2018 - Elsevier
Recently, many sparse-based methods have been proposed for direction-of-arrival (DOA)
estimation. However, these methods often suffer from the grid mismatch problem caused by …

Controllable sparse antenna array for adaptive beamforming

W Shi, Y Li, L Zhao, X Liu - IEEE Access, 2019 - ieeexplore.ieee.org
We propose an-norm constrained normalized least-mean-square (CNLMS) adaptive
beamforming algorithm for controllable sparse antenna arrays. To control the sparsity of the …

Ultrafast and ultrahigh-resolution diffuse optical tomography for brain imaging with sensitivity equation based noniterative sparse optical reconstruction (sensor)

HK Kim, Y Zhao, A Raghuram, A Veeraraghavan… - Journal of Quantitative …, 2021 - Elsevier
We introduce a novel image reconstruction method for time-resolved diffuse optical
tomography (DOT) that yields submillimeter resolution in less than a second. This opens the …

Iterative reweighted proximal projection based DOA estimation algorithm for monostatic MIMO radar

J Chen, Y Zheng, T Zhang, S Chen, J Li - Signal Processing, 2020 - Elsevier
The problem of nonconvex and nonsmooth sparse representation for direction of arrival
(DOA) estimation in monostatic multiple-input multiple-output (MIMO) radar is addressed in …

Toeplitz rectification based DOA estimation under the coexistence of mutual coupling and nonuniform noise

K Wen, Y Tian, Y Qin, M Jin - AEU-International Journal of Electronics and …, 2023 - Elsevier
It is studied that both the array mutual coupling (MC) and nonuniform noise could degrade
direction-of-arrival (DOA) estimators' performance substantially, and thus it is of necessity to …

Tensor-Based Sparsity-Inducing Localization of AAV Swarms-Assisted Mobile Edge Computing Systems

Y Wang, Z Zhang, S Luo, N Kumar… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Autonomous aerial vehicle (AAV)-assisted mobile edge computing systems have high
mobility and can be deployed in various rugged terrain and emergency scenarios for …

Robust estimation of the number of coherent radar signal sources using deep learning

J Rogers, JE Ball, AC Gurbuz - IET radar, sonar & navigation, 2021 - Wiley Online Library
A deep‐learning‐based approach to estimating the number of coherent sources in radar is
presented. A proper estimate of the number of sources in a signal enables improved angle …

Joint Smoothed l0-Norm DOA Estimation Algorithm for Multiple Measurement Vectors in MIMO Radar

J Liu, W Zhou, FH Juwono - sensors, 2017 - mdpi.com
Direction-of-arrival (DOA) estimation is usually confronted with a multiple measurement
vector (MMV) case. In this paper, a novel fast sparse DOA estimation algorithm, named the …

Joint angle and range estimation in the fda-mimo radar: The reduced-dimension root music algorithm

C Wang, W Zheng, P Gong, Z Li - Wireless Personal Communications, 2020 - Springer
The frequency diverse array (FDA) multiple-input multiple-output (MIMO) radar is capable of
producing the angle-range-dependent beampattern by utilizing a small frequency increment …

Parameter Estimation With Bistatic MIMO Radar: A Coarray Tensor Decomposition Framework

W Wang, X Wang, Y Guo, G Gui - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The traditional parameter estimation method based on the matrix framework in multiple-input
multiple-output (MIMO) radar with sparse arrays loses the information of the tensor signal …