[HTML][HTML] Wideband direction-of-arrival estimation based on hierarchical sparse Bayesian learning for signals with the same or different frequency bands

Y Yang, Y Zhang, L Yang, Y Wang - Electronics, 2023 - mdpi.com
Wideband sparse Bayesian learning (WSBL) based on joint sparsity achieves high direction-
of-arrival (DOA) estimation precision when the signals share the same frequency band …

Gridless wideband DOA estimation in nonuniform noise with increased DOFs

Q Gong, S Zhong, S Ren, Z Peng, G Wang, X Li - Signal Processing, 2023 - Elsevier
This paper presents gridless schemes for direction finding of wideband sources using
sparse array with nonuniform noise. According to the frequencies relationship, we obtain …

Iterative Broadband Source Localization

C DeLude, RS Srinivasa, S Karnik… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
In this paper we consider the problem of localizing a set of broadband sources from a finite
window of measurements. In the case of narrowband sources this can be reduced to the …

Fast and accurate wideband sparse spatial spectrum estimation in an underwater strong interference environment

Q Fan, Y Yu, L An, H Cao, C Zhu - The Journal of the Acoustical Society …, 2023 - pubs.aip.org
Wideband sparse spatial spectrum estimation is an important direction-of-arrival (DOA)
estimation method that can obtain a high resolution with few snapshots and a low signal-to …

[HTML][HTML] Wideband DOA Estimation Utilizing a Hierarchical Prior Based on Variational Bayesian Inference

N Li, X Zhang, B Zong, F Lv, J Xu, Z Wang - Electronics, 2023 - mdpi.com
The direction-of-arrival (DOA) estimation of wideband signals, based on sparse signal
reconstruction, has recently been proposed, owing to its unique high-resolution …

An Underdetermined Wideband 2-D DOA Estimation Algorithm via Acoustic Vector-Sensor Coprime Array

X Han, M Liu, S Zhang - 2023 IEEE International Conference …, 2023 - ieeexplore.ieee.org
In this paper, the issue of underdetermined two-dimensional (2-D) direction-of-arrival (DOA)
estimation of underwater wideband signals is investigated by using an acoustic vector …