Robust subspace tracking algorithms in signal processing: A brief survey

NV Dung, NL Trung, K Abed-Meraim - REV Journal on Electronics …, 2021 - mail.rev-jec.org
Principal component analysis (PCA) and subspace estimation (SE) are popular data
analysis tools and used in a wide range of applications. The main interest in PCA/SE is for …

Generalized covariance for non-Gaussian signal processing and GC-MUSIC under Alpha-stable distributed noise

S Luan, M Zhao, Y Gao, Z Zhang, T Qiu - Digital Signal Processing, 2021 - Elsevier
Direction of arrival (DOA) estimation is one of the most important techniques applied in many
practical engineering applications. Multiple signal classification (MUSIC) has gained …

Non-circular sources DOA estimation for coprime array with impulsive noise: A novel augmented phased fractional low-order moment

X Dong, X Zhang, J Zhao, M Sun - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The coprime array has become an essential part of array signal processing, which can
obtain a much higher degrees of freedom (DOFs) and larger aperture than that of the …

Automatic modulation classification: Cauchy-Score-function-based cyclic correlation spectrum and FC-MLP under mixed noise and fading channels

S Luan, Y Gao, T Liu, J Li, Z Zhang - Digital Signal Processing, 2022 - Elsevier
Automatic modulation classification (AMC), also termed blind signal modulation recognition,
plays a critical role in various civilian and military applications. Although existing …

Doa estimation of noncircular signals under impulsive noise using a novel empirical characteristic function-based music

M Asghari, M Zareinejad, SM Rezaei… - Circuits, Systems, and …, 2023 - Springer
Noncircular (NC) signals constitute a significant class of signals that are frequently
employed in communication systems. In the presence of extremely impulsive noises …

Enhanced bnc approach for noncircular signals direction finding with sparse array in the scenario of impulsive noise

X Dong, M Sun, J Zhao, X Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sparse array is popular in the field of array signal processing. However, in the direction of
arrival (DOA) estimation, most research on sparse array assumes Gaussian noise, resulting …

Bounded non-linear covariance based ESPRIT method for noncircular signals in presence of impulsive noise

J Zhang, T Qiu, S Luan, H Li - Digital Signal Processing, 2019 - Elsevier
Among the most important approaches in the study of DOA estimation, ESPRIT-like methods
have received considerable attentions and have been widely applied in practical …

Generalized covariance-based ESPRIT-like solution to direction of arrival estimation for strictly non-circular signals under Alpha-stable distributed noise

S Luan, J Li, Y Gao, J Zhang, T Qiu - Digital Signal Processing, 2021 - Elsevier
Direction of arrival (DOA) estimation with high resolution and low computational complexity
has been one essential research topic. Meanwhile, many solutions have been proposed to …

Fast blind equalization using bounded non-linear function with non-Gaussian noise

J Ma, T Qiu, Q Tian - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
Blind equalization is widely utilized to eliminate inter-symbol interference in communication
system. It is still a challenge to support blind equalization method within non-Gaussian noise …

Robust Subspace Tracking with Contamination Mitigation via α-Divergence

AM Rekavandi, AK Seghouane… - ICASSP 2023-2023 …, 2023 - ieeexplore.ieee.org
We studied the problem of robust subspace tracking (RST) in contaminated environments.
Leveraging the fast approximated power iteration and α-divergence, a novel robust …