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When the input signal is correlated input signals, and the input and output signal is contaminated by Gaussian noise, the total least squares normalized subband adaptive filter (TLS-NSAF) algorithm shows good performance. However, when it…

信号处理 · 电气工程与系统科学 2023-07-21 Haiquan Zhao , Zian Cao , Yida Chen

In this paper, we propose a general robust subband adaptive filtering (GR-SAF) scheme against impulsive noise by minimizing the mean square deviation under the random-walk model with individual weight uncertainty. Specifically, by choosing…

信号处理 · 电气工程与系统科学 2022-08-22 Yi Yu , Hongsen He , Rodrigo C. de Lamare , Badong Chen

In recent years, the multitask diffusion least mean square (MD-LMS) algorithm has been extensively applied in the distributed parameter estimation and target tracking of multitask network. However, its performance is mainly limited by two…

信号处理 · 电气工程与系统科学 2022-10-21 Wenjing Xu , Haiquan Zhao , Shaohui Lv

Proportionate-type normalized suband adaptive filter (PNSAF-type) algorithms are very attractive choices for echo cancellation. To further obtain both fast convergence rate and low steady-state error, in this paper, a variable step size…

系统与控制 · 计算机科学 2017-06-30 Yi Yu , Haiquan Zhao

Limited by fixed step-size and sparsity penalty factor, the conventional sparsity-aware normalized subband adaptive filtering (NSAF) type algorithms suffer from trade-off requirements of high filtering accurateness and quicker convergence…

系统与控制 · 电气工程与系统科学 2024-10-28 Dongxu Liu , Haiquan Zhao , Yang Zhou

We propose two sparsity-aware normalized subband adaptive filter (NSAF) algorithms by using the gradient descent method to minimize a combination of the original NSAF cost function and the l1-norm penalty function on the filter…

信号处理 · 电气工程与系统科学 2018-10-18 Y. Yu , H. Zhao , R. C. de Lamare

Recently, the nearest Kronecker product (NKP) decomposition-based normalized least mean square (NLMS-NKP) algorithm has demonstrated superior convergence performance compared to the conventional NLMS algorithm. However, its convergence rate…

音频与语音处理 · 电气工程与系统科学 2026-01-16 Jianhong Ye , Haiquan Zhao

Recently, the normalized subband adaptive filter (NSAF) algorithm has attracted much attention for handling the colored input signals. Based on the first-order Markov model of the optimal tap-weight vector, this paper provides a convergence…

系统与控制 · 计算机科学 2017-06-30 Yi Yu , Haiquan Zhao

The normalized subband adaptive filter (NSAF) is widely accepted as a preeminent adaptive filtering algorithm because of its efficiency under the colored excitation. However, the convergence rate of NSAF is slow. To address this drawback,…

信息论 · 计算机科学 2017-03-20 Lu Lu , Haiquan Zhao

This paper proposes a unified sparsity-aware robust normalized subband adaptive filtering (SA-RNSAF) algorithm for identification of sparse systems under impulsive noise. The proposed SA-RNSAF algorithm generalizes different algorithms by…

机器学习 · 计算机科学 2022-05-17 Yi Yu , Zongxin Huang , Hongsen He , Yuriy Zakharov , Rodrigo C. de Lamare

The spline adaptive filtering (SAF) algorithm-based information-theoretic learning has exhibited strong convergence performance in nonlinear system identification (NSI), establishing SAF as a promising framework for adaptive filtering.…

信号处理 · 电气工程与系统科学 2025-10-23 Haiquan Zhao , Bei Xu

The least mean-square (LMS) filter is one of the most common adaptive linear estimation algorithms. In many practical scenarios, and particularly in digital communications systems, the signal of interest (SOI) and the input signal are…

系统与控制 · 计算机科学 2018-11-28 Nir Shlezinger , Koby Todros

In this paper, we propose a novel normalized subband adaptive filter algorithm suited for sparse scenarios, which combines the proportionate and sparsity-aware mechanisms. The proposed algorithm is derived based on the proximal…

信号处理 · 电气工程与系统科学 2021-08-24 Gang Guo , Yi Yu , Rodrigo C. de Lamare , Zongsheng Zheng , Lu Lu , Qiangming Cai

Non-negative least-mean-square (NNLMS) algorithm and its variants have been proposed for online estimation under non-negativity constraints. The transient behavior of the NNLMS, Normalized NNLMS, Exponential NNLMS and Sign-Sign NNLMS…

机器学习 · 计算机科学 2015-06-18 Jie Chen , José Carlos M. Bermudez , Cédric Richard

Nonlinear sparse sensing (NSS) techniques have been adopted for realizing compressive sensing (CS) in many applications such as Radar imaging and sparse channel estimation. Unlike the NSS, in this paper, we propose an adaptive sparse…

信息论 · 计算机科学 2014-07-24 Guan Gui , Li Xu , Xiao-mei Zhu , Zhang-xin Chen

To improve the robustness of subband adaptive filter (SAF) against impulsive interferences, we propose two modified SAF algorithms with an individual scale function for each subband, which are derived by maximizing correntropy-based cost…

其他计算机科学 · 计算机科学 2017-06-30 Yi Yu , Haiquan Zhao , Badong Chen , Zhengyou He

In order to improve the performances of recently-presented improved normalized subband adaptive filter (INSAF) and proportionate INSAF algorithms for highly noisy system, this paper proposes their set-membership versions by exploiting the…

系统与控制 · 计算机科学 2017-08-03 Yi Yu , Haiquan Zhao , Badong Chen

The conventional normalized subband p-norm (NSPN) algorithm achieves robustness in $\alpha$-stable noise ($1<\alpha \leq 2$) by utilizing low-order error moments. However, its performance degrades significantly under three scenarios: (1)…

音频与语音处理 · 电气工程与系统科学 2026-05-19 Jianhong Ye , Haiquan Zhao , Shaohui Lv , Yang Zhou

We consider discrete-time distributed averaging algorithms over multi-agent networks with measurement noises and time-varying random graph flows. Each agent updates its state by relative states between neighbours with both additive and…

社会与信息网络 · 计算机科学 2017-02-14 Tao Li , Jiexiang Wang

A distributed adaptive algorithm for estimation of sparse unknown parameters in the presence of nonGaussian noise is proposed in this paper based on normalized least mean fourth (NLMF) criterion. At the first step, local adaptive NLMF…

信息论 · 计算机科学 2015-12-09 Mojtaba Hajiabadi
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