Two-channel forward NLMS algorithm combined with simple variable step-sizes for speech quality enhancement
Sign Up to like & getrecommendations! Published in 2019 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-018-1269-3
Abstract: This paper addresses the problem of speech quality enhancement by adaptive two-channel filtering algorithms. Recently, the forward blind source separation structure has been proposed and combined with normalized least-mean-square algorithm (FNLMS). The main drawback of… read more here.
Keywords: two channel; step sizes; step; speech quality ... See more keywords
Achieving geometric convergence for distributed optimization with Barzilai-Borwein step sizes
Sign Up to like & getrecommendations! Published in 2021 at "Science China Information Sciences"
DOI: 10.1007/s11432-020-3256-x
Abstract: We consider a distributed multi-agent optimization problem over a time-invariant undirected graph, where each agent possesses a local objective function and all agents collaboratively minimize the average of all objective functions through local computations and… read more here.
Keywords: step sizes; step; geometric convergence; method ... See more keywords
Distributed medium viscosity yields quasi-exponential step-size probability distributions in heterogeneous media.
Sign Up to like & getrecommendations! Published in 2022 at "Soft matter"
DOI: 10.1039/d2sm00952h
Abstract: The analysis of the statistics of random walks undertaken by passive particles in complex media has important implications in a number of areas including pathogen transport and drug delivery. In several systems in which heterogeneity… read more here.
Keywords: step; step size; step sizes; viscosity ... See more keywords
Distributed primal-dual optimisation method with uncoordinated time-varying step-sizes
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Systems Science"
DOI: 10.1080/00207721.2018.1442886
Abstract: ABSTRACT This paper is concerned with the distributed optimisation problem over a multi-agent network, where the objective function is described by a sum of all the local objectives of agents. The target of agents is… read more here.
Keywords: time varying; step sizes; optimisation; uncoordinated time ... See more keywords