Results 21 to 30 of about 195,151 (333)
Atrial signal extraction in atrial fibrillation ECGs exploiting spatial constraints [PDF]
, 2008 International audienceThe accuracy in the extraction of the atrial activity (AA) from electrocardiogram (ECG) signals recorded during atrial fibrillation (AF) episodes plays an important role in the analysis and characterization of atrial arrhhythmias ...
Bonizzi, Pietro +4 more
core +2 more sources
Underdetermined noisy blind separation using dual matching pursuits [PDF]
, 2004 Underdetermined blind source separation is a key application in audio where it is desirable to extract multiple sources from a stereo recording. A new variant on the stereo matching pursuit, the dual matching pursuit, is presented whereby independent ...
Canagarajah, CN, Sugden, Paul
core +2 more sources
A Charrelation Matrix-Based Blind Adaptive Detector for DS-CDMA Systems
Sensors, 2015 In this paper, a blind adaptive detector is proposed for blind separation of user signals and blind estimation of spreading sequences in DS-CDMA systems.
Zhongqiang Luo, Lidong Zhu
doaj +1 more source
Shock and Vibration, 2022 The online blind source separation (BSS) is seriously disturbed by strong noise when extracting weak signals and has the defects that it cannot both give consideration to convergence speed and steady-state error.
Tianyi Yu +6 more
doaj +1 more source
Blind Separation Algorithm for Underdetermined Variable Speed Frequency Hopping Signals Based on Improved Time Frequency Detection [PDF]
Jisuanji gongcheng, 2020 The characteristics of high hop rate and variable hop speed of Variable Speed Frequency Hopping(VSFH) signals make the separation of source signals more difficult.Existing underdetermined blind source separation algorithms based on Sparse Component ...
WANG Miao, CAI Xiaoxia, LEI Yingke
doaj +1 more source
A Canonical Genetic Algorithm for Blind Inversion of Linear Channels [PDF]
, 2006 It is well known the relationship between source separation and blind deconvolution: If a filtered version of an unknown i.i.d. signal is observed, temporal independence between samples can be used to retrieve the original signal, in the same manner ...
A. Taleb +6 more
core +1 more source
Algorithms, 2021 As the main method of information transmission, it is particularly important to ensure the security of speech communication. Considering the more complex multipath channel transmission situation in the wireless communication of speech signals and ...
Shiyu Guo +4 more
doaj +1 more source
Blind signal separation algorithm based on temporal predictability and differential search algorithm
Tongxin xuebao, 2014 A novel blind signal separation algorithm based on differential search was proposed for solving the high cal-culated amount problem in blind signal separation algorithm based on bio-inspired optimization.
Lei CHEN +4 more
doaj +2 more sources
Blind source separation methods for deconvolution of complex signals in cancer biology
, 2013 Two blind source separation methods (Independent Component Analysis and Non-negative Matrix Factorization), developed initially for signal processing in engineering, found recently a number of applications in analysis of large-scale data in molecular ...
Kairov, Ulykbek +3 more
core +1 more source
Impulse Noise Suppression Based on Power Iterative ICA in Power Line Communication [PDF]
International Journal of Electronics and Telecommunications, 2019 To overcome the detrimental influence of α impulse noise in power line communication and the trap of scarce prior information in traditional noise suppression schemes , a power iteration based fast independent component analysis (PowerICA) based noise ...
Wei Zhang +2 more
doaj +1 more source