Results 1 to 10 of about 25,887 (112)

Accelerated Conjugate Gradient for Second-Order Blind Signal Separation

open access: yesAcoustics, 2022
This paper proposes a new adaptive algorithm for the second-order blind signal separation (BSS) problem with convolutive mixtures by utilising a combination of an accelerated gradient and a conjugate gradient method.
Hai Huyen Dam, Sven Nordholm
doaj   +3 more sources

Single-Channel Blind Source Separation of Spatial Aliasing Signal Based on Stacked-LSTM

open access: yesSensors, 2021
Aiming at the problem of insufficient separation accuracy of aliased signals in space Internet satellite-ground communication scenarios, a stacked long short-term memory network (Stacked-LSTM) separation method based on deep learning is proposed.
Mengchen Zhao   +5 more
doaj   +3 more sources

Distributed Phased-Array Radar Mainlobe Interference Suppression and Cooperative Localization Based on CEEMDAN–WOBSS [PDF]

open access: yesSensors
Mainlobe interference can severely degrade the performance of distributed phased-array radar systems in the presence of strong jamming or low-reflectivity targets.
Xiang Liu   +5 more
doaj   +2 more sources

Blind Signal Separation Algorithm for Non-negative Matrix Factorization Based on Projected Gradient [PDF]

open access: yesJisuanji gongcheng, 2016
In blind signal separation process,the Non-negative Matrix Factorization(NMF) based on multiplicative iteration has the problem of large computation and slow decomposition speed.So a new blind signal separation algorithm for NMF based on projected ...
LI Yu,HE Shijun
doaj   +1 more source

Underdetermined Blind Source Separation Algorithm for Speech Signal Based on DSKSVD Dictionary Learning [PDF]

open access: yesJisuanji gongcheng, 2018
In order to overcome the shortcoming that the traditional learning algorithm training has limited dictionary size and large amount of computation,the algorithm of underdetermined blind source separation for speech signal based on the dictionary learning ...
LI Hu,XU Yan
doaj   +1 more source

JCCM: Joint conformer and CNN model for overlapping radio signals recognition

open access: yesElectronics Letters, 2023
Overlapping radio signals recognition is attracting more attention as the development and ubiquitous application of radio technologies. The traditional blind signal separation (BSS) method is mostly not effective when both radio propagation effects and ...
Junbin Liang   +5 more
doaj   +1 more source

Blind source separation algorithm for complex signals in noise

open access: yesDianzi Jishu Yingyong, 2022
Complex signal analysis is one of the common problems in signal processing technology. In blind signal separation technology, especially convolution mixing problem or frequency domain analysis, it is necessary to establish the corresponding complex value
Feng Pingxing, Zhang Hongbo, Li Wenxiang
doaj   +1 more source

Overview of research progress on blind separation methods for single channel communication signal

open access: yesTongxin xuebao, 2023
Significant progress has been made in the research of single channel blind signal separation (SCBSS) methods, as the theoretical and practical applications of SCBSS technology have been continuously improved.A new classification framework for blind ...
Wen DENG, Zhitao HUANG, Xiang WANG
doaj   +2 more sources

Blind Source Separation based on Whale Optimization Algorithm

open access: yesMATEC Web of Conferences, 2018
Aiming at the problem of linear instantaneous aliasing in blind source separation, a new method of blind signal separation using whale optimization algorithm is proposed in this paper, which provides a new research idea and method for blind signal ...
Ding-li CHU, Hong CHEN, Han-yi CHEN
doaj   +1 more source

Blind separation of asymmetric signals based on Synchrosqueezing Wavelet Transform

open access: yesMATEC Web of Conferences, 2018
A blind separation algorithm based on synchronous squeezing wavelet transform is proposed to solve the blind separation problem of single channel asymmetric signals in satellite communications.
Peng Chuang, Yang Xiaojing, Zhang Yu
doaj   +1 more source

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