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Accession number:       
20124115548045
        Title:        Sparse decomposition over combined over-complete dictionary
        Authors:         Yu, Fu-Ping1 Email author junjingj@163.com; Feng, You-Qian2; Gao, Da-Hua2; An, Qin-Li2
        Author affiliation:        1 Missile Institute, Air Force Engineering University, Sanyuan 713800, China
                2 School of Science, Air Force Engineering University, Xi'an 710051, China
        Corresponding author:         Yu, F.-P. (junjingj@163.com)
        Source title:        Kongzhi yu Juece/Control and Decision
        Abbreviated source title:        Kongzhi yu Juece Control Decis
        Volume:        27
        Issue:        8
        Issue date:        August 2012
        Publication year:        2012
        Pages:        1237-1240+1245
        Language:        Chinese
        ISSN:         10010920
        CODEN:         KYJUEF
        Document type:        Journal article (JA)
        Publisher:        Northeast University, P.O. Box 125, Shenyang, 110005, China
        Abstract:        Complex signal with multiple features can not be decomposed sparsely in single feature over-complete dictionary, so the idea of building the combined over-complete dictionary is proposed. The combined over-complete dictionary is composed of many over-complete dictionaries with a single feature, and contains the information of every separate signal. The complex signal has sparsity in the combined over-complete dictionary. The decomposition result of the complex signal in a combined over-complete dictionary is contrasted with the decomposition result in an over-complete dictionary with a single feature. Simulation results show the rationality and effectiveness of the proposed idea of the combined over-complete dictionary.
        Number of references:        13
        Main heading:         Signal processing
        Controlled terms:         Computer simulation  -  Control  -  Signal reconstruction
        Uncontrolled terms:         Complex signal  -  Decomposition coefficient  -  Multiple features  -  Over-complete  -  Sparse decomposition
        Classification code:         716.1 Information Theory and Signal Processing -  723.5 Computer Applications -  731 Automatic Control Principles and Applications -  732 Control Devices
        Database:        Compendex
                Compilation and indexing terms, © 2013 Elsevier Inc.
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