EFFICIENT DESIGN METHOD OF COSINE-MODULATED QMF BANKS SATISFYING PR PROPERTY-中国期刊网

摘要 Inthispaperthedesignproblemofperfect-reconstructioncosine-modulatedQMFbankshasbeenformulatedasaquadratic-constrainedleast-squares(QCLS)minimizationprobleminwhichallconstrainedmatricesoftheQCLSoptimizationproblemaresymmetricandpositivedefinite.AcostfunctionwhichisaconvexfunctionofdesiredprototypefiltercoefficientsisconstructedsothatthiskindofQCLSoptimizationproblemscanbeefficientlysolved.Soaglobalminimizerofthisproblemcanbeeasilyobtained.Resultsoftwodesignexamplesarepresentedtosupportthederivationsandanalyses.

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EFFICIENT DESIGN METHOD OF COSINE-MODULATED QMF BANKS SATISFYING PR PROPERTY

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EFFICIENT DESIGN METHOD OF COSINE-MODULATED QMF BANKS SATISFYING PR PROPERTY

来源期刊

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