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《Wuhan University Journal(Natural Science Edition)》 2003-01
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A Linear Prediction Basedon Improved Solution of Speech Parameters

CHENShu zhen ,ZHANGChen guang ,LIUHuai lin ,ZHANGYu (SchoolofElectronicInformation ,WuhanUniversity ,Wuhan 43 0 0 72 ,Hubei,China)  
Theadditionalwindowfunctionofauto correlationmethoddegradesthesolutionprecisionandwe can’tensuresystemstabilitywhenusingcovariancemethod .Accordingtothetheoryofspeechandlinearpredictive coding ,webringforwardanimprovedmethodtoobtainthetrackmodelparameters .Inthismethod ,atruncated Choleskydecompositionisusedtosolvethecovarianceequations .Itisprovedbypracticethatthismethodnotonly ensuressystemstabilitybutalsoenhancesthesolutionprecision .
【Fund】: 国家自然科学基金 (50 0 9962 0 ) ;; 长江水利委员会资助项目
【CateGory Index】: TN912.32
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【References】
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【Co-references】
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1 LUO Jing~1,ZHONG You-ming~2 (1.College of Application and Technology,Chongqing Jiaotong University,Chongqing 400074,P.R.China;2.College of Information Science and Engineering,Chongqing Jiaotong University,Chongqing 400074,P.R.China);Research and application of wavelet packet time-frequency analysis[J];Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition);2009-03
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【Secondary References】
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1 JI Qing-bo1,2,LU Kan2,LI Kang2 1.School of Automation Science and Electrical Engineering,Beihang University,Beijing 100191,China 2.Information and Communication Engineering College,Harbin Engineering University,Harbin 150001,China;Improved DTW algorithm on isolated-word speech recognition[J];Computer Engineering and Applications;2010-25
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