|
|
自动化学报 2005
基于变尺度正交小波包变换的脉冲响应辨识方法研究, PP. 567-577 Keywords: Waveletpackettransform(WPT),time-frequencyanalysis,Eykhoffalgorithm,impulseresponseidentification Abstract: ？Inthispaper,byapplyingagroupofspecificorthogonalwaveletpackettoEykhoffalgorithm,anewimpulseresponseidentificationalgorithmbasedonvaryingscaleorthogonalWPTisprovided.IncomparisontoEykhoffalgorithm,thenewalgorithmhasbetterpracticabilityandwiderapplicationrange.Simulationresultsshowthattheproposedimpulseresponseidentificationalgorithmcanbeappliedtobothdeterministicandrandomsystems,andisofhigheridentificationprecision,strongeranti-noiseinterferenceabilityandbettersystemdynamictrackingproperty.
|
