Anewhybridwavelet-Kalmanfiltermethodfortheestimationofdynamicsystemisdeveloped,Usingthismethod,thereal-timemultiscaleestimationofthedynamicsystemisimplemented,andtheobservationequationestablishedisfortheobjectsignalitselfratherthanitswaveletdecomposition.Thesimulationresultsshowthatthismethodcanbeusedtoestimatetheobject'sstateofthestackedsystem,whichisthefoundationofmultiscaledatafusion;besidestheperformanceofthenewalgorithmdevelopedintheletterisalmostoptimal.