简介：Assemblingindividuallinephasefilterstoformamulti-channelfilterbankallowsthesynthesisfiltertobesimilartocorrespondinganalysisfilters,andthedesigncalculationcanbesimple.Theappropriaterelationsbetweensynthesisfiltersandanalysisfilterseliminatemostaliasingresultingfromdecimationinnon-uniformmaximallydecimatingfilterbanks,andLSalgorithmandRemezalgorithmareusedtooptimizethecompositecharacter.ThisdesignmethodcanachieveapproximatePerfect-Reconstruction.Anexampleisgiveninwhichthegeneralparameterfilterswithapproximatelinephaseareusedasunitsofafilterbank.

简介：ThispapercomparesthedevelopmentoftelecomregulationandderegulationbetweensometypicalAsiancountries,andanalyzesthetelecomregulatorysystemsandindustrialorganizationsofChina.ThispaperalsoinvestigatestheapproachesandstrategiesofAsiancountriestoreducetheregulation,reinforcethecompetitionandestablishefficienttelecomindustries.HavingexaminedtheAsiantelecommunicationmarkets,thepaperattemptstoapplythelessonslearnedfromtheopeningofthetelecomsmarketsofthedevelopedeconomies.FinallythepapercontendsthatifAsianeconomieswishtohavenationallybasedcompanies,stateorprivateenterprises,inacompetitivepostion,theformatoftheimplementationoftheWTO/GATSbasictelecomsagreementshouldbecarefullyexamined.