简介：ThispaperproposesanobjectorientedmodelschedulingforparallelcomputinginmediaMultiProcessorsSystemonChip(MPSoC).Firstly,theCoarseGrainDataFlowGraph(CGDFG)parallelprogrammingmodelisusedinthisapproach.Secondly,thisapproachhasthefeatureofunifiedabstractionforsoftwareobjectsimplementinginprocessorandhardwareobjectsimplementinginASICs,easyformappingCGDFGprogrammingonMPSoC.Thisapproachcutsdownthekerneloverheadandreducesthecodesizeeffectively.Theprincipleoftheorientedobjectmodel,themethodofscheduling,andhowtomapaparallelprogrammingthroughCGDFGtotheMPSoCareanalyzedinthisapproach.Thisapproachalsocomparesthecodesizeandexecutioncycleswithconventionalcontrolflowscheduling,andpresentsrespectivemanagementoverheadforoneapplicationinme-dia-SoC.

简介：ＡｒｔｉｆｉｃｉａｌＩｎｔｅｌｌｉｇｅｎｃｅＥｍｂｅｄｄｅｄＯｂｊｅｃｔ－ＯｒｉｅｎｔｅｄＭｅｔｈｏｄｏｌｏｇｙＦｏｒＭｏｄｅｌＢａｓｅｄＤｅｃｉｓｉｏｎＳｕｐｐｏｒｔ￥ＦｅｎｇＳｈａｎ；ＴｉａｎＹｕａｎ；ＬｉＴｏｎｇ＆ＣａｉＪｕｎ（Ｉｎｓｔｉｔｕｔ...

简介：ThepreparationofPT/PEK-cfilmsisreportedaswellastheirdielectricandopticalproperties.Thec-axisorientationratioofthefilmsis68%.Dielectricconstantandlossfactorat10kHzisabout4.023F/mand0.003,respectively.Therefractiveindicesofthefilms,neandno,are1.6573and1.6278at0.63μmwavelength,respectively.Theopticalband-gapofthefilmwithathicknessof2.33μmisfoundtobe3.06eV

简介：Anovelbroadcastencryptionschemeforgroupcommunicationscenariosindistributednetworksispresented.Inthescheme,anyoneisallowedtoencryptamessageanddistributeittoadesignatedgroup.Eachmemberinthedesignatedgrouphastheabilitytoindependentlydecryptaciphertext.Incontrasttotraditionalbroadcastencryption,allthevalidreceiversintheproposedschemecomposethedesignatedgroup.Totakeadvantageofthisproperty,atabforthegroupissetandthematchingprivatekeyforeachmemberisgenerated.Inaddition,beforedecryptingaciphertext,anyoneintheschemecanverifytheciphertext,toensurethattheciphertextiscorrect.Thispropertyisveryimportantforlarge-scalegroupcommunication,asthegatewaycanfilterincorrectciphertextandalleviatethereceiver'sworkload.Finally,aproofintherandomoraclemodelisgiven,toshowthattheproposedschemeissecureagainsttheadaptivelychosenciphertextattack.