基于HLA的分布式虛擬現(xiàn)實數(shù)據(jù)分發(fā)管理的研究.pdf

1、重慶郵電大學碩士學位論文基于HLA的分布式虛擬現(xiàn)實數(shù)據(jù)分發(fā)管理的研究姓名：王梅申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：胡敏20110528重慶郵電大學碩士論文AbstractAsanewtechnologyVirtualReality(vR)hasbeenpajdattentionathomeandabroadinthelate1960’S，whichmakespeopleinteract麗meachothermorenatur

2、allyandtrulyVRiSwidelyusedinthemilitarymedicineeducationandsoonandpersons’workingandlivingischangingAsanimportantbranchofVItDistributedVirtualReality(DVR)isresearchedanddevelopedbymanydomesticandinternationalinstitutesAs

3、DVRsystemexpandscontinuallyDVRhasmanycharacteristics，suchashugeamountofusers，hugevolumesofdatahiglldemandforrealtime，complexenvironmentandsoonwhichmakelotsofproblemsgenerateDataDistributionmanagementisthemostobvious，whic

4、hseriouslyaffectstherealtimeandsealabilityinDVRsystemHighLevelArchitecturemLA)isinteroperable，reusableandscalable，whichcansupplytheinteroperabilityofvarioustypesofsimulmionsystemsandshieldtheheterogeneityofdifferentsyste

5、msOntheonehand，HLAcanovercomethedifficultyofheterogeneousinteroperabilityinDVRsystem；ontheotherhand，DeclareManagement(DM)andDataDistributionManagement(DDM)suppliedbyHLAcanprovideagoodplatformtosolvedatadistributionmanage

6、mentinDVRsystemPrimarilyaimingatthecharacteristicsofhugedataandthedemandforreal—timeinDVRthepaperstudiestwoaspectsbasedonHLAFkstly，thispaperstudiesandanalyzestheRegion__Based，Grid—BasedandSimpleHybrid_BasedDDMalgorithmet

7、al，andpresentsDynamicBi—Grid—BasedHybridDDMItdividesdynamicallyintotwolevelsgadforfiltering，thenutilizesgegion_BasedDDMalgorithmtoexcludefalseconnectionsThisalgorithmistosolvetheissuesofthelowdatafilteringrateandmulticas

8、taddresswastinginDDMalgorithmCompared誠mtheexistingalgorithms，theresultsshowthattheproposedalgorithmcaneffectivelyreducetheuselessdatasending，improvetheefficiencyofdatasendingandreceiving，andsavethetransmissionresourceSec

9、ondlythispaperdescribestheprocessofupdatingthepropertiesofobjectinstanceinHLAInordertoensuretherealtimepropertyofDVRthesendersusuallyupdatetheentity’Sstateinformationatahi曲ffequency’SOlotsofnetworkresourceisoccupiedTocon