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1.
1 Introduction  Assetsservicesaretheservicesthathandlefund .Financialorganizationsrealizebusinessopera tionbyturningthefundsabsorbedintoeconomicre sultsthroughassetsservices.Becauseofitsnetworkandcredit,thesavingsdepositabsorbedby postmustbehandledeffect…  相似文献   

2.
1 IntroductionTheproblemofusinganantennaarraytoesti matethetimedelaysisimportantinthewirelesscommunicationsystem .Insuchasystem ,multipathtransmissionphenomenonexistsandcancauseseveresignalfading .Estimationofthemultipathdelays,aswellasthespatialsignatur…  相似文献   

3.
1 IntroductionThereiscurrentlyasignificantinterestinthedesignofhigh ratewirelessCodeDivisionMultipleAccess (CDMA)networks[1 ,9~1 0 ] .InthisCDMAsystem ,eachuserisassignedauniquesignaturewaveformthatisusedtomodulateitstransmittedsymbols.Itis,however,notpossiblet…  相似文献   

4.
1 IntroductionTSPisoneofthemostdifficultproblemsthatmanyscholarsallovertheworldhavebeenstudyinguptonow .ThebasicdescriptionofthisproblemwhichwasproposedbyK .Mengerfirstlyis:Atrav ellingsalesmanwishestovisitanumberoftowns,thetravellingdistancesbetweentown…  相似文献   

5.
An Analysis and Design of the Virtual Simulation Software Based on Pattern   总被引:1,自引:0,他引:1  
1 IntroductionVegasystem ,asarenderingdrivensoftwareplatform ,hasbeenwidelyusedinsystemsimulationandvirtualreality .ItismainlyusedintheUNIXplatform .BecauseoftheeasyuseandapplicationneedoftheWindowsNT ,thesystemofVegahasalsobeentransplantedtoWindowsNTfrom…  相似文献   

6.
1 IntroductionTheexplosivegrowthofInternettraffichasim posedtremendousstressontoday srouters,howtoimplementhighspeed ,scalableandlargeprocessingcapabilitywhileprovidinggoodserviceshasbecomethekeyissuetodesignmodernrouterfacilities.La bel switchingtechnol…  相似文献   

7.
Thesensingmodelofdetectingsystemisusuallycomplicate(sometimescannotex-pressedmathematically).Thismakesitverydiffculttoobtainquicksolutionandrealtimedetecting.Thepapertakestheposewarpopticfibersensorofrobotscrewflexibleassemblyasanexample,andintroduce…  相似文献   

8.
1 IntroductionMultipleaccessinginthecodedomainisachievedbyspreadingthespectrumofthetransmit tedsignalsusingpreassignedcodeinformation .Sinceitisnotpossibletodesignsignaturesequenceforanypairofusersthatareideallyorthogonal,theinter ferencefromtheotheruse…  相似文献   

9.
1 IntroductionMultiple AccessInterference (MAI)owingtomanysimultaneoususersconstitutesthemainlimita tionofDS CDMAsystems .MultiuserdetectiontechniquescanefficientlysuppressMAIandsub stantiallyincreasethecapacityofCDMAsystems.Variousmultiuserdetectionschem…  相似文献   

10.
1 IntroductionAsisknown ,therearevarioussystemsoffuzzylogic[1~2 ] .ThemostpopularoneisbasedonZadeh’sfuzzysetoperators.ThereafterwewilldenotethissystemasZadeh’sFuzzyLogic(ZFL) .Anewsys temwas proposed[3~ 5] whichiscalledMeasure BasedFuzzyLogic(MBFL) .Itisfoundedont…  相似文献   

11.
1 IntroductionDisparityestimation ,namely ,stereomatching ,isthekeytostereovisionandstereoimagecompres sion .Fortheproblemofscenereconstructionusingstereoimages,theprecisionofestimateddisparitydeterminesthedegreeoftruthfulnessofreconstruct edobjects.Moreov…  相似文献   

12.
Softwareradio ,togetherwithdigitalradioasitsbasis,hasbeenthetrendstodevelopmentinwirelesscommunications.Digitalradiofocusesonall digitalizationtechniquesandmodularizationmethodsincommunicationsystems,whilesoftwareradiopaysmoreattentiontoall digialtizedr…  相似文献   

13.
1 IntroductionMultiresolutionsignalprocessingisbecomingmorepopularincommunicationandinformationpro cessingfieldsbecauseofitsfineproperty ,especiallyinimagecoding .Itsplitsasignalintoseveralsub bandsignalswithdifferentbandwidthstoutilizethecharacterdiffe…  相似文献   

14.
Wen  Ruimei 《半导体学报》1998,19(12):945-950
Itiswelknownthatreverseosmosis(RO)isapressure-drivenprocessofwaterflowingacrossasemipermeablemembranefromthesolu...  相似文献   

15.
1 IntroductionRecently,intenseinteresthasbeenfocusedonmodulationtechniques,whichcan providebroad bandtransmissionoverwirelesschannelsforapplica tionsincludingwirelessmultimedia ,wirelessInter netaccess,andfuture generationmobilecommuni cationsystems .OFDM[1~…  相似文献   

16.
Torelatednationalinstitutes,associationsandacademies,provincialandmunicipalscienceandtechnolo gyassociations,andallconcerneduniversities,scientificresearchunits:WearedelightedtoannouncethatthesixthsessionoftheNationalAssociatedScienceSymposiumonComputer…  相似文献   

17.
1 IntroductionInthepastthirtyyears,randomaccesstech niqueshavewidelybeenappliedinsatellitesystems,groundradionetworks,andcomputerandcommuni cationsystems.TheoriginalrandomaccessschemewasALOHAsystemwhichwasintroducedbyAbramsonin 1 970 .Thissystemschemewassim…  相似文献   

18.
1 IntroductionItisgenerallyknownthatbulkaswellasnanoparticlesofmetalsareprotectedbythin (afewnanometers)oxidefilmsonthesurface .Uyedaandcoworkers[1 ] havepioneeredthestudyofultrafinesmokeparticles,ornanoparticles ,ofmetalsbytransmissionelectronmicroscopy (TE…  相似文献   

19.
1 Superprocesses1 .1 DefinitionofSuperprocessesSuperprocessesisoneclassofmeasure valuedbranchingMarkovprocesses.Inorderto giveitsdefinition,wefirstintroducemeasure valuedbranchingprocesses.Let (E ,E)beaLusintopolog icalspace ,namely ,(E ,E)ishomeomorphictoaBorel…  相似文献   

20.
1 IntroductionNetworksoftwareforservicecustomizationreferstothesoftwaresystemthatpermitsusersorapplicationstocustomizetheirserviceinthenetworkenvironments,suchasInternet,ortelecommunica tionnetworks.ActiveNetworks[1 ] andPro grammableNetworks[2~ 3] aretwotyp…  相似文献   

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