简介：Greysequencegenerationcandrawoutanddevelopimpliedrulesoftheoriginaldata.Differentkindsofgenerationmethodsweresummarizedandclassifiedintotwotypes:partialgenerationandwholegeneration.Theaveragegenerationandstepwiseratiogenerationisdisussed,thepreferencegenerationisregardasaspecialcaseofproportionaldivisionbasedonanalysisgeometrictheory,proposeanideaofusingconcaveandconvexstatusofdiscretedatatodeterminethegenerationcoefficient.Basedonthestepwiseandsmoothratiogeneration,atendencyaveragegenerationisproposedandhaveacomparisonusingthedataprovidedinpaperslistedinthereferences.Thecomparisonprovesthatthenewgenerationisbetterthantheothertwogenerationsanderrorsareobviouslyreduced.
简介：Thispaperdescribes,bymeansofaVoronoihypersphere,thenearestneighborrelationsofallthefeaturesubmatricesinthefaultclassificationspaceandanalysesthedeviationdisturbanceanglesbetweenfaultfeaturesubmatricesandak-dimensionunitarymatrixofthemeasuredvoltagechangematrix.Withtheabovetwoconcepts,thispaperdiscussesthediagnos-abilityinthefaultclassificationapproach.Thepaperalsoclassifiesanddefinesthefaultdiagnosisproblems.Finally,thepaperderivesthecorrespondingnecessaryandsufficientconditionsforcorrectlocationoffaults.
简介：Thepricingoftelecommunicationservicesisquiteimportantaswellascomplicated.ThispaperstrengthenstheresearchoftheoriesandimplementationoftelecommunicationtariffinChina.Itishelpfulforthegovernmentauthoritiesandenterprisestounifyandstandardizetheregulatorymethods,toguidethedecidingofthestructureandleveloftelecommunicationtariffbyimplementingscientifictheories,tofurtherdevelopandoptimizethetariffsystem.Thispaperconductsasystematic,in-depthandcreativeresearchonsomeofthemostpopularandmostdifficultproblemsintheareaoftelecommunicationtariffresearch,suchastheregulationoftelecommunicationtariff,thetheoriesoftelecommunicationtariff,thesystematicpricingtheory,theinterconnectioncharge,themodelcostevaluationtheory,thelong-runincrementalcosttheory,andtheinternationaltelecommunicationtariff.Afterstudyingtheforeignmethodsontelecommunicationtariffregulation,basingonthecurrentsituationofChina'stariffregulation,thescopeandmethodsforChina'stelecommunicationtariffregulationaresuggested.Aimedattheweaknessofpricingtheoryforenterprisestosetuptelecommunicationtariffs,anoverallframeworkoftelecommunicationtarifftheoriesisproposed.Thesystematicpricingtheoryandmodelcostevaluationtheoryoftelecommunicationservicesareputforwardfromabrandnewperspective.Afronttopic,theLRICtheory,isprobed.Inaddition,thepricingpracticesofnetworkinterconnectionchargeandinternationaltelecommunicationtariff,whicharecurrentlyveryattractivetothetheorists,arediscussed.Basingonthesestudies,thispaperimprovesthestructureoftelecommunicationtarifftheory.ItprovidestheChinesegovernmentauthoritieswithpracticalmethodsandhelpfulsupportstoregulatethetelecommunicationtariffs;inthemeantime,italsoprovidestheenterpriseswithscientificpricingtheoriesandmethodstosetuptelecommunicationtariffs.Overall,thispaperhasnot
简介：Thetheoryontheresourceoptimalallocationisdiscussedinthisarticle.Onthebaseofthediscussion,forthemainproblemsexistingintheresourceallocationofcommunicationenterprises,thereasonableallocatingmeasuresareputforward.
简介：Theevaluationmethodanditsaccuracyforevaluatingcomplexsystemsareconsidered.Inordertoevaluateaccuratelycomplexsystems,theexistedevaluatingmethodsaresimplyanalyzed,andanewcomprehensiveevaluatingmethodisdeveloped.ThenewmethodisintegrationofDelphiapproach,analytichierarchyprocess,grayinterconnectdegreeandfuzzyevaluation(DHGF).Itstheoryfoundationisthemeta-synthesismethodologyfromqualitativeanalysistoquantitativeanalysis.Accordingtofuzzysetapproach,usingthemethodsofconcordanceofevaluation,redundantverify,doublemodelsredundant,andlimitationsofthemethodetc,theaccuracyofevaluatingmethodofDHGFisestimated,andapracticalexampleisgiven.Theresultshowsthatusingthemethodtoevaluatecomplexsystemprojectsisfeasibleandcredible.
简介：Opticaltimedivisonmultiplexing(OTDM)isoneofthepromisinigwaysforthefuturehigh-speedopticalfibercommunicationnetworks.All-opticalswitchis,beingoneofthecoretechnologiesofOTDMsystemsandnetorks,crucialtorealizethevaroussignalprocessesincludingtime-divisiondemultiplexing,packerswitching,all-opticalregeneratingandsoon.Thisthesismainlystudiesvariousall-opticalswitchtechnologiesandtheirutilizationinthefieldsofall-opticalsignalprocessingsintheOTDMsystemsandnetworks.Themainjobsarelistedasfollows.(1)Anovelall-opticalultrafastdemultiplexingschemeusingthesolitonself-trappingeffectinbirefringentfiberisproposed.(2)ThedemultiplexingperformanceoftheNonlinearOPticalLoopMirror(NOLM)isthoroughlyanalyzedanditsoptimizationisfurtherdiscussed.(3)Theperformanceanalysisandtheconfigurationoptimizationoftheall-opticalswitchesbasedontheSemiconductorOpticalAmplifier(SOA)aresystematicallypresented.Thespeedlimitationoftheall-opticalSOAswitchesinducedbythefastgaindepletionofSOAisdiscussed,Besides,anovelSOAswitchisproposed,whichadoptstheasymmetricMach-ZehnderInterferomerterconfiguration.(4)The8×2.5Gb/sOTDMexperimentaltransmissionsystemalong105kmstandardfiberisrealizedusingtheNOLMdemultiplexer.(5)TheNOLMswitchisusedtorealizetheall-optical3Rregenerationof2.5G/sReturn-to-Zerosignal.(6)ThefeasibilityandlimitationoftheallopticalSOApacketswitchisdiscussed.AndadevelopedMZIconfigurationofSOApacketswitchisfurthershowntoimprovethepackerswitchingperformance.Finally,anall-opticalpacketdroppingnodesuitableinthenetworkswithringorbusconfingurationandanall-opticalpacketswithcingnodeintheShuffleNetnetworksareproposedtoshowthefeasibilityofall-opticalpacketswitchingthroughcombiningtheall-opticalswitchesandthereasonablelogicdecisions.
简介：Themethodofthetemperaturemeasurementbasedonthefluorescencelifetimeandfibertransmittingtechnologyisproposed.Thecertainoruncertainrelationshipbetweentemperatureandopticalcharacteristicsofsomefluorescencematerialexcitedbyfunctionpulseorsquare-wavepulse,andthetemperaturerelativityofthefeatureareanalyzed.Themethodbasedonthewavelettransformationtheoryisgiventoacquiretemperaturesignalsaccuratelyandtoremovethenoise.
简介：Basedontheelectromagneticfieldtheory,theopticalsignaltransmissioncharacteristicsininput/outputwaveguides,slabwaveguidesandarrayedwaveguidesofthearrayedwaveguidegrating(AWG)multi/demultiplexerareanalyzed.TherelationshipbetweenthephysicalparameterssuchasgeometrysizesandrelativerefractiveindexinAWGmulti/demultiplexerandtheopticalsignaltransmissioncharacteristicsarediscussed.ThistheoreticalstudycanbeusedforoptimizingthedesignandimprovingtheperformanceoftheAWGmulti/demultiplexer.
简介：Byapplyingswitch-signaltheory,theinteractionbetweenMOStransmissionswitch-ingtransistorandcurrentsignalincurrent-modeCMOScircuitsisanalyzed,andthetheoryoftransmissioncurrent-switcheswhichissuitabletocurrent-modeCMOScircuitsisproposed.Thecircuits,suchasternaryfull-adderetc.,designedbyusingthistheoryhavesimplercircuitstruc-turesandcorrectlogicfunctions.Itisconfirmedthatthistheoryisefficientinguidingthelogicdesignofcurrent-modeCMOScircuitsatswitchlevel.
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