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1.
1 Introduction InthispapersoftinsoftoutMAPdecodingalgorithmsbasedonthefastHadamardtransform(FHT)aredeveloped,andtheirapplicationsindecodinglowratemultidimensionalconcatenatedHadamardcodesareexamined.Theproposedmethodhasanotableadvantageofachiev…  相似文献   

2.
1 Introduction Withtheincreasingcapacityofhydrogeneratorsandtherelevantlyincreasingsizeandloadingofthrustbearings,theconfigurationofpadsupportedonasinglepivothasmoreandmoredifficultyinmeetingallthedemandsinrealoperationconditions.Theconfiguration…  相似文献   

3.
1 Introduction Theadaptivefuzzycontrolisasuccesfulissueofthefuzzycontrol.Theadaptivefuzzycontrolofonlinelearningandonlinecontrolistheorientationofthedevelopmentintheadaptivefuzzycontrolfield.Butthecomplexoftheplantsuchasstrongcoupledrelations,long…  相似文献   

4.
1 Introduction H.P.Yuenintroducedtheconceptoftwophotoncoherentstatein1976[1].Sincethattime,thesqueezedstateshavebeenoneofthemainsubjectsinquantumoptics.Usualsqueezingreferstothesecondordersqueezing.C.K.HongandL.Mandelgeneratedthesqueezingtohighe…  相似文献   

5.
1IntroductionSincethemid90’s,thefinitediferencetimedomainmethodhasbeenappliedtosolveanumberofacousticalproblems.Examplesin...  相似文献   

6.
1 Introduction Afuzzyneuralnetworkcontrollerbasedonthecombinationoffuzzylogicsystemandneuralnetworkhasuniquecharacteristics.Itnotonlyhasthefunctionoflearningandassociativememorybutalsoclearlyrepresentsakindofstructuredknowledgeanddoesfuzzyinferen…  相似文献   

7.
1 Introduction Quantumcoherenttransportinmesoscopicsystemhasbeeninvestigatedextensivelyinthepastdecade.Motivatedbysomerecentexperiments,madebyYacobyetal.[1]andBuksetal.[2],phasesensitivetransprotinanAharonovbohm(AB)ringwithaquantumdot(QD)embedded…  相似文献   

8.
1IntroductionThesafetyofwalclimbingrobotisofgreatimportanceinrobotdesignandgaitprogramming.Safetyrequirementsincludebothan...  相似文献   

9.
1 Introduction Fromlate1980sto1990s,AT&TBellLaboratoryreportedsuccessivelysomeresearchresultsongeartypemicrogripperandothersimplemicromechanism[1].Inthepublications,severalphotographsofmicromechanisminoriginalpositionwereshown,butnodetaildescripti…  相似文献   

10.
1 Introduction Withthedevelopmentofinformationtechnology,speechtransmissionandspeechstorageisbecomingincreasinglyimportant.Accordingtothepresentdevelopmentofdigitalspeechprocessing,developmentofspeechcodingmethodswithhighcodingefficiencyandlowdist…  相似文献   

11.
1 Introduction StandardizedUE(User’sEquilibrium)assignmentisaroutechoiceproblemfromorigintodestination(OD).Inequilibrium,throughthechosenroutesconnectedwithODonewillspendthesametraveltime,nomorethanthatthroughotherrouteswhichwerenotchosen. Therear…  相似文献   

12.
1 Introduction Theproblemonthestabilityofinviscidincompressibleswirlingflowhasbeenstudiedbymanyauthors.Rayleigh[1]investigatedtheflowwithconstantaxialvelocity,i.e.U′=dUdr=0andfirstgotasufficientandnecessaryconditionofstabilityforaxisymmetricdistur…  相似文献   

13.
1 Introduction Toachieveourtargetinthecomingfifteenyears,itisessentialandimprotantinallrespectstotransformoureconomicgrwothmodeandimproveoureconomicqualityandbenefitconscientiously.Tomakefullunderstandingaboutthetransformingcanhelpustomaintainahigh…  相似文献   

14.
Motivatedbyredesigningafuselageinengineeringapplication,thenumericalandexperimentalinvestigationoftheseparatedflowfieldaroundaspecialbluntbodyisdescribedinthisthesis.Theaerodynamicresponseofthebluntbodyissuccessivelystudied.Thethesisconsistsoffour…  相似文献   

15.
Sincethediscoveryofhightransitiontemperaturesuperconductors(HTS),manyattemptshavebeenmadetoproducebolometersoperatingatthetransitiontemperatureinthenearandfarinfraredwavelengthregion.Abolometerisatoolfordetectingthermalradiationfromanobjectbymeanso…  相似文献   

16.
1 Introduction Recently,nonlinearpropagationofelectromagneticwavesingyromagneticmaterialshasdrawnmuchattentioninboththeoreticalandexperimentalstudies.Stimulatedbythegreatachievementsinthetheoreticalresearchandpracticalapplicationofopticalsolitonsin…  相似文献   

17.
1 Introduction Oneofthemaintasksofrepresentationtheoryofalgebraistocharacterizetheindecomposablemodulesofalgebrabyinvariants,forwhichthecompositionfactorsofthemodulesisjustone.Consequently,itisveryimportanttosearchfortheconditionsfortheindecomposa…  相似文献   

18.
1 Introduction Autonomousmobilerobotswithlegsorwheelsworkinginhazardenvironmentsoronroughterrainwillfacethepossibilityofbeingturnedoverbyunexpectedreactionbetweentherobotandtheenvironment.Typicalexamplesarevolcanoexplorationrobots,lunarorMarsrovers…  相似文献   

19.
1 Introduction Thereducedgravitymaterialsprocessinghasbeenextensivelyusedtostudymetalsandglassesinthepastdecade[1~3].Toourknowledge,polymericmaterialshavenotbeenmentionedinthelowgravityenvironmentonthegroundbase.Thegravity,however,shouldplayanimpo…  相似文献   

20.
Buckling and multiple equilibrium states of viscoelastic rectangular plates   总被引:1,自引:0,他引:1  
1 Introduction Thedevelopmentofscienceandtechnologypromotestheapplicationsofviscoelasticstructures.Sinceanintegraltypeconstitutiverelationcanbeusedtosimulatethemechanicsbehaviorofaviscoelasticmaterialbetter,itiswidelyapplied.However,ifweapplyaninte…  相似文献   

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