学科分类
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82 个结果
  • 简介:43.05。历史;43.10。一般;43.15。标准;43.20。一般线性声学;43.25。非线性的声学;43.28。Aeroacoustics和大气的声音;43.30。在水下发出声音;43.35。声音的Ultrasonics,量声学,和物理效果;43.38。Transduction,为声音的产生和繁殖的听觉的设备;43.40。结构的声学和颤动;43.50。噪音它的效果和控制;43.55。建筑上的声学;43.58。听觉的大小和乐器学;43.60。声学的信号处理;43.64。生理的声学;43.66。心理声学;43.70。讲话生产;43.71。讲话感觉;43.72。语音处理和通讯系统;43.75。音乐和乐器;43.80。Bioacoustics;43.90。在声学的另外的话题。

  • 标签: 主题索引 非线性声学 声信号处理 气动声学 物理效应 量子声学
  • 简介:43.10.General;43.15.Standards;43.20.Generallinearacoustics;43.25.Nonlinearacoustics;43.28.Aeroacousticsandatmosphericsound;43.30.Underwatersound;43.35.Ultrasonics,quantumacoustics,andphysicaleffectsofsound;43.38.Transduction,acousticaldevicesforthegenerationand

  • 标签:
  • 简介:43.05.History;43.10.General;43.15.Standards;43.20.Generallinearacoustics;43.25.Nonlinearacoustics;43.28.Aeroacousticsandatmosphericsound;43.30.Underwatersound;43.35.Ultrasonics,quantumacoustics,andphysicaleffectsofsound;43.38.Transduction,acousticaldevicesforthegen-erationandreproductionofsound;43.40.Structuralacousticsandvibration;43.50.Noise:itseffectsandcontrol;43.55.Architecturalacoustics;43.58.Acousticalmeasurementsandinstrumentation;43.60.Acousticsignalprocessing;43.64.Physiologicalacoustics;43.66.Psychologicalacoustics;43.70.Speechproduction;43.71.Speechperception;43.72.Speechprocessingandcommunicationsystems;43.75.Musicandmusicalinstruments;43.80.Bioacoustics.

  • 标签:
  • 简介:43.05.History;43.10.General;43.15.Standards;43.20.Generallinearacoustics;43.25.Nonlinearacoustics;43.28.Aeroacousticsandatmosphericsound;43.30.Underwatersound;43.35.Ultrasonics,quantumacoustics,andphysicaleffectsofsound;43.38.Transduction,acousticaldevicesforthegen-erationandreproductionofsound;43.40.Structuralacousticsandvibration;43.50.Noise:itseffectsandcontrol;43.55.Architecturalacoustics;43.58.Acousticalmeasurementsandinstrumentation;43.60.Acousticsignalprocessing;43.64.Physiologicalacoustics;43.66.Psychologicalacoustics;43.70.Speechproduction;43.71.Speechperception;43.72.Speechprocessingandcommunicationsystems;43.75.Musicandmusicalinstruments;43.80.Bioacoustics.

  • 标签:
  • 简介:MEANVALUEOFANALYTICOPERATORFUNCTIONSYuXiaopei(喻小培)(Dept.ofMath.,CentralChinaNormalUniversity,Wuhan430070,China)JianMing(蹇明)(D...

  • 标签: HILBERT space OPERATOR operator-valued function PROPER
  • 简介:AnalyticalsolutionisobtainedforAmbartsumianequationinthispaper.Thisequationisofapplicationinastronomy.Theobtainedsolutionhasmanyadvantagesoverthepublishedoneintheliteratureasshownbyseveralcomparisons.

  • 标签: DELAY EQUATION ANALYTIC SOLUTION
  • 简介:Ingroupdecisionmaking,acertaindegreeofconsensusisnecessarytoderiveameaningfulandvalidoutcome.ThispaperproposesaconsensusreachingmodelforagroupbyusingtheAnalyticHierarchyProcess(AHP).Itsupportspeopletoimprovetheirgroupconsensuslevelthroughanupdatingoftheirjudgments.Inthismodel,amoderatorsuggeststhemostdiscordantdecisionmakertoupdatehisjudgmentineachstep.Theproposedconsensusreachingmodelallowsdecisionmakerstoacceptorrejectthesuggestionfromthemoderator.Thismodelensuresthatthejudgmentupdatingiseffectiveandthefinalsolutionwillbeofacceptableconsistency.Finally,anumericalexampleisgiventoillustratethevalidityoftheproposedconsensusreachingmodel.

  • 标签: 层次分析模型 群体一致性 层次分析法 MANET 群体决策 主持人
  • 简介:0.General;1.PhysicalAcoustics;2.UnderwaterSound;3.MechanicalVibrationandShock;4.NoiseandFourgroupsofguineapigswereexposedtobudsound(3h,1kHz.125dBSPL).Onegroupinhaledairascontrol(C-group),andtheothergroupsingaled2ATAhyperbaricoxygen(HBO)for30minuteseachtime.Thesethreegroupswerecalled,respectively,preventiongroup(P-group)inhalingHBOoncebeforeexposure,treatmentgroup(T-group)inhalingHBOdailyfor14daysafterexposure,andprevention-treatmentgroup(PT-group)inhalingHBOoncebeforeexposureandonceadayfor14daysaf-terexposure.Afterexposure.thethresholdofthecorticalauditorypotentialevokedbyclickroseinallani-mals.HearinglossofC-groupwastheseverest,upto70dB,whilethoseofP-groupandPT-groupwhere53dBand51dB,respectively(p<0.01,comparedwiththatofC-group).HearinglossofT-groupwas68.5dB.Smilarphenomenawerefoundinthemeasurementbytone-burst.Theaboveaspectslasted21daysuntiltheseanimalswerekilled.Theaveragetraumalengthof

  • 标签: AUDITORY GUINEA EVOKED HYPERBARIC exposure CLICK
  • 简介:TheFiniteAnalyticMethod(FAM)isanewnumericalmethodforsolvingNavier-Stokesequations.However,oncomplexgeometricdomainsthismethodmustemploytheboundary-fittedcoordinatetransformation,whichbecomesverydifficultforsomeflowregions.Inthispaper,theIsoparametricElement,whichhasbeenwidelyusedintheFiniteElementMethod,isincorporatedintotheFAM.Theflowregionissubdividedintoanumberofsmallar-bitaryquadrilaterals,andeachelementistransformedintoasquareelementbytheshapefunc-tionsofIsoparametricElement.ThenthepartialdifferentialequationsonthesquareelementcanbesolvedbytheFAM.Asanexample,theflowintubebundleshasbeencalculatedbythismethod.

  • 标签: FINITE ANALYTIC method NAVIER-STOKES equation isoparametric
  • 简介:

  • 标签:
  • 简介:0.General;1.PhysicalAcoustics;2.UnderwaterSound;3.MechanicalVibrationandShock;4.NoiseandNoiseControl;5.Ultrasonics;6.SpeechAsousticsandSpeechCommunication;7.Physio-logicalAcoustics;8.ArchitecturalAsoustics;9.Electroacoustics;10.AcousticalMeasurementandInstrumentation;11.AmosphericAcoustics;12.Geoacoustics;13.Bioacoustics;14.MusicalAcous-tics;15.SignalProcessing

  • 标签: Acous inspection freedom PYRAMID matching ALGEBRAIC
  • 简介:InthispaperweprovesomeinterestingextensionsandgeneralizationsofEnestrom-KakeyaTheoremconcerningthelocationofthezerosofapolynomialinacomplexplane.Wealsoobtainsomezero-freeregionsforaclassofrelatedanalyticfunctions.Ourresultsnotonlycontainsomeknownresultsasaspecialcasebutalsoavarietyofinterestingresultscanbededucedinaunifiedwaybyvariouschoicesoftheparameters.

  • 标签: 解析函数 多项式 零点 定理证明 参数选择 复平面
  • 简介:<正>Inthispaper,westudycompositionoperatorsonaBanachspaceofanalyticfunctions,denotedbyX,whichincludestheBlochspace.ThisspacearisesnaturallyasthedualspaceofanalyticfunctionsintheBergmanspaceL_a~1(D)whichadmitanatomicdecomposition.Wecharac-terizethefunctionswhichinducecompactcompositionoperatorsandthosewhichinduceFredholmoperatorsonthisspace.Wealsoinvestigatewhenacompositionoperatorhasaclosedrange.

  • 标签: BERGMAN space Composition OPERATOR COMPACT OPERATOR
  • 简介:0.General;1.Physicalacoustics;2.Underwatersound;3.Mechanicalvibrationandshock;4.Noiseandnoisecontrol;5.Ultrasonics;6.Speechacousticsandspeechcommunication;7.Physio-logicalacoustics;8.Architecturalacoustics;9.Electroacoustics;10.Acousticalmeasurementandinstrumentation;11.Atmosphericacoustics;12.Geoacoustics;13.Bioacoustics;14.Musicalacoustics;15.Signalprocessing.

  • 标签: acoustics PIEZOELECTRIC ceramics audio PERIODICAL Acous
  • 简介:Inthispaper,thenewsubclassBn(,a,A,B)ofanalyticfunctionsisintroduced.Itssubordinationrelations,inclusionrelations,theinequalitypropertiesandconveringtheoremarediscussed.Theresultsobtainedinthispaperaresharp,whichgeneralizetherelatedworksofsomeauthorsandsomeothernewresultsareobtained.

  • 标签: Bazilevic FUNCTION SUBORDINATION BOUND
  • 简介:ThisarticleconcernstheconstructionofapproximatesolutionsforageneralstochasticintegrodifferentialequationwhichisnotexplicitlysolvableandwhosecoeffcientsfunctionallydependonLebesgueintegralsandstochasticintegralswithrespecttomartingales.Theapproximateequationsarelinearordinarystochasticdifferentialequations,thesolutionsofwhicharedefinedonsub-intervalsofanarbitrarypartitionofthetimeintervalandconnectedatsuccessivedivisionpoints.TheclosenessoftheinitialandapproximatesolutionsismeasuredintheLp-thnorm,uniformlyonthetimeinterval.Theconvergencewithprobabilityoneisalsogiven.

  • 标签: 随机积分方程 解析逼近 线性 随机微分方程 以概率1收敛 时间间隔