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1.
INTRODUCTIONTheEmpiricalModeDecomposition (EMD)methodanditsHilbertSpectrumtechniqueisanewlydevelopedmethodfortimeseriesanalysis(Huangetal.,1 998) .Thismethodissuitableforanalyzingnonlinearandnon stationarypro cessbasedonanempiricalapproachandpro videsaprecis…  相似文献   

2.
BAYESIANMETHODOFMACROECONOMICALDECISIONChenPing(陈平)(DepartmentofMathematicsandMechanics)BAYESIANMETHODOFMACROECONOMICALDECISI...  相似文献   

3.
构造如图所示的几何图形,设⊙O为单位圆,直角△ABC的边AC、BC切⊙O于M、N,PE⊥OM,∠AOM=∠α,易知sinα=PE,cosα=OE,tgα=AM,ctgα=BN,secα=OA,cscα=OB.1 证明同角三角函数的基本关系式平方关系 在Rt△OEP、Rt△OMA、Rt△BNO中,应用勾股定理可得sin2α+cos2α=1,1+tg2α=sec2α,1+ctg2α=csc2α.例数关系 利用Rt△OEP∽Rt△OMA,Rt△OEP∽Rt△BNO,Rt△OMA∽Rt△BNO,分别得1…  相似文献   

4.
ANOTEONTHEUNIQUENESSTHEOREMFORSTEADY-STATESEMICONDUCTOREQUATIONSGuanPing(管平)(DepartmentofMathematicsandMechanics)ANOTEONTHEUN...  相似文献   

5.
OntheEstrangementinTheMetamorphosisAnApproachfromthePerspectiveofAestheticsofReceptionYangxiangKafkasmasterpiece,TheMetamo...  相似文献   

6.
INTRODUCTIONMucunnewasthefirsttouseERCP (Endo scopicRetrogradeCholangiopancreatography)inthediagnosisofdiseasesofbileductsandpan creasin 1 968.Withimprovementofendoscopicequipment,thetechniquewasdevelopedrapid ly.TherearefewreportsintheworldontheuseofERCPfo…  相似文献   

7.
INFLUENCEMEASUREOFPERTURBATIONANDVARIABLESINREGRESSIONMODELSHuYueqirig(胡跃清)(DepartmentofMathematicsandMechanics)INFLUENCEMEAS...  相似文献   

8.
NEWSUFFICIENTCONDITIONFORHAMILTONIHNPROPERTIESINGRAPHSSongZengmin(宋增民)(DepartmentofMathematicsandMechanics)NEWSUFFICIENTCONDI...  相似文献   

9.
DirectElectronTransferReactionsofGlucoseOxidaseandD┐AminoAcidOxidaseataGlasyCarbonElectrodeinOrganicMediaWeiJianjunQinYiqinLi...  相似文献   

10.
ARELATIONAMONGASSOCIATIVEALGEBRAS,BIALGEBRASANDSEMIGROUPALGEBRASLiFang(李方)(DepartnientofMatheniaticsandMechanics)ARELATIONAMO...  相似文献   

11.
Thread┐OrientedMesage┐PasingInterfaceTongWeiqinZhouQinghuaGuZhikui(SchoolofComputerEngineringandScience)AbstractInthispaperth...  相似文献   

12.
TimeandEnergyOperatorsinQuantumMechanicsLiChunfangWangQi(ColegeofSciences)AbstractStartingfromatimeoperator,theformoftheso-ca...  相似文献   

13.
INTRODUCTIONManyimagingtechniques,likePET ,fMRIandSPECT ,candemonstrateincreasesinre gionalcerebralbloodflow(CBF)ormetabolicrateduringcertainneuronalstimulation .Butthesetechniquesarealwaysexpensiveandmoretimeconsumingandrepeatedmeasurementsaredifficult.T…  相似文献   

14.
ADiscussionOntheRangeofMeaningofEnglishWords──AnApproachtoEnglishWordsLearningQiHaoZhenSuccessinEngllshrequiresaknowledgeofwo...  相似文献   

15.
ANOTEONPANCYCLICORIENTEDGRAPHSongZengmin(宋增民)ChenLiming(陈黎明)(DepartmentofMathematicsandMechanics)ANOTEONPANCYCLICORIENTEDGRAP...  相似文献   

16.
THETAYLOREXPANSIONOFAFUNCTIONOFFUNCTIONSSongBaisheng(宋柏生)(DepartmentofMatheniaticsandMechanics)THETAYLOREXPANSIONOFAFUNCTIONO...  相似文献   

17.
INTRODUCTIONIntheManifestooftheCommunistParty,MarxandEnglesdeclared :“Inplaceoftheoldbourgeoissociety ,withitsclassesandclassan tagonisms,weshallhaveanassociation ,inwhichthefreedevelopmentofeachisthecondi tionforthefreedevelopmentofall”(Marx&En gels ,1 984 ) .…  相似文献   

18.
ORTHOGONAL PROJECllON OFTHE DOMAINBORNDARYOPERATORFORELLIPITICPROBLEMBYDOMAINDECOMPLSITION(石佩虎)(DepartmentofMatheniaticsandMec?..  相似文献   

19.
PARAMETERIDENTIFICATIONOFLINEARSYSTEMSVIAGENERALHYBRIDORTHOGONALFUNCTIONSYinJiahong(尹家洪)(DepartnientofMatheniaticsandMechanic...  相似文献   

20.
ShapeOptimalDesignofHydrodynamicBearingBasedonDynamicCharacteristicsChenYunfei(陈云飞)QianRuiming(钱瑞明)(DepartmentofMechanicalEng...  相似文献   

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