简介:Thecurrentcalibrationfunctionusedincalculatingthemagnitudeofnaturalearthquakeswithin5kmisaconstant;afactthatcausesseveralseriousdifficultiesforthecalculationofthemagnitudeofsmallandshallow-focusearthquakes.Accordingtotheattenuationlawofexplosionsandthepropagationtheoryofelasticwaves,thecalibrationfunctioniscalculatedfornearfieldquakesfrom0kmto5km.Magnitudesoftwoaftershocksequencesarecalculated.Themagnitudesofmostexplosionearthquakesaresmall,rangingmainlyfrommagnitude0.5to1.0.TheM-tchartoftheexplosiveaftershocksiscompletelydifferentfromthatofstrongearthquakeaftershocks.Itnotonlyshowspositivecolumnarlinesindicatinglargemagnitudesbutalsoshortnegativecolumnarlinesindicatingsmallmagnitudes.
简介:Alargeclassoflinearstructuralfunctions(LSF)satisfyingtheconditionofcorrelationalimmunityoforderoneareconstructedbystudyingthelinearstructuralBooleanfunctions.Withthesenewfoundedfunctions,theknownenumerationboundsofcorrelation-immunefunctionsoforderonearegreatlyimproved.Infact,thebest,uptonow,lowerboundisfound.
简介:AconstructiveproofisgivenfortheinversionformulaforzonalfunctionsonSL(2,R).AconcretelyconstructedsequenceofzonalfunctionsareprovedtosatisfytheinversionformulaobtaAnedbyHarish-Chandraforcompactsupportedinfinitelydifferentiablezonalfunctfons.Makinguseofthepropertyofthissequencesomehowsimilartothatofapproximationkernels,theauthorndeducethattheinversionformulaistrueforcontinuouszonalfunctiotmon8L(2,R)somecondition.Theclassicalresultcanbeviewedasacorollaryoftheresultshere.
简介:Manynonlinearquantumopticalphysicsphenomenaneedmoreaccuratewavefunctionsandcorrespondingenergyorquasienergylevelstoaccountfor.AnanalyticexpressionofwavefunctionswithcorrespondingenergylevelsforanatomicelectroninteractingwithaphotonfieldispresentedasanexactsolutiontotheSchrSdinger-likeequationinvolvedwithbothatomicCoulombinteractionandelectron-photoninteraction.Thesolutionisanaturalgeneralizationofthequantum-fieldVolkovstatesforanotherwisefreeelectroninteractingwithaphotonfield.ThesolutionshowsthatanN-levelatominlightformstationarystateswithoutextraenergysplittinginadditiontotheFloquetmechanism.Thetreatmentdevelopedherewithcomputingcodescanbeconvenientlytransferredtoquantumopticsinclassical-fieldversionasresearchtoolstobenefitthewholephysicscommunity.
简介:Inthispaper,westudyaspecialclassoffractalinterpolationfunctions,andgivetheirHaar-waveletexpansions.Onthebasisoftheexpansions,weinvestigatetheH(o|¨)ldersmoothnessofsuchfunctionsandtheirlogicalderivativesoforderα.
简介:Theobjectofthispaperistostudythenon-tangentialincreasingpropertiesofpositiveharmonicfunctionuinLipschitzdomainbymeansofMartinrepresentationtheory,Anecessaryandsufficientconditionofthecontrolofgrowthofunearanyfixedboundarypointisobtained.Itisshownthatthenon-tangentialincreasingdegreeofunearaboundarypointisexactlythelocaldegreeofitsrepresentationmeasurewithrespecttotheharmonicmeasure.Someexanlplesaregiven.
简介:Inthispaper,basedonastochasticmode!forinputsandweights,andinviewofthedisturbanceofcorrelativeandlargeinputandweighterrors,ageneralalgorithmtoobtaintheoutputerrorcharacteristicsofaclassofmultilayeredperceptronswiththresholdfunctionsisproposedbyusingstatisticalapproach.Furthermore,theformulatocalculatetherobustnessofthenetworksisalsogiven.Theresultofcomputersimulationindicatesthecorrectnessofthealgorithm.
简介:Inthisstudy,anewmethodologybasedontheHadamardmatrixisproposedtoconstructquantumBooleanfunctionsfsuchthatf=I2n-2P2n,whereI2nisanidentitymatrixoforder2nandP2nisaprojectivematrixwiththesameorderasI2n.TheenumerationofthisclassofquantumBooleanfunctionsisalsopresented.
简介:LetMbead×dexpansivematrix,andFL2(Ω)beareducingsubspaceofL2(Rd).ThispapercharacterizesboundedmeasurablesetsinRdwhicharethesupportsofFouriertransformsofM-refinableframefunctions.Asapplications,wederivethecharacterizationofboundedmeasurablesetsasthesupportsofFouriertransformsofFMRA(W-typeFMRA)framescalingfunctionsandMRA(W-typeMRA)scalingfunctionsforFL2(Ω),respectively.Someexamplesarealsoprovided.
简介:Anexplicitfull-fieldexpressionoftheGreen’sfunctionsforanisotropicpiezoeleetricbimateri-alswithaslippinginterfaceisderived.Whentheelectro-elasticsingularityreducestoapraydislocationindisplacementandelectricpotential,interactionenergy,betweenthedislocationandthebimaterialsisobtainedexplicitlywhilethegeneralizedforceonthedisloeationisgiveninarealformwhiehisalsovalidfordegener-atematerials.Theinvestigationdemonstratesthatthehoundaryconditionsatlheslippinginterfacebetweentwopiezoelectricmaterialswillexertaprominentinfluenceonthemobilityofthedislocation.
简介:LetEbeacompacts-setsofR^n,TheauthorsdefineanorthonormalsystemФoffunctionsonEandobtainthat,foranyf(x)∈L^l(E1H^8),theFourierseriesoff1withrespecttoФ,isequaltof(x)atH^8-a.e-x∈E.Moreover,foranyf∈L^p(E,H^8)(p≥1),thepartialsumsoftheFourierseries,withrespecttoФ,offconvergestofinL^P-norm.
简介:ThecontentsofbiogenicelementsinChinamarginalseasedimentsarerelatedtotheirgrainsizes,rivertransport,etal.Ingeneral,thefinerthegrainsizeis,thehigherthecontentsoforganicmatterandOC,N,Pare,thelowerthecontentsofSandSiare.ThebiogeochemicalenvironmentsofsedimentsarerelatedtoEh,pH,temperaturecontentofOC,Fe3+/Fe2+radio,waterdynamicscondition,grainsizeofsediment,Ssysteminsedimentinterstitialwaters,etal.,andtheyinfluencetheearlydiagenesesandcycleofbiogenicelementsinsediments.InmostregionsofChinamarginalsea,thefluxdirectionsofS2-,HS-,3-NH4+H4SiO4,PO4,acrossthesediment-waterinterfacearefromsedimenttotheoverlyingseawater,thefluxdirectionsofSO42-,HCO3-,NO3-,NO2-acrossthesediment-waterinterfacearefromtheoverlyingseawatertosediment.Theirrigationoflivingthingsisimportantinthecycleofthebiogenicelementsacrosssediment-waterinterfaces.
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