简介:为i.i.dBanach珍视空间的随机的变量的一个序列{X_nln≥1}并且积极常数的一个序列{a_n;n≥1},在Baum-Katz-Spitzercomplete集中定理之间的关系和重申的对数的法律被调查。条件的集合被提供在下面它(ⅰ)limsup_(n→∞)(‖S_n‖)(/a_n))<∞a.s和Σ_(n=1)~∞1/nP(‖S_n‖)/(a_n)≥ε)为某经常的λ∈的λ[0,∞)是相等的;一般来说,没有几何条件在内在的Banach空间被强加。推论被介绍,新结果甚至在真实值的随机的变量的情况中被获得。
简介:ThenewlyrevisedLawonProtectionoftheRightsandInterestsoftheElderlywillbeeffectivestartingfromJuly1,2013.Itstatesthatfamilymembersshouldcareforandlookaftertheelderlyspiritually,andanyneglectisforbidden.Familymemberswholiveapartfromtheirelderlyshouldregularlyvisitandgreetthem.Itisalsointerpretedbymediaas'writing‘visitinghomeoften’intothelaw'.Itwillbecomeillegalifchildrendonotvisittheirelderlyoften.Thenewlawalsorequiresemployerstoguaranteetheiremployees'rightsto
简介:Inthispaper,byusingthewell-knownhigh-gainobserverdesign,anupdatelawforthegainandanadaptiveestimationofparameters,anewmethodoffaultdiagnosisforaclassofnonlinearsystemsispresented.Withoutresorttoanytransformationfortheparameters,theestimationerrorsofthestatesandtheparametersareguaranteedtobegloballyexponentiallyconvergentbyapersistentexcitationcondition.Comparedtotheexistingresults,itcanbeappliedtononlinearsystemswithnonlineartermsadmittinganincrementalratedependingonthemeasuredoutput.Acasestudyfurtherverifiesthevalidityoftheproposedresearch.
简介:SincetheimplementationofthenewlyrevisedLawonProtectionoftheRightsandInterestsoftheElderly,thesocietyhasattachedcontinuousconcerntothefeasibility,andlegalandethicalboundariesoftheclauseofchildren'visitinghomeoften'.Howtosupportfamily-basedseniornursinghasbecomeanimportantareafordiscussion.
简介:Theimpactanglecontroloverguidance(IACG)lawagainststationarytargetsisproposedbyusingfeedbacklinearizationcontrol(FLC)andfinitetimecontrol(FTC).First,thispapertransformsthekinematicsequationofguidancesystemsintothefeedbackablelinearizationmodel,inwhichtheguidancelawisobtainedwithoutconsideringtheimpactangleviaFLC.Forthepurposeofthelineofsight(LOS)angleanditsrateconvergingtothedesiredvalues,thesecond-orderLOSangleisconsideredasadouble-integralsystem.Then,thispaperutilizesFTCtodesignacontrollerwhichcanguaranteethestatesofthedouble-integralsystemconvergingtothedesiredvalues.NumericalsimulationillustratestheperformanceoftheIACG,incontrasttotheexistingguidancelaw.
简介:In1929,AmericanastronomerHubblefirstdiscoveredthattherecessionalvelocityofagalaxyincreaseswithitsdistancefromtheearth,andthereforeputforwardHubble’slaw.ItisconsideredthefirstobservationalbasisfortheexpansionoftheuniverseandtodayservesasoneofthepiecesofevidencemostoftencitedinsupportoftheBigBangmodel.SincethentheastrophysicscommunityhasbelievedthattheuniverseisinaconstantrateofexpansionuntilSaulPermutter,BrianPaulSchmitandAdamGuyRieesdiscoveredtheacceleratingexpansionoftheuniversethroughobservationofseveraldozendistantsupernovasin1998,whothenwontheNobelPrizeinPhysics2011.Buthumanstillcannotcompletelyexplainthephenomenonthattheuniverseisexpandingatanever-acceleratingrate.Thustheauthorofthispaperstudiedtheoriginandevolutionofgalaxiesagain,andrevealedthestructureofgalaxyandprovedHubble’slaw,thenrevealedthetruthabouttheexpansionoftheuniverseaswellasdarkmatteranddarkenergy.
简介:Theclassicalpowerlawnon-Newtonianfluidsenergyboundarylayerequationisprovedimpropertodescribetheself-similarheattransfer.Atheoreticalanalysisformomentumandenergyboundarylayertransferbehaviorismadeandthefullsimilarityheatboundarylayerequationisdeveloped,whichmaybecharacterizedbyapowerlawrelationshipbetweenshearstressandvelocitygradientwiththeFalkner-Skanequationasaspecialcase.Bothanalyticalandnumericalsolutionsarepresentedformomentumandenergyboundarylayerequationsbyusingthesimilaritytransformationandshootingtechniqueandtheassociatedtransfercharacteristicsarediscussed.
简介:ItistheninthyearforChinatoimplementtheAntitrustLawandthelawenforcementhasbeenseeingplentyofnewmeasures,whichhelpstheLawkeepimproving.Sincetheyearof2014,theantitrustlawenforcementdivisionoftheStateCouncilhasdisclosedaseriesofsensationalantitrustinvestigationcasesandtheforeign-investedcompaniesserveasatargetamongthesecases.Forinstance,the"foreign-brand
简介:Inthispaper,anewadaptiveoptimalguidancelawwithimpactangleandseeker’sfield-of-view(FOV)angleconstraintsisproposed.Tothisend,thegeneralizedoptimalguidancelawisderivedfirst.Achangeableimpactangleweighting(IAW)coefficientisintroducedandusedtomodifytheguidancelawtomakeitadaptiveforallguidanceconstraints.Afterintegratingtheclosed-formsolutionoftheguidancecommandwithlinearizedengagementkinematics,theanalyticpredictivemodelsofimpactangleandFOVanglearebuilt,andtheavailablerangeofIAWcorrespondingtoconstraintsiscertain.Next,acalculationschemeispresentedtoacquirethereal-timevalueofIAWduringtheentireguidanceprocess.Whenapplyingtheproposedguidancelaw,theIAWwillkeepsmalltoavoidatrajectoryclimbinguptolimitFOVangleataninitialtimebutwillincreasewiththeclosingtargettoimproveimpactpositionandangleaccuracy,therebyensuringthattheguidancelawcanjuggleordersofguidanceaccuracyandconstraintscontrol.