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简介：Inthispaper,thesystemandsubsystemforecastmodelsforfiringaccuracyhavebeenbuiltbymeansoftheoryofGreySystemForecast.Ithasprovidedascientificforecastingmethodformicro-errorcontrolandmacro-error-controlandimprovingthefiringaccuracy.

简介：Theelectronicmailhasbecometheindispensablefunctionindailyjob,andtheserverstabilityandperformancearerequired.UsingDCEandDFSwehavebuiltthedistributedelectronicmailsever,thatis,serverssuchasSMPT,IMAParedistributedsymmetrically,andprovidstheseamlessaccess.

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简介：这篇论文学习差别方程Δx(n)=的非自治的非线性的系统(n)x(n)+f(n，x(n))，n∈Z，(*)在哪儿x(n)∈R~N，(n)=(a_(ij)(n))_(NxN)是一个NxN矩阵，与a_(ij)∈C(R，R)为i，j=1,2,3，...，N，和f=(f_1，f_2，...，f_N)~T∈C(RxR~N，R~N)，令人满意的A(t+ω)=A(t)，f(t+ω，z)=f(t，z)为任何t∈R，(t，z)∈RxR~N和ωis一个积极整数。为ω-的存在的足够的条件方程(*)的周期的答案被获得。

简介：Byreviewsoftherelatedpapersandworksabouturbangreenspacesystemplanningathomeandabroad,thepaperdefinedtheconceptandclassificationofurbangreenspacesystem,andfunctions,tasks,structureandlayoutofgreenlandsystemplanning.Inthemeantime,thepaperintroducedrelatedtheory,reviewedthedevelopmentandcurrentsituationofdomesticgreenlandsystem,andfinallyforecastedthedevelopmenttrends.

简介：Itisproposedthatdoublelevelprogrammingtechniquemaybeadoptedinsynthesisstrategy.Optimizationofheatexchangernetworkstructuralconfiguration(themasterproblem)maybesolvedattheupperlevel,leavingtherestoperatingconditions(theslaveproblem)beingoptimizedatthelowerlevel.Withtheuniquenessinmind,anHENsynthesisexpertsystemmaybeemployedtoaddressboththelogicalconstraintsandtheglobaloperationparameters′optimizationusingenhancedsequentialnumberoptimizationtheory.Casestudiesdemonstratethatthesynthesisstrategyproposedcaneffectivelysimplifyboththeproblem-solvingandthesynthesisprocess.Thevalidityofthestrategyrecommendedisevidencedbycasestudies′resultscompared.

简介：Fromthe17thtothe12thCenturyB.C.theHittiteKingdomwasoneofthemostnotablepowersintheNearEast.Itrangedoveravastgeographicalareadominatingthesurroundingcitiesandsmallerstates.ThroughoutthistimetheHittitesconsistentlydevelopedtheirpoliticalsystemtherebyascendingtothelevelofanempire.Fromsourcespertainingtothisera,itcanbeascertainedthatalreadyintheearlystages,whentheborderswerenotasextended,theHittiteKingdomadoptedthetraditionofsendingtheking'ssonsandprincestothe

简介：Basedonthecurrentstatusofnature,economyandsociety,andinthelightofinterconnectedpatternsofmaterial,energyandinformationflows,theForestEco-NetworkSysteminChina(CFENS)istobeestablishedtoharmonizesthedevelopmentofhuman,natureandsocietyinthiscountry,whichisofintegrity,multi-function,highefficiencyandoperability,andviewsthewholemainlandasanecosystemwithdifferentbigparchesconsistingofdifferenttypesofforests,grasslands,flelds,barrenhill...

简介：Accordingtothecharacteristicofthesensorinertia,thedynamicpredictiontoimprovethesystemdynamicprecisionispresentedinthispaper.Withtherecurrencecalculationoftimeconstantofthesensor,thesystemdynamicprecisionisgreatlyimproved.Theexampleusingthismethodisgiven.

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简介：ThispaperpresentsthedesignandimplementationofFarMon-aflexibleeventmonitoringsystemforcomputingcluster,UsingseveraltechniquesincludingDCL(DynamicClassLoading)technique,modulepublish/subacribe/unsubscribeprotocolanddirectoryservice,wecreateahighefficient,highextensibleandhighportableclustermonitoringsystem.

简介：Thisarticleisaboutapieceofmiddleware,allowingtoconvertadumptapebasedTertiaryStorageSystemintoamultipetabyterandomaccessdevicewiththousandsofchannels.Usingtypicalcachingmechanisms,thesoftwareoptimizestheaccesstotheunderlyingStorageSystemandmakesbetteruseofpossiblyexpensivedrivesandrobotsorallowstointegratecheapandslowdeviceswithoutintroducingunacceptableperformancedegadation.Inaddition,usingthestandardNFS2protocol,thedCacheprovidesauniqueviewintothestoragerepository,hidingthephysicallocationofthefiledata,cachedortapeonly.BulkdatatransferissupportedthroughthekerberizedFTPprotocolandaC-API,providingtheposixfileaccesssemantics,Datasetstaginganddiskspacemanagementisperformedinvisiblytothedataclients.TheprojectisaDESY,FermilabjointefforttoovercomelimitationsintheusageoftertiarystorageresourcescommontomanyHEPlabs.ThedistributedcachenodesmayrangefromhighperformanceSGImachinestocommodityCERNLinux-IDElikefileservermodels.Differentcachenodesareassumedtohavedifferentaffinitiestoparticularstoragegroupsorfilesets.AffinitiesmaybedefinedmanuallyorarecalculatedbythedCachebasedontopologyconsiderations.Cachenodesmayhavedifferentdiskspacemanagementpoliciestomatchthelargevarietyofapplicationsfromrawdatatouseranalysisdatapools.

简介：ＡＮＥＷＣＯＭＰＵＴＥＲＲＥＴＲＩＥＶＡＬＳＹＳＴＥＭＦＯＲＭＥＴＥＯＲＯＬＯＧＩＣＡＬＩＮＦＯＲＭＡＴＩＯＮ￥ＢｅｉＧａｎｇ（贝刚）ＡＮＥＷＣＯＭＰＵＴＥＲＲＥＴＲＩＥＶＡＬＳＹＳＴＥＭＦＯＲＭＥＴＥＯＲＯＬＯＧＩＣＡＬＩＮＦＯＲＭＡＴＩＯＮＢｅｉ...

简介：Acompoundneuralnetworkisutilizedtoidentifythedynamicnonlinearsystem.Thisnetworkiscomposedoftwoparts:oneisalinearneuralnetwork,andtheotherisarecurrentneuralnetwork.Basedontheinversetheoryacompoundinversecontrolmethodisproposed.Thecontrollerhasalsotwoparts:alinearcontrollerandanonlinearneuralnetworkcontroller.Thestabilityconditionoftheclosed-loopneuralnetwork-basedcompoundinversecontrolsystemisdemonstratedbasedontheLyapunovtheory.Simulationstudieshaveshownthatthisschemeissimpleandhasgoodcontrolaccuracyandrobustness.

简介：Itisimportanttoestablishtheevaluationsystemofthecleanerproductionoftheminingenterprise,whichcanprovidethetechnicalsupportandguidanceforthecleanerproductionevaluationandfacilitatingthepromotionofcleanerproductivetechniquessoastorealizetheintegrationofeconomicdevelopmentandenvironmentalprotection.Thispaper,accordingtothecharacteristicofminingandAnalyticHierarchyProcess(AHP),establishestheevaluationindexsystem,putsforwardtheoverallquantitativeevaluationmethodbasedonFuzzyMathematicsandtheexperts’experience,andestablishestheevaluationsystemofcleanerproduction.Themainproblemsincleanerproductionofthemineareanalyzedbycalculation,andsomecountermeasuresandsuggestionsareproposed.

简介：TheCDFexperimentattheFermilabTevatronhasbeensignificantlyupgradedforthecolliderRunⅡ,whichstartedinmarch2001andisscheduledtoalstuntil2006,Instantaneousluminositiesof10^32cm^-2S^-1andaboveareexpected.Adataacquisitionsystemcapableofefficientlyrecordingthedatahasbeenoneofthemostcriticalelementsoftheupgrade.Keyfiguresaretheabilititytodealwiththeshortbunchspacingof132ns.eventsizesoftheorderof250kB,andpermanentloggingof20MB/s,Thedesignofthesystemandexperiencefromthefirstmonthsofdata-takingoperationarediscussed.