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简介：VoIP(VoiceoverIP)isarapidlygrowingareawithgreatmarketpotential.Topromoteitforbothcommericalandresearchpurposes,aprototypeVoIPsystembasedonstate-of-the-artotorolacommunicationtechniqueshasbeendeveloped.ItisagatewaysystemintegratingaPBXandaVoIPmodule.AllcomponentsthatH.323definestosupprotVoIPareimplementedintheVoIPmodule,thoughinasimplifiedmanner,Asanembeddedsystem,thesystemfeaturesrealtimenessandtaskdistributiveness.Anumberofaddiitonaltechniquesareusedtoimprovetheperformance,includingnoisesuppression,zerocopy,andbufferstructureoptimization.Whenrefinedininteroperability,thesystemwillalsoreadilyserveasaproduct.

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简介：ThedevelopmentofInternetprovidesconvenientenvironmentforinformationsearchingandbrowsing.Italsoofferssanewplatformforgeographicinformationprocessingandanalysis.ThispaperdiscussesorganizationandprocessingapproachtoInternetgeographicinformation,andprovidesanewmethodtocross-platformanddistributedgeographicinformationanditssoftwareimplementation.Theexampieisusedtoshowthepracticalityandsuperiorityofthismethod

简介：Inthefirstpartofthepresentpaperwehaveexplainedwhywemanagetoformulateanotherwavepredictionmodelwhensomanyofthem,includingtheso-calledthirdgenerationmodel,havealreadybeeninuse.Thewind-wavepartoftheproposedmodelhasalsobeengiven.Nowweproceedtodiscusstheswellpart,theimplementationofthemodelasapredictionmethod,mumericalexperimentsdonewithidealwindfieldsandhindcastsmadeintheBohaiSea,intheneighboringseasadjacenttoChinaandintheNorthwestPacific.

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简介：TheGAMMAparadigmisrecentlyproposedbyBanatreandMetayertodescribethesystematicconstructionofparallelprogramswithoutintroducingartificialsequentiality.ThispaperpresentstwosynchronousexecutionmodelsforGAMMAanddiscusseshowtoimplementthemonMasParMP-1,amassivelydataparallelcomputer.TheresultsshowthatGAMMAparadigncanbeimplementedverynaturallyondataparallelmachines,andveryhighlevellanguage,suchasGAMMAinwhichparallelismisleftimplicit,issuitableforspecifyingmassivelyparallelapplications.

简介：Thispaperpresentstheworkingprocedureofpowergeneratingenterprisesandexplainstheframeworkofane-power-plantanditsinformationsystem,putsforwardtheguidelineandthegeneralgoalofinformatizationconstructionwhilefocusingontheconstructiongoalintheappliedsystem,theimplementingstrategy,theprojectmanagementandorganization.

简介：SelectingKizilgrottoesasresearchtarget,thisarticlediscussedanewmodeofintegrationofcultureandscience.ThroughacombinationofwebsitetechnologiesHTML5andPHP,'impression·Kizilgrottoesonlineexhibition'isrealized.Themainfunctionsincludecontentsshow,databaseconnectionoperation,informationpublicationandlayoutdesign,itcansatisfyapplicationrequirementsofdynamicwebsite.

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简介：ＡＮＥＦＦＩＣＩＮＴＩＭＰＬＥＭＥＮＴＡＴＩＯＮＯＦＭＥＲＲＩＬＬ＇ＳＭＥＴＨＯＤＹＡＮＧＢｉｎｇ（ＤｅｐａｒｔｍｅｎｔｏｆＭａｎａｇｅｍｅｎｔＥｎｇｉｎｅｅｒｉｎｇＨａｒｂｉｎＥｎｇｉｎｅｅｒｉｎｇＵｎｉｖｅｒｓｉｔｙＨａｒｂｉｎ１５０００１）Ａｂ...

简介：Withtherapidgrowthoftheinternet,thefastinformationcommunicationandthecomprehensiveinformationpublicationbecomeavailable.Toattracttheattentionofbrowsersandletbrowsersknowthehotnewsintime,awebsiteisrequiredtoupdateitscontentconstantly.Thetraditionalmodetomanuallyupdatewebsiteisnolongersuitablefortherapidgrowthofwebsitecontents.Moreover,

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简介：TheATLASdetectorisoneofthemostsophisticatedandhugedetectorseverdesigneduptonow.Adetailed,flexibleandcompletesimulationprogramisneededinordertostudythecharacteristicsandpossibleproblemsofsuchachallengingapparatusandtoanswertoallraisingquestionsintermsofphysics,designoptimization,etc.TocopewiththeseneedsweareimplementinganapplicationbasedonthesimulationframeworkFADS/Goofy(FrameworkforATLASDetectorSimulation/Geant4-basedObject-OrientedFolly)intheGeant4environment.Theuser'sspecificcodeimplementationispresentedindetalilsforthedifferentapplicationsimplementeduntilnow,fromthevariouscomponentsoftheATLASspectrometertopsomeparticulartestbeamfacilities,particularemphasisisputindescribingthesimulationoftheMuonSpectrometeranditssubsystemsasatestcasefortheimplementationofthewholedetectorsimulationprogram:theintrinsiccomplexityinthegeometrydescriptionoftheMuonSystemisoneofthemoredemandingproblemsthatarefaced.Themagneticfieldhandling,thephysicsimpactintheeventprocessinginpresenceofbackgroundsfromdifferentsourcesandtheimplementationofdifferentpossiblegenerators(includingPythia)arealsodiscussed.