简介：Square是Twitter的创始人之一JackDorsey新创立的一个项目，让人们可以利用智能手机进行信用卡支付。这项创新将极大地改变现有的交易方式。《新货币》一文带我们了解Square的方方面面。

简介：ThispaperintroducesthecurrentsituationofdomesticfurnitureproductionaswellasworldfurnitureCADproducts,putsforwardthenecessityofdevelopingadedicatedCADsystem_WFCADanditsmainfunctions,Itanalyzesindetailtheappliedtechnologyandkeytechniques,includinggeometricmodeling,assembly,jointdesign,databaselinkingandmanagement.TheapplicationofWFCADinfurnituremanufacturingenterprisesanditsfurtherimprovementareoutlined.

简介：Tomeettherequirementsandfunctionsofspacecraftdynamicsimulationandemulationaccordingtodifferentflightperiods,therealizationofrealtimesystemwithdifferentconfigurations,controlofthedevelopmentcycleandexamplesofapplicationarepresentedindetail.Onthebasisofthesatellitedynamicsimulationtechnology,distributednetworkintegratedwiththecomponenttestingplatformsisusedtoconstructamulti-levelbusnetworksystem.Thesystemtakesintofullconsiderationtheconfigurationflexibility,realtimecharacteristicsandextendibility.Testresultsshowthatboththesoftwarealgorithmandthehardwareintegrationofthesystemarecorrectandeffective.Thesystemcouldbeusednotonlyastheeffectivetoolofdesigninganddevelopingthecomponentsandwholeassemblyofsatellitesandmissiles,butalsoforthedynamicsimulationandemulationinallphasesofaspacecraftdevelopmentcycle.

简介：

简介：ThispapermainlydiscussestheproblemsexistinginthetraditionaldesignprocessoftherefrigerationstationandtriestosolvethemwithBIMtechnology.ConsideringthecharacteristicsofBIMtechnology,BIMdesignprocessispresentedbasedonthetraditionaldesignprocesstoachievethegoalofimprovingdesignqualityandefficiency.

简介：

简介：Duetothedefectsofcurrentaircraftproductconfigurationtechnology,suchasthegapbetweenproductdesignandcustomers’requirements,thelowconfigurationefficiencyandetc.acustomer-orientedproductconfigurationsolutionofaircraftwasproposedinthispaper.Basingonadeepinvestigationintothemarketandthestructureoftheaircraft,thispaperproposedamethodofdividingandcreatingtheaircraftoptions,inwhichwesetupoptionalconstraintstomeetthedemandofconfigurationandthenoptimizedtheconstraintalgorithm.Thisworkcanhelptorealizetheoptimumassociationbetweentheaircraftoptionsandmodules.Basingonaresearchoncustomerdemand,Thepaperestablishedacustomerdemandmodelandamappingrelationshipwhichexistsbetweencustomerdemandandaircraftoptions,Itcanalsohelptomakeagreatcontributiontobuildcustomerpersonalizeddemandoftheaircraftconfigurationprocessandtheaircraftconfigurationlibrary.

简介：Covarianceofcleansignalandobservednoiseisnecessaryforextractingcleansignalfromatimeseries.Thisistransferredtocalculatethecovarianceofobservednoiseandcleansignal'sMAprocess,whenthecleansignalisdescribedbyanautoregressivemovingaverage(ARMA)model.Usingthecorrelationsoftheinnovationsdatafromobservedtimeseriestoformaleast-squaresproblem,aconciselyautocovarianceleast-square(CALS)methodhasbeenproposedtoestimatethecovariance.Wealsoextendedourw...

简介：

简介：Finstabilizerswithfin-liftfeedbackcontrolcanshieldthemappingerrorofcalculationbetweenthefinangleandfinliftforce,whichisinthefinstabilizerwithfin-anglefeedbackcontrol.Inpractice,therearesometechnicaldifficultiesinliftfinstabilizers,suchasliftforcedetectionandliftforcesensorinstallation,soitcannotachievethegoodantirollingperformance.Therefore,afinstabilizersystemwithfin-lift/fin-angleintegratedcontrolisbroughtforward.Datafusionbasedonwaveletdenoisingtechnologyisemployedinthesystem,whichcombinesliftwithfinanglelocalinformationfromtwosensorswithdifferentfrequencyrangesinordertoeliminateredundantandcontradictoryinformation,andusingcomplementaryinformationtoobtaintherelativeintegrityoftheliftforcesignal.Thesystemmodelisestablishedinthispaper,andthefusionsignalandtheantirollingperformanceofthismodelaresimulatedrespectively.Theresultshowsthatthecontrolsystemcanmeettheantirollingneedindifferentseasituations.

简介：AlienTechnology发布新款超高频（UHF）RFID读写器及网关设备ALR-F800-X,旨在缩短中小型企业的RFID项目部署过程.

简介：

简介：

简介：Identifyingeachprocessandtheirconstraintrelationsfromthecomplexwiringharnessdrawingsquicklyandaccuratelyisthebasisforformulatingprocessroutes.Accordingtotheknowledgeofautomotivewiringharnessandthecharacteristicsofwiringharnesscomponents,weestablishedthemodelofwiringharnessgraph.Thenweresearchthealgorithmofidentifyingtechnologyprocessesautomatically,finallywedescribetherelationshipsbetweenprocessesbyintroducingtheconstraintmatrix,whichisinordertolayagoodfoundationforharnessprocessplanningandproductionscheduling.

简介：

简介：

简介：Inviewofthecurrentgesturerecognitionalgorithmbasedonskincolorsegmentationisnotflexibleandhasweakresistancetotheenvironment,thispaperputsforwardanewmethodofskincolormodelingtoimprovetheadaptabilityofgesturesegmentationwhenitfacetodifferentstates.ThemodelingbuiltbydoublecolorspaceinsteadofonlyoneiscompatiblebothinYCbCrandHSVcolorspacetotrainingtheGaussianmodelwhichcanupdatethethresholdvalueforbinarization.Finally,thispaperdesignedanaturalgesturerecognitionandinteractivesystemsbasedonthedoublecolorspacemodel.Ithasshownthatthesystemhasagoodinteractiveexperienceindifferentenvironments.

简介：

简介：

简介：