简介：Selectionoftestcasesplaysakeyroleinimprovingtestingefficiency.Black-boxtestingisanimportantwayoftesting,anditsvalidityliesontheselectionoftestcasesinsomesense.Areasonableandeffectivemethodabouttheselectionandgenerationoftestcasesisurgentlyneeded.Thisletterfirstintroducessomeusualmethodsonblack-boxtestcasegeneration,thenproposesanewalgorithmbasedoninterfaceparametersanddiscussesitsproperties,finallyshowstheeffectivenessofthealgorithm.

简介：WehavemeasuredthedeepenergyleveloftheInP:Fewhichissemi-insulatorthroughthemethodofOTCS.TheeffectoflightintensityonOTCSmeasurementismainlydiscussed.ThereareelectrontrapofET=0.034eVandholetrapofET=1.13eVinInP:Feunderthestronglightandlowtemperature.ThelocationoftheOTCSpeakofelectrontrap(ET=0.34eV)movestowardsthedirectionofhightemperaturer,whenthelightintensitywasincreased,ETisdifferentunderdifferentlightintensity.Itiscorrectedintermsoftheorythatthestuffratioofthedeepenergylevelisaffectedbythelightintensity.Theexperimentsshowthattheerrorisdecreasedgreatlywiththecorrection.

简介：Inthispaper,wepresentanewdeformablemodelforshapesegmentation,whichmakestwomodificationstotheoriginallevelsetimplementationofdeformablemodels.Themodificationsaremotivatedbydifficultiesthatwehaveencounteredinapplyingdeformablemodelstosegmentationofmedicalimages.Thelevelsetalgorithmhassomeadvantagesovertheclassicalsnakedeformablemodels.However,itcoulddeveloplargegapsintheboundaryandholeswithintheobjects.Suchboundarygapsandholesofobjectscancauseinaccuratesegmentationthatrequiresmanualcorrection.Theproposedmethodinthispaperpossessesaninherentpropertytodetectgapsandholeswithintheobjectwithasingleinitialcontourandalsodoesnotrequirespecificinitialization.Thefirstmodificationistoreplacetheedgedetectorbysomeareaconstraint,andthesecondmodificationutilizesweightedlengthconstrainttoregularizethecurveunderevolution.Theproposedmethodhasbeenappliedtobothsyntheticandrealimageswithpromisingresults.

简介：Onthebasisoffree-electronicbands,theFermienergyiscalculatedbysummingthebandeigenvaluesoverBrillouin-xones,andtheresultsmayleadtounderstandthephysicalbasisoftheaverage-bond-energymodelinthecalculationofvalence-bandoffsets.

简介：Thispaperstudiesthelinkageproblembetweentheresultofhigh-levelsynthesisandback-endtechnology,presentsamethodofhigh-leveltechnologymappingbasedonknowledge,andstudiesdeeplyallofitsimportantlinkssuchasknowledgerepresentation,knowledgeutilityandknowledgeacquisition.Itincludes:(1)presentakindofexpandedproductionaboutknowledgeofcircuitstructure;(2)presentaVHDL-basedmethodtoacquireknowledgeoftechnologymapping;(3)providesolutioncontrolstrategyandalgorithmofknowledgeutility;(4)presentahalf-automaticmaintenancemethod,whichcanfindredundanceandcontradictionofknowledgebase;(5)presentapracticalmethodtoembedthealgorithmintoknowledgesystemtodecreasecomplexityofknowledgebase.Asystemhasbeendevelopedandlinkedwiththreekindsoftechnologies,soverifiedtheworkofthispaper.

简介：线性系统的一个反复的答案被学习，它从天线由混合有限元素的方法和时刻的方法与绝缘的目标依附的一根电线的discretization产生(混合女性妈妈).It是有效的由混血儿为如此的电磁的问题建模女性妈妈，因为它两个都拿优点女性的并且妈妈的ability.But结果的线性系统是复杂的，并且它是难的被Krylovsubspace方法独自解决，一种二水平的preconditioning技术将因此是

简介：

简介：Aimingatthedefectsofthenodesinthelowenergyadaptiveclusteringhierarchy(LEACH)protocol,suchashighenergyconsumptionandunevenenergyconsumption,atwo-levellinearclusteringprotocolisbuilt.Theprotocolimprovesthewayofthenodesdistributionatrandom.Theterminalnodeswhichhavenotbeenatwo-levelclusterheadintheclustercancompetewiththeprincipleofequivalentpossibility,andonthebasisoftherestenergyofnodesthetwo-levelclusterheadisselectedatlast.Thesinglehopwithintheclusterandsinglehopormultiplehopsbetweenclustersareused.Simulationexperimentresultsshowthattheperformanceofthetwo-levellinearclusteringprotocolappliedtotheHexicorridoragriculturalfieldissuperiortothatoftheLEACHprotocolinthesurvivaltimeofnetworknodes,theratioofsuccess,andtheremainingenergyofnetworknodes.

简介：Inthemodernanaloguedesign,TransistorLevelFaultSimulation(TLFS)playstheim-portantpartsinceeveryfaultinthewholecircuithastobesimulatedatthatlevel.Unfortunately,itisaveryCPUintensivetaskeventhoughitmaintainsthehighaccuracy.Therefore,HighLevelFaultModeling(HLFM)andHighLevelFaultSimulation(HLFS)arerequiredinordertoalleviatetheeffortsofsimulation.Inthispaper,differentHLFMapproachesarereviewedatthedevicelevelduringlasttwodecades.Weclarifytheirdomainsofapplicationandevaluatetheirstrengthsandcurrentlimitations.Wealsoanalyzecausesoffaultsandintroducevarioustestapproaches.

简介：Theresidualelectricallyactivedefectsin(4×1012cm-2（30KeV）+5×1012cm-2（130KeV）)si-implantedLECundopedsi-GaAsactivatedbytwo-steprapidthermalannealing（RTA）LABELEDAS970℃（9S）+750℃（12S）havebeeninvestigatedwithdeepleveltransientspec-troscopy（DLTS）.TwoelectrontrapsET1(Ec-0.53eV,σn=2.3×10-16cm2)andET2（Ec-0.81eV,σn=9.7×10（-13）cm2）aredetected.Furthermore,thenoticeablevariationsoftrap’scon-centrationandenergylevelintheforbiddengapwiththedepthprofileofdefectsinducedbyionim-plantationandRTAprocesshavealsobeenobserved.The[Asi·VAs·AsGa]and[VAs·Asi·VGa·AsGa]areproposedtobethepossibleatomicconfigurationsofET1andET2,respectivelytoexplaintheirRTAbehaviors.

简介：Throughexperimentsandcomputersimulation,theinfluenceoftheenergylevelsoforganicmaterialsandelectrodematerialsintheorganiclight-emittingdiodes(OLEDs)onthedeviceperformancesisdiscussed.Resultsshowthatthedeviceperformancesareinfluencedbynotonlythecarrierinjectionbarriersattheelectrodeinterfacebutalsothebarriersattheorganicheterojunctioninterface.ThisresultishelpfultotheselectionoftheorganicmaterialsandtheirarrangementintheoptimaldesignofOLEDs.

简介：Doubledataratesynchronousdynamicrandomaccessmemory(DDR3)hasbecomeoneofthemostmainstreamapplicationsincurrentserverandcomputersystems.Inordertoquicklysetupasystem-levelsignalintegrity(SI)simulationflowfortheDDR3interface,twosystem-levelSIsimulationmethodologies,whichareboard-levelS-parameterextractioninthefrequency-domainandsystem-levelsimulationassumptionsinthetimedomain,areintroducedinthispaper.BycomparingtheflowofSpeed2000andPowerSI/Hspice,PowerSIischosenfortheprintedcircuitboard(PCB)board-levelS-parameterextraction,whileTektronixoscilloscope(TDS7404)isusedfortheDDR3waveformmeasurement.Thelabmeasurementshowsgoodagreementbetweensimulationandmeasurement.ThestudyshowsthatthecombinationofPowerSIandHspiceisrecommendedforquicksystem-levelDDR3SIsimulation.

简介：晶片水平密封包裹方法与benzo-cyclo-butene(BCB)为optoelectronic在低温度试验性地被学习材料。结果证明结合的温度在250℃下面，两silicon-BCB-siliconandsilicon-BCB-glass的密封能力包装的氦比6X10~好(-4)Pa吗？cm~3/s。剪切强度为包裹是足够的。hermeticity在15个周期以后仍然好“热吃惊测试。在来自洞的漏率和到设备边阶的距离之间的Therelationship也与一个渗出物模型被讨论。

简介：Themicroscopicmechanismoflowlevellaserirradiation(LLLI)mendingrheologyforbloodisanalyzedbythequantumtheory.Theresultsshowthatthelasercanresolvethefibrinclot,sothepropertyofbloodrheologyisimproved,andsomebondsofthecholesterolinbloodarefracturedbythelowlevellaser(LLL).Hencetheratioofmembranecholesteroltomembranephosphatideoftheredcellisreduced,andthenthebloodcirculationcanbeimproved.Theclinicalcuredtestsandsomecorrelativetestdatacanbeexplainedbythetheoreticalanalysesinthispaper.

简介：Accordingtothedipoletransitionselectionrulesandbychoosingpropertransitionchannels,itisfoundthattheinvertedY-typefour-levelschemecanbeclassifiedintoninedifferent2nd-ordersubschemeswhenusingcorrespondinglaserfields,andtheycanbefurtherclassifiedintoeighty3rd-ordersubschemesindetailaccordingtodifferentexcitingintensitiesthatareappliedindifferentchannels.Inthispaper,thestructuremultiformityofinvertedY-typefour-levelschemeisdiscussedandthedemonstrationsonsomesubschemesarealsogiven.Atthesametime,thesubschemeswhichhavebeenstudiedarepointedout,butmostofthemhavenotbeenresearchedtothebestofourknowledge.

简介：Withtheincreaseoftheclockfrequencyandsiliconintegration,powerawarecomputinghasbecomeacriticalconcerninthedesignoftheembeddedprocessorandsystem-on-chip(SoC).Dynamicvoltagescaling(DVS)isaneffectivemethodforlow-powerdesigns.However,traditionalDVSmethodshavetwodeficiencies.First,theyhaveaconservativesafetymarginwhichisnotnecessaryformostofthetime.Second,theyareexclusivelyconcernedwiththecriticalstageandignorethesignificantpotentialfreeslacktimeofthenoncriticalstage.Thesefactorsleadtoalargeamountofpowerwaste.Inthispaper,anovelpipelinestructurewithultra-lowpowerconsumptionisproposed.Itcutsoffthesafetymarginandtakesuseofthenoncriticalstagesatthesametime.Aprototypepipelineisdesignedin0.13mtechnologyandanalyzed.Theresultshowsthatalargeamountofenergycanbesavedbyusingthisstructure.Comparedwiththefixedvoltagecase,50%oftheenergycanbesaved,andwithrespecttothetraditionaladaptivevoltagescalingdesign,37.8%oftheenergycanbesaved.

简介：Classifyingthetextureofgranulesin2Dimageshasarousedmanifoldresearchatten-tionforitstechnicalchallengesinimageprocessingareas.ThisletterpresentsanaggregatetextureidentificationapproachbyjointlyusingGrayLevelCo-occurrenceProbability(GLCP)andBPneuralnetworktechniques.First,upto8GLCP-associatedtexturefeatureparametersaredefinedandcomputed,andtheseconsequentparametersnextserveastheinputsfeedingtotheBPneuralnetworktocalculatethesimilaritytoanyofgivenaggregatetexturetype.Afinitenumberofaggregateimagesof3kinds,witheachcontainingspecifictypeofmineralparticles,areputtotheidentificationtest,experimentallyprovingthefeasibilityandrobustnessoftheproposedmethod.

简介：Thisletterstudiesandanalyzestheworkingfeaturesofmaincircuitoftri-levelboostPowerFactorCorrect(PFC)converterandtheadvantagesoftri-levelswitchconverterinaspectsofbearinghigh-voltageofpowercomponents,overallsystemlossandmagneticcomponentselectionbaseduponthesingle-levelboostPFCswitchconverter.Besides,relyingontheapplicationofmi-croprocessorinpowerconvertertechnologyandDSP(DigitalSignalProcessing)chip'sstrongcal-culatingcapacity,theletterpresentstheadoptionofmodifiedschemeoftri-levelboostPFCconverterunderthecontrolofpredictivecontrolalgorithm.Moreover,theoperatingprincipleandcontrolmethodarespecified,theresultsofcircuittestandanalysisareprovidedandtheadvantagesofpre-dictivecontroltechnology-basedmulti-levelboostPFCconverterisverified.