简介：AneffectivemethodisintroducedtocompensatetheeffectsofmutualcouplingfortheEstimationofSignalParameterviaRotationalInvarianceTechniques(ESPRIT)directionfindingalgorithminapplicationofsignalsnapshotarrayprocessing.ChangingthecovariancematrixintoaTeoplitzmatrixcanachievehighresolutionintheDirectionOfArrive(DOA)estimation.Howthemutualcouplingaffectsthearrayantennashasbeendiscussedandanewdefinitionofmutualim-pedancehasbeenusedtocharacterizethemutualcouplingeffectsbetweenthearrayelements.Basedonthenewmutualimpedancematrix,apracticalmethodispresentedtoeliminatetheeffectsofmutualcouplingforESPRITinthesinglesnapshotdataprocessing.Thesimulationresultsshowthat,thisnewmethodnotonlyproperlyreducestheeffectsofmutualcoupling,butalsomaintainsitssteadyperformanceevenforweaksignals.

简介：Multisensordatafusion(MDF)isanemergingtechnologytofusedatafrommultiplesensorsinordertomakeamoreaccurateestimationoftheenvironmentthroughmeasurementanddetection.ApplicationsofMDFcrossawidespectruminmilitaryandcivilianareas.Withtherapidevolutionofcomputersandtheproliferationofmicro-mechanical/electricalsystemssensors,theutilizationofMDFisbeingpopularizedinresearchandapplications.ThispaperfocusesonapplicationofMDFforhighqualitydataanalysisandprocessinginmeasurementandinstrumentation.Apractical,generaldatafusionschemewasestablishedonthebasisoffeatureextractionandmergeofdatafrommultiplesensors.Thisschemeintegratesartificialneuralnetworksforhighperformancepatternrecognition.AnumberofsuccessfulapplicationsinareasofNDI(Non-DestructiveInspection)corrosiondetection,foodqualityandsafetycharacterization,andprecisionagriculturearedescribedanddiscussedinordertomotivatenewapplicationsintheseorotherareas.ThispapergivesanoverallpictureofusingtheMDFmethodtoincreasetheaccuracyofdataanalysisandprocessinginmeasurementandinstrumentationindifferentareasofapplications.

简介：为处理那的激光的一个基于DSP的控制系统与PC或没有在它的力量的二种尺寸，和控制启用激光横梁的运动PC被讨论。与图象日期的快速的处理一起的控制系统的操作和实现被介绍。控制系统的目的是以如此的一种方式操作激光设备，各种各样的可编程的激光控制信号为字符和图画处理的向量和位图是可得到的。这个控制系统让处理聪明、灵活的更多和罐头的激光被用于焊接，由激光标记并且雕刻。CLC数字TN249文件代码A

简介：InJulyof1987,theSamplingSurveyofChildren’sSituationwasconductedin9provincesautonomousregionsofChina.Astratifiedtwo--stageclustersamplingplanwasdesignedforthesurvey.Thepaperpresentsthemethodsofstratification,selectingn=2PSU’s(cities/counties)withunequalprobabilitieswithoutreplacementineachstratumandselectingresidents/villagecommitteeineachsampledcity/county.Allformulaeofestimatingpopulationcharacteristics(especiallypopulationtotalsandtheratiosoftwototals),andestimatingvariancesofthoseestimatorsaregiven.Finally,weanalysetheprecisionofthesurveypreliminarilyfromtheresultofdataprocessing.

简介：在这篇论文，出现在图形处理的一个二阶段的半混血儿流动商店问题被学习。为这个问题，有二台机器M_1和M_2，和一套独立工作J={J_1，J_2，…，J_n}。每J_i由二项任务组成在任务B_i能开始以前，A_i和B_i，和任务A_i必须被完成。而且，任务A_i能为a_i时间单位在M_1上被处理，否则在为′_的M_2上，我预定单位，当任务B_i能仅仅为b_i时间单位在M_2上被处理时。工作和机器在时间零点是可得到的，没有先买权被允许。目的是最小化最大的工作结束时间。这个问题是NP难的，这被显示出。并且apseudo多项式时间最佳的算法被介绍。有2也是的最坏的比率的一个多项式时间近似算法介绍了。

简介：Howtocontrolmeltcompositionisthekeyforgettinghighqualityalloymelt.Thepapermadethefollowingefforts:(1)TheactivitycoefficientsinTi-15-3melthavebeencalculated.(2)Takingadvantageoftheactivitycoefficients,theevaporationlossesofcomponentsinTi-15-3meltduringISMprocesshavebeenstudied.Thecalculatedresultsshowthatthereisacriticalvacuumdegree(about1.33Pa)duringmeltingprocess.

简介：时间的不平等的一种新类型被讨论，它适用于算法的进程，包含处理联合起来的有限记忆。他们是Leggett-Grag，以及到由Brukner等的修改的一种选择。如果一个人考虑包含有限存储器的系统的量和古典进程的比较(在两个盒子中的一样的能力)，不平等给我们能期望量加速的一条清楚的消息。在古典进程，一个人清楚地总是定义可能的大小的值，或以信息处理语言如果我们有一取决于到达各个的数据的某功能的顺序的计算走在一个算法上，函数总是有清楚地定义的值。在算法的结束以后，在量盒子中，仅仅最后的价值被定义。与Bohrs补充一致，所有中间的价值不能被归功于明确的价值。

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简介：LinuxbasednetworkedPCsclustersarereplacingboththeVMEnonuniformdirectmemoryaccesssystemsandSMPsharedmemorysystemsusedpreviouslyfortheonlineeventfilteringandreconstrucion.ToallowanoptimaluseofthedistributedresourcesofPCclustersanopensoftwareframeworkispresentlybeingdevelopedbasedonadataflowparadigmforeventprocessing.Thisframeworkallowsforthedistributionofthedataofphysicseventsandassociatedcalibrationdatatomultiplecomputersfrommultipleinputsourcesforprocessingandthesubsequentcollectionoftheprocessedeventsatmultipleoutputs.Thebasisofthesystemistheeventrepository,basicallyafirst-infirst-outeventstorewhichmaybereadandwritteninamannersimilartosequentialfileaccess.Eventsarestoredinandtransferredbetweenrepositoriesassuitablylargesequencestoenablehighthroughput.Multiplereaderscanreadsimultaneouslyfromasinglerepositorytoreceiveeventsequencesandmultiplewriterscaninserteventsequencestoarepository,Hencerepositoriesareusedforeventdistributionandcollection.Tosupportsynchronisationoftheeventfolowtherepositoryimplementsbaaiers.Abarriermustbewrittenbyallthewritersofarepositorybeforeanyreadercanreadthebarrier,Areadermustreadabarrierbeforeitmayreceivedatafrombehindit.Onlyafterallreadershavereadthebarrieristhebarrieremovedfromtherepository.Abarriermayalsohaveattacheddata,Inthiswaycalibrationdatacanbedistributedtoallproessuingunits.Therepositoriesareimplementedasmulti-threadedCORBAobjectsinC++andCORMAisusedforalldatatransfers,JobsetupscriptsarewritteninpythonandinteractivestatusandhistogramdisplayisprovidedbyaJavaprogram.JobsrununderthePBSbatchsystemprovidingshareduseofresourcesforonlinetriggering,offlinemassreporcessinganduseranalysisjobs.

简介：Influenceofthermo-mechanicalcontrolledprocessing(TMCP),includingtwo-stagerollingwithlaminarcooling,aircoolingandultra-fastcooling,onthemicrostructureandmechanicalpropertiesofthreekindsofNb-microalloeyedsteelswasinvestigatedbyhot-rollingexperiment.Effectofchemistrycompositionsandmicrostructureonmechanicalpropertiesandtherelationshipbetweenthemultiphasemicrostructure’sformationwithTMCPwereanalyzed.Theresultsshowedthatthemixedmicrostructurecontainingferrite,bainite,martensiteandasmallamountofretainedaustenitecanbeobtainedbythermo-mechanicalcontrolledprocessing.Size,quantityanddistributionoftheconstituents(ferritegrain,bainitepacketandM-Aislands)significantlyaffectthemechanicalpropertiesofthreekindsofNb-microalloyedsteels.UndertheconditionofsimilarTMCPparameters,thereisagraduallydecreasingtendencyintensilestrengthfromhighsiliconNbsteel,highsiliconNb-TisteeltolowsiliconNb-Tisteel,andanoppositetendencyintotalelongationandproductoftensilestrengthandductility.Totalelongationandproductoftensilestrengthandductilityreachthemaximumvalues(41%and25256MPa%respectively)forlowsiliconNb-Tisteel.

简介：Thispaperinvestigatesthemathematicfeaturesofnon-linearmodelsanddiscussestheprocessingwayofnon-linearfactorswhichcontributestothenon-linearityofanonlinearmodel.Onthebasisoftheerrordefinition,thispaperputsforwardanewadjustmentcriterion,SGPE.Last,thispaperinvestigatesthesolutionofanon-linearregressionmodelinthenon-linearmodelspaceandmakesthecomparisonbetweentheestimatedvaluesinnon-linearmodelspaceandthoseinlinearmodelspace.

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简介：Coprecipitationsupercriticalfluiddryingtechnologyhasbeenemployedtosynthesizecalcia-stabilizedzirconiaultrafinepowderwithlow-costinorganicsaltsasthestartingmaterials.Thesinteringbehaviorsofthesepowderswerealsoinvestigated.Theresultsshowedthatsupercriticalfluiddryingcouldeffectivelyalleviatethehardagglomerationofgrainsduringthegeldryingprocess,andthemorphologyofthepowderretainedthenetworktextureoftheoriginalgel.Theresultingparticleswerecharacterizedbysmallparticlesize(5～20nm),bettermonodispersityandhighsurfacearea,whichgaverisetohighactivityandsinterability.Consequently,thesepowderscouldreadilybecompactedintothedesiredshapeandtheirdensificationcouldbecarriedoutinshortertimeandatlowertemperatures.Forinstance,nanometer-sizedpowdercalcinedat600℃for2hcouldbecold-pressedintoagreenbodyandsinteredat1100°for0.5htoattainadensebodywithbulkdensityof5.9718g/cm3andspecificporevolumeof0.0008cm3/g.

简介：Basedontheexistingcontinuousboreholestrainobservation,themultiquadricfunctionfittingmethodwasusedtodealwithtimeseriesdata.Theimpactofdifferencekernelfunctionparameterswasdiscussedtoobtainavaluablefittingresult,fromwhichthephysicalconnotationoftheoriginaldataanditspossibleapplicationswereanalyzed.Meanwhile,abriefcomparisonwasmadebetweentheresultsofmultiquadricfunctionfittingandpolynomialfitting.

简介：Afterover10yearsofexistence,DELPHIoff-linesoftwarecountsaltogetherover1500klines.Beingwrittenbymultitudeofauthorsk,manyofthemhavingalreadyleft,itisveryincoherentandextremelydifficulttomaintain:itiswritteninFortran,itreliesonobsoletetoolsandithastoruninadistributedmulti-oscomputingenvironment.Still.astheanalysisofLEPdatawillcontinueduringthenext5-6years,thiscodewillhavetobeusedandbeportedtoyetanotherplatforms.Inordertoensurehighefficiencyinuseofourresources,wehavedevelopedseveraltoolswhichhidefromtheusermostoftheintricaicesoftheoperatingsystem,batchsystemanddataaccess.Thesetoolsarewellintegratedandeasytomaintain.AstheproblemsarequitetypicalfortheHighEnergyPhysicssoftware,webelievethattheideaswehaveimplementedcanbeusefulalsoforthenextgenerationofexperiments.

简介：TheproblemofshiphullplateprocessingsurfacefairingwithconstraintsbasedonB-splineissolvedinthispaper.ThealgorithmforB-splinecurvefairingwithconstraintsisoneofthemostcommonmethodsinplanecurvefairing.Thealgorithmcanbeappliedtoglobalandlocalcurvefairing.Itcanconstraintheperturbationrangeofthecontrolpointsandtheshapevariationofthecurve,andgetabetterfairingresultinplanecurves.Inthispaper,anewfairingalgorithmwithconstraintsforcurvesandsurfacesinspaceispresented.Thenthismethodisappliedtotheexperimentsofshiphullplateprocessingsurface.Finallynumericalresultsareobtainedtoshowtheefficiencyofthismethod.

简介：摘要：随着生活水平的不断提高，人们对于生活品质的要求也在不断提升，音乐可视化的发展理念正好迎合上大众对新型娱乐方式的诉求，情感色彩基于Processing对音乐频率分析呈现音乐可视化，体验听觉和视觉双重冲击，形成类似于电影一般具有其独特审美体验和美学光影效果的视听盛宴。

简介：Inbistaicacoustictesting,therewillbestrongdirectblastinterference.Analgorithmbasedonsignalphase-matchingarrayprocessingthatrejectsdirectblastinterferenceinbistaticacoustictestinghasbeenstudied,throughwhichtheobjectscatteringsignalisaccuratelyextracted.Characteristicsofbistaticacoustictestingandsignalphasematchingprocessingprinciplearefullyintegratedinthisalgorithm.Firstly,thedirectblastinterferenceiscalculatedfromthereceivingsignalbasedonthreesubarrayssignalphasematchingprocessing.Secondly,thedirectblastisrejectedbysubtractionfromthereceivingsignal.Inthiswaythelimitationsofthehighsignaltonoiseratiothatsignalphasematchingprocessingrequiredfordirectcalculatingtheobjectscatteringsignalcanbeavoided.Simulationandseatrialresultsshowthat,whentheratioofsignaltointerferenceisgreaterthan-20dB,thisalgorithmofdirectblastinterferencerejectionbasedphasematchingsignalprocessingcanaccuratelyextracttheobjectscatteringsignal.

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简介：Aim:TocomparetherecoveryrateofmorphologicallynormalandchromatincondensedspermatozoafromnativesemensamplesusingtheSpermPrepTMfiltrationcolumnsandPercollgradientcentrifugationandtodeterminetheinfluenceofthetwoprocessingtechniquesonfertilizationandpregnancyratesinanIVF-ETprogram.Methods:Sixteensemensamplesobtainedfrompatient'shusbandwereincludedinthisstudy.Eachwasdividedintotwoaliquots.ThefirstaliquotwasprocessedwithSpermPrepTMfiltrationcolumnsandthesecond,Percollgradientcentrifugation.Smearsweremadebeforeandaftersemenprocessingwithbothmethodsfortheevaluationofchromatincondensation(chromomycineCMA3)aswellasmorphology(strictcriteria)ofspermatozoa.Onehundredandseventyoocyteswereretrievedfromthepatientsandtheoocytesfromeachpatientweresubdividedintotwosets:onesetwasinseminatedusingspermatozoaprocessedwithSpermPrepTMandtheotherinseminatedaftersemenprocessingwithPercollgradientcentrifugation.Resuits:ThePercollmethodyieldedasignificantlyhigherpercentageofchromatincondensed(90.8±6.5%vs82.3±8.8%,P=0.017)andmorphologicallynormalspermatozoa(12.9±7.4%vs6.9±4.8%,P=0.001)incomparisontoSpermPrepTM.Whereas,spermcountrecoveryratewassignificantlyhigheraftertheuseofSpermPrepTMthanafterthePercollgradientcentrifugation.Thefertilizationratewassimilarbetweenthetwomethods.Conclusion:SemenprocessingwithPercollshouldberecommendedforintracytoplasmicsperminjectionasthenaturalselectionisbypassedandtheSpermPrepTMtechniquecouldberecommendedfor1VFandIUIprogramsasthespermconcentrationplaysamoresignificantroleintheseprocedures.