简介：Amajordifficultyinmultivariablecontroldesignisthecross-couplingbetweeninputsandoutputswhichobscurestheeffectsofaspecificcontrollerontheoverallbehaviorofthesystem.Thispaperconsiderstheapplicationofkernelmethodindecouplingmultivariableoutputfeedbackcontrollers.Simulationresultsarepresentedtoshowthefeasibilityftheproposedtechnique.

简介：Introduction‘TellmeandIforget;teachmeandIremember;involvemeandIlearn.’InEnglishlanguageteachinginChina,intensivereadinghasalwaysbeenconsideredoneofthemostimportantcomponentsofthecurriculum.Studentsbusilymemorisenewvocabularyandgrammarinandoutofclass.Theyseldomhavetheopportunitytousewhattheyhavelearned:tospeakthetargetlanguageinreallifeortolistentonativespeakers.Consequently,thestudents’listeningandspeakingabilityremainsweakandtheyhavelittleconfidenceintheircommunicativecompetence.Thisappliesparticularlytosciencemajors.TheythinkEnglishisonlyatoolforthemtoreadarticlesorreferencebooksrelatedtotheirownresearchfield.Theskillstheymostneedarereadingandtranslating.Becauseofthelackoflisteningandspeakingpractice,theycannotunderstandspokenEnglishandatthesametimefailtoexpressthemselvesinEnglish.

简介：

简介：

简介：Weexperimentallydemonstrateextractionofsiliconwaveguidegeometrywithsubnanometeraccuracyusingopticalmeasurements.Effectiveandgroupindicesofsilicon-on-insulator(SOI)waveguidesareextractedfromtheopticalmeasurements.AnaccuratemodellinkingthegeometryofanSOIwaveguidetoitseffectiveandgroupindicesisusedtoextractthelinewidthsandthicknesseswithinrespectiveerrorsof0.37and0.26nmonadiefabricatedbyIMECmultiprojectwaferservices.Adetailedanalysisofthesettingoftheboundsfortheeffectiveandgroupindicesispresentedtogettherightextractionwithimprovedaccuracy.

简介：

简介：ＳＹＮＴＨＥＳＩＳＯＦＡＨＥＸＡＣＹＣＬＯＰＥＴＩＤＥＯＮＳＯＬＩＤＳＵＰＰＯＲＴＵＳＩＮＧＢＯＰＲＥＡＧＥＮＴ￥ＺｏｎｇＪｉｎＨＡＮ；ＺｈｅｎＫａｉＤＩＮＧａｎｄＱｉＫａｉＺＨＡＮＧ（ＢｅｉｊｉｎｇＩｎｓｔｉｔｕｔｅｏｆＰｈａｒｍａｃｏｌｏｇｙａｎ...

简介：Riverconfluences(RCs)areimportantfeatureswithinriversystemswherethethreedimensional(3D)flowstructuresandthedownstreammixingofflowscancausedeepscourholes.Despitethis,fewmethodshavebeenproposedtocontrolscouringatRCs.Inthisstudy,applicationofacollarwasexperimentallyexaminedforlocalscourcontrolatthepointwheretworiversflowtogether.Inparticular,experimentaltestsweredonewithandwithoutcollarapplicationatthreedifferentlocations.Theresultsrevealthatthescourdepthisdirectlyproportionaltothedischargeratio,i.e.theratiooflateraldischargetothatinthechanneldownstreamoftheconfluence,andthedensimetricFroudenumber(Frg).Inaddition,installationofacollaratRCscandecreasethescourdepthupto100%,thuscompletelyavoidingthescourprocess.TheresultsalsoshowthatbyincreasingtheFrgtheoptimalinstallationlocationforacollarchangesandmovestowardstheriverbedlevel.Usingacollarcanalsoreducetheheightofthepointbarformeddownstreamoftheconfluence.Theoutcomesofthestudyallowderivationofanequationforpredictingscourdepthwhenacollarisappliedasacountermeasure.TheanalysisofthisequationshowsthattheestimatesaremostlyaffectedbytheFrg.

简介：Inthepresentpaper,thegraphicalmethoddeterminationofoptimalweldingparametersofGMAWisdescribed.Somequalitycomplexcriteriathataretheratioofweldsizeshavebeenproposed.Thesecriteriaallowoptimizingtheshapeoftheweldmetalzone,reducingthelikelihoodofhotcracksformation,andreducingthestressconcentrationoftheweldatthetoe.Intheproposedmethodology,theearlierdescribedequationsconnectingtheweldingparametersandthewelddimensionsofmildandlow-alloysteelsareexplored.Determinationoftheoptimalweldingparametersiscarriedoutgraphicallytakingintoaccountthevarianceoftheweldingparameters.Anexampleofusingtheproposedmethoddestinedtodeterminetheoptimumweldingparametersisprovided.Itisshownthatitsaccuracyissufficientlygoodforapracticalapplication.

简介：DearEditor,IamDr.KhayWeiPohfromDepartmentofOphthalmology,HospitalKualaLumpur,Malaysia.IwritetoshareacaseofdiffusechoroidalhaemangiomainachildwithSturgerWebersyndromewhoshowedresolutionofexudativeretinal

简介：Itiswidelyknownthattheseismicresponsecharacteristicsofasoilsitedependsheavilyonseveralkeydynamicpropertiesofthesoilstratum,suchaspredominantfrequencyanddampingratio.Awidelyusedmethodforestimatingthepredominantfrequencyofasoilsitebyusingmicrotremorrecords,proposedbyNakamura,isinvestigatedtodetermineitseffectivenessinestimatingthedampingratio.TheauthorsconductedsomemicrotremormeasurementsofsoilsitesinHongKongandfoundthatNakamura'smethodmightalsobeusedtoestimatethedampingratioofasoilsite.DampingratiodatafromseveraltypicalsoilsiteswereobtainedfrombothNakamura'sratiocurvesusingthehalfpowerpointmethodandresonantcolumntests.Regressionanalysisindicatesthatthereisastrongcorrelationbetweenthedampingratiosderivedfromthesetwodifferentapproaches.

简介：AsetofdiscretepointsobtainedfromauditrecordsonabehaviorsessionisprocessedwithFouriertransform.ThecriterionofselectingFouriertransformcoefficientsisintroduced,andisusedtofindaunifiedvaluefromthesetofcoefficients.Thisunifiedvalueiscomparedwithathresholdtodeterminewhetherthesessionisabnormal.Finallysimpletestresultsarereported.

简介：Thenetworkmethodformodelingthermoacousticenginesisdescribed.Somesimulationresultsonacousticfieldsandphasesinengine,especiallyinthethermoacousticstackarepresentedandanalyzed.Theeffectsofsomekeyfactorsonperformanceofstackandenginesystemaresimulatedanddiscussed.Theseeffectfactorsincludethespacesofplatesofstack,thepositionofstackinenginesystem,thesourceparameterofstack,andthemeanworkingpressureoftheenginesystem.

简介：

简介：ＮｅｗＭｅｔｈｏｄｏｆＰａｒａｍｅｔｅｒＩｄｅｎｔｉｆｉｃａｔｉｏｎｂｙＵｓｉｎｇＷａｌｓｈＭａｔｒｉｘ①ＹＡＯＬｉｎｇｓｈｉ（ＹａｎｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｑｉｎｈｕａｎｇｄａｏ０６６００４，ＣＨＮ）Ａｂｓｔｒａｃｔ：ＢｙｕｓｉｎｇＷａｌｓｈ...

简介：陆地use/陆地盖子变化的转变由于人的数字和活动发生。因为它帮助理解陆地使用的机制变化并且因此帮助做的相关政策，当模特儿的城市的生长吸引了实质的注意。这份报纸趋于使用逻辑回归在湖北省的Jiayu县为城市的生长建模，中国。计算变量在GIS环境被使用并且，然后在社会科学统计套装软体到发现在城市的生长和驱动力之间的关系。相对操作特征(巨鸟)与曲线显示出当模特儿的精确性0.891与标准错误0.001。一张概率地图最后被产生预言城市的生长在哪儿将由于计算发生。结果证明模型在县规模模仿城市的生长很好。

简介：

简介：

简介：TheadvantageofCOOZ(CompleteObject-OrientedZ)istospecifylargescalesoftware,butitdoesnotsupportrefinementcalculus.Thusitsapplicationisconfinedforsoftwaredevelopment.IncludingrefinementcalculusintoCOOZovercomesitsdisadvantageduringdesignandimplementation.Theseparationbetweenthedesignandimplementationforstructureandnotationisremovedaswell.Thenthesoftwarecanbedevelopedsmoothlyinthesameframe.ThecombinationofCOOZandrefinementcalculuscanbuildobject-orientedframe,inwhichthespecificationinCOOZisrefinedstepwisetocodebycalculus.Inthispaper,thedevelopmentmodelisestablished,whichisbasedonCOOZandrefinementcalculus.Datarefinementishardertodealwithinarefinementtoolthanordinaryalgorithmicrefinement,sincedatarefinementusuallyhastobedoneonalargeprogramcomponentatonce.Astotheimplementationtechnologyofrefinementcalculus,thedatarefinementcalculatorisconstructedandanapproachfordatarefinementwhichisbasedondatarefinementcalculusandprogramwindowinferenceisoffered.

简介：ThelearningBayesiannetwork(BN)structurefromdataisanNP-hardproblemandstilloneofthemostexcitingchallengesinthemachinelearning.Inthiswork,anovelalgorithmispresentedwhichcombinesideasfromlocallearning,constraintbased,andsearch-and-scoretechniquesinaprincipledandeffectiveway.ItfirstreconstructsthejunctiontreeofaBNandthenperformsaK2-scoringgreedysearchtoorientatethelocaledgesinthecliquesofjunctiontree.Theoreticalandexperimentalresultsshowtheproposedalgorithmiscapableofhandlingnetworkswithalargenumberofvariables.Itscomparisonwiththewell-knownK2algorithmisalsopresented.