简介:DellaVecchiaetal.(see[2])introducedakindofmodifiedBernsteinoperatorswhichcanbeusedtoapproximatefunctionswithsingularitiesatendpointson[0,1]Inthepresentpaper,weobtainakindofpointwiseStechkin-typeinequalitiesforweightedapproximationbythemodifiedBernsetinoperators.
简介:为x=(x1,x2,,xn)+nn,对称的功能Fn(x,r)并且Gn(x,r)被$$F_n定义(x,r)=F_n(x_1,x_2,\cdots,x_n;r)=\sum\limits_{1\leqslanti_1and$$G_n(x,r)=G_n(x_1,x_2,\cdots在这份报纸,F的Schur凸状<潜水艇class=“a-plus-plus”>n(x,r)并且G<潜水艇class=“a-plus-plus”>n(x,r)被讨论。作为应用程序,由为一个Schur凸的函数的独立变量的bijective转变,作者为一些另外的对称的函数获得Schur凸状,它在最近的文学包含主要结果;并且由majorization的理论的使用建立一些不平等。特别地,作者从这份报纸的结果导出Weierstrass不平等和Ky扇子不平等,并且给Saftas的归纳在n维的空间和其它推测。
简介:Thereciprocitymeasurementtheoryinanomalousreverberantsoundfieldswasinvestigated.AnimprovedmethodWasproposedduetotheinterrelatederrors.ThesourcevolumevelocityWascorrectedbyspatialaverageofmeasurementresultsandevaluationofthereverberantsoundfieldinfluenceonacousticenergydensity.Theresultwasvalidatedinunderwaterexperiment,correctedreciprocitymeasurementresultswerealmostthesameasdirectmeasurementresults.Itindicatesthatreverberantsoundfielddoesnotaffectthevaliditvoftheprinciple,butinfluencestheobtainmentofsourcevolumevelocity,theninfluencesthemeasurementoftransferfunctionswiththeprinciple.Theproposedmethodissimpleandeffectiveinanomalousreverberantsoundfields.Thestudymavbevaluablefortheapplicationswhicharebasedontheprinciple.
简介:在一个现代电的驱动程序,转子地面向的控制(RFOC)方法被用来完成好表演和适当短暂回答。在这个方法,转子流动的空间向量来由转子抵抗价值方便。转子抵抗是根据马达速度和房间温度改变变化的重要参数之一。在这份报纸,一个新联机评价方法被利用由使用沃尔什功能领域获得转子抵抗。沃尔什功能是在piecewise常数基础功能(PCBF)的最适用的功能之一解决动态方程。在另一方面,一个不可分的运作的矩阵被用来简化计算算法的过程和速度。模拟结果证明建议方法能够在要用体力地与注射噪音在对比估计转子抵抗的时间间隔上在一台电的机器解决动态方程。
简介:Thepurposeofthisstudyistodeterminethefunctionsofuniversitiesanduniversities'problemsintherealizationprocessofthesefunctionsaccordingtotheviewsoffacultymembersineducationfaculties.Theresearchdesignwasaholisticmultiplecasestudydesign.Intheselectionofthestudygroup(participants),thecriteriasamplingmethod,whichisoneofthepurposivesamplingmethods,wasused.Semi-structuredinterviewswereused.Theresultsprovideinsightsintothefunctionsofuniversities,illustrateexperiencewithvariousproblems,andoutlinethemetaphorsdevelopedtodescribethefunctionsofuniversitiesbylecturers.Thisstudystrengthensthesocialandscientificframeworkofuniversitiesbasedoninformationprocessingandprovidesaconcretedescriptionaboutorganizationalprocessesinauniversityandhowauniversityputsintopracticeitsownfunctions.Thisstudyhasdemonsratedthatuniversitiesareeducation-orientedinstitutions.Therefore,thefunctionofscientificresearchofuniversitiesshouldbeactivatedbybeingawayfromtheeducation-orientedstructureoftheuniversities.
简介:Themechanismsfortheregulationofsynapticdopamine(DA)includeitsreleasefrompresynapticvesicles,itsinteractionwithpost-synapticandpre-synapticDAreceptors,thereuptakeofDA,viadopaminetransporter(DAT),thediffusionofDAanditsmetabolismbymono-amineoxidase(MAO)andcatechol-O-methyltransferase(COMT).DAcontrolscomplexand
简介:InthispaperweestablishsharpH¨olderestimatesofharmonicfunctionsonaclassofconnectedpostcriticallyfinite(p.c.f.)self-similarsets,andshowthatfunctionsinthedomainofLaplacianenjoythesameproperty.Somewell-knownexamples,suchastheSierpinskigasket,theunitinterval,thelevel3Sierpinskigasket,thehexagasket,the3-dimensionalSierpinskigasket,andtheVicseksetarealsoconsidered.