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10 个结果
  • 简介:OnaccountofthemultiformityofMEMSdevices,itisnecessarytointegratewithsomeopticalmeasurementtechniquesformeetingstaticanddynamicunittestrequirements.Inthispaper,anautomatedMEMStestsystemisbuiltofsomecommerciallyavailablecomponentsandinstrumentsbasedonvirtualinstrumenttechnology.Thesystemisintegratedwithstroboscopicimaging,computermicro-vision,microscopicMirauphaseshiftinginterferometry,andlaserDopplervibrometer,andisusedforthemeasurementoffull-viewin-planeandout-of-planegeometricparametersandperiodicalmotionsandsinglespotout-of-planetransientmotion.Thesystemconfigurationandmeasurementmethodsareanalyzed,andsomeapplicationsofthemeasurementofin-planeandout-of-planedimensionsandmotionsweredescribed.Themeasurementaccuracyofin-planedimensionsandout-of-planedimensionalisbetterthan0.2μmand5nmrespectively.Theresolutionofmeasuringin-planeandout-of-planemotionsisbetterthan15nmand2nmrespectively.

  • 标签: 虚拟仪表技术 MEMS 试验系统 光学测量 微机电技术
  • 简介:有基础能由underpressure/positive压力技术渗透并且移居的桶的站台由外面/在里面抽水引起了桶。然而,桶基础的构造过程不能清楚地由于海环境的特殊性质被观察并且有效地控制了。由使用Multigen创造者的一个先进模拟开发工具,为有桶基础的平台的视觉构造模拟程序被开发基于Vega站台的第二等的开发技术在每个看法角度与相互作用控制和观察安装虚拟现实系统。应用程序结果证明方法由与四个桶基础为站台模仿整个构造过程可行、有效。

  • 标签: 桶形基础平台 可视化仿真技术 二次开发技术 虚拟现实系统 平台建设 VEGA
  • 简介:AmongthecurrentreformmeasuresundertakeninChineseK-12education,toadoptNewCurriculaandtoimproveICTapplicationinteachingarebothdecisive,however,thelackofqualifiedtrainersishandicappingtheprofessionaldevelopmentofover10millionsin-serviceteachers.OneofeChina-UKprojectsincollaborationbetweenuniversitiesfrombothsidesisdesignedtodevelopvirtuallearningcommunity(VLC)amongin-serviceteachersandexplorefrompedagogicperspectivehowtoconductVLC.Inaccordancewithreflectivelearningandcollaborativelearning,threeonlinelearningmoduleshavebeenjointlycreatedbyChineseandUKeducationalspecialists,andoneunitfromeachmodulehasbeenpilotedbyagroupofseniorteachers.Throughanalyzingtheprocessesofcoursedesignandpilot,supportedbyquantitativeandqualitativeresearchintotheexperiencesofpilotparticipants,thepaperidentifiessomecorefactorsinfluencingthequalityofVLCandsuggeststhatmoreattentionshouldbegiventotheinteractivelearningprocesswithinVLCratherthantocreatewell-structuredlearningmaterialsbeforehand.IthasalsoanalyzedVLCasapromisingapproachtosupportprofessionaldevelopmentofin-serviceteachersfromtheperspectiveofcontinuousimprovementprocess.ThereismuchtoberesearchedintotheapproachofVLC.

  • 标签: 计算机教学 教师素质 文化合作 交互学习