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  • 简介:微软从来都善于革命。在PC时代,微软用Windows统治了世界,而在互联网时代,微软全力投向IE浏览器的开发,更让网景最快的成为了一个历史名词。未来,电信和IT将真正融合,对应用的垄断,将是微软的第三次革命……

  • 标签: 操作系统 WINDOWS MOBILE 微软公司
  • 简介:Mobileplatformisnowwidelyseenasapromisingmultimediaservicewithafavorableusergroupandmarketprospect.Tostudytheinfluenceofmobileterminalmodelsonthequalityofsceneroaming,aparametersettingplatformofmobileterminalmodelsisestablishedtoselecttheparameterselectionandperformanceindexondifferentmobileplatformsinthispaper.Thistestplatformisestablishedbasedonmodeloptimalityprinciple,analyzingtheperformancecurveofmobileterminalsindifferentscenemodelsandthendeducingtheexternalparameterofmodelestablishment.Simulationresultsprovethattheestablishedtestplatformisabletoanalyzetheparameterandperformancematchinglistofamobileterminalmodel.

  • 标签: 移动终端 基于模型 性能分析 参数选择 移动平台 测试平台
  • 简介:Thisarticlepresentsagoodrobustandreal-timesystemschemeofthemobilerobotobstacledetectionandnavigation,whichprincipleofworkisbasedonthefeaturedescriptorSURF.Inthisscheme,firstly,theimageinformationofthemobilerobotpathwascapturedbythebinocularcamera;thenthefeaturepointswereextractedandcorrespondingmatchedusingSURFtothebinocularimagesastheundetectedobstacles;finallyfixedthepositionoftheobjectivebytheparallaxbetweenthematchingpointscombiningwiththebinocularvisioncalibrationmodel.Theoreticalderivationandexperimentalresultsshowthatthisschemeismoreaccurateforthedetectionandnavigationoftheinterestpoints.Ithasfastmatchingspeedandhighaccuracyandlowerror.So,ithascertainpracticaleffectandpopularizingvalueforthemobilerobotreal-timeobstacleavoidanceandnavigation.

  • 标签: 移动机器人 视觉导航 特征描述 实时避障 鲁棒性 障碍检测
  • 简介:Thebuildinginformationmodel/modeling(BIM)technologyiscurrentlyappliedinabroadrangeofapplicationsandresearchforfacilitymanagement,whiletheBIM-basedmobileFMisdifficultowingtovariousfactorsandenvironments.Forexample,themobileapplicationsusuallyrequirefrequentcross-equipmentcompatibility.ThispaperproposesareasonableBIM-basedFMcross-platformframeworkanddevelopsamobileapplicationonthebasisofanexistingBIM-basedFMsystem.ThedevelopedmobileapplicationisappliedinacasestudyofametrostationprojectinGuangzhoutoverifyitseffectivenessinFMpractice.IthelpsmaintenancestaffinviewingBIMs,accessingrelatedinformation,andupdatingmaintenancerecordsinauniqueplatform.ThetestresultsdemonstratethattheproposedBIM-basedcross-platformframeworkmeettheFMapplicationrequirementsandsupportstheextensionofFMfunctions.

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