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1、中文3630字毕业设计外文翻译2014届信息科学与工程学院通信工程专业题目：子题：外文文献Videosurveillancesystemissafeguardsystemisanimportantpartofapreventiveabilitystrongcomprehensivesystem.Videomonitoringwithitsconvenient,intuitiveandinformationcontentrichandwidelyusedinmanyoccasions.Inrecentyears,withthedevelopm
2、entofmodernscienceandtechnology,inparticularnetworkbandwidth,computerprocessingpowerandstoragecapacityrapidlyincreaseandvariouspracticalvideoinformationprocessingtechnology,videosurveillancetechnologyalsoappearedaconsiderabledevelopment,videomonitoringenteredthedigitalnetw
3、orkage,increasinglyattentionbypeopleandattention.Thedevelopmentofvideosurveillancesystemismainlyearlyanalogclosed-circuittelevisionmonitoringsystemcombinedtovideomonitoringsystemmodelofdigitalvideomonitorandnowtheevolutionprocess,andthesystemofdigitalvideomonitorsystemnowa
4、ccordingtothetechnicaldevelopmentanddividedintothreestages:digitalmonitormultimediastage,digitalmonitorDVRstageanddigitalmonitornetworkstage.1,videomonitoringsystemsimulationssimulatevideomonitoringsystemisdividedintomicroprocessor-basedvideoswitchcontrolplusPCmultimediama
5、nagementandpc-basedrealizetheswitchcontrolofmatrixhostandsystemmultimediamanagementtwotypes.Analogclosed-circuittelevisionmonitoringsystemisactuallythecombinationofmanysimulationmonitoringequipment,systemmainlyconsistsof"front-enddevice"and"terminalcontroldevice"and"signal
6、transmissionmedium"threeparts,including:front-endequipmentismainlyacamera,haeundae,decoder,controlequipmentismainlyaswitchingmatrix,imagesegmentationdevice,monitorandcontrolthekeyboard,video,etc.Transmissionmediumincludingcable,control,etc.Asmicroprocessors,thefunction,per
7、formanceofmicrocomputersandheighten,multimediatechnologyapplication,thesysteminfunctionality,performance,reliability,structurepattern,etc,greatchangeshavehappenedtothevideomonitoringsystem,moreconvenient,thecompositionoftheinterfacewithothertechnicalsystemtendstoregulate,m
8、an-machineinterfacemorefriendly.Butbecausevideomonitorandcontrolsystemintheflowofinformat
