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【英文标准名称】:Environmentaltesting-Part2-64:Tests-TestFh:Vibration,broad-bandrandomandguidance
【原文标准名称】:环境试验.第2-64部分:试验.试验Fh:振动、宽带随机(数控)和指南
【标准号】:IEC60068-2-64-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:元件;定义;数字的;电器;电气工程;电学;环境试验;指导手册;材料测试;测量;机械试验;方法;乱真信号;规范;随机的;应力;测试;振动;振动试验;宽带噪音
【英文主题词】:Components;Definitions;Digital;Electricappliances;Electricalengineering;Electricity;Environmentaleffect;Environmentaltesting;Guidebooks;Materialstesting;Measurement;Measuringtechniques;Mechanicaltesting;Methods;Noise(spurioussignals);Specification;Stochastic;Stress;Testing;Vibration;Vibrationtesting;Widebandnoise
【摘要】:ThispartofIEC60068demonstratestheadequacyofspecimenstoresistdynamicloadswithoutunacceptabledegradationofitsfunctionaland/orstructuralintegritywhensubjectedtothespecifiedrandomvibrationtestrequirements.Broadbandrandomvibrationmaybeusedtoidentifyaccumulatedstresseffectsandtheresultingmechanicalweaknessanddegradationinthespecifiedperformance.Thisinformation,inconjunctionwiththerelevantspecification,maybeusedtoassesstheacceptabilityofspecimens.Thisstandardisapplicabletospecimenswhichmaybesubjectedtovibrationofastochasticnatureresultingfromtransportationoroperationalenvironments,forexampleinaircraft,spacevehiclesandlandvehicles.Itisprimarilyintendedforunpackagedspecimens,andforitemsintheirtransportationcontainerwhenthelattermaybeconsideredaspartofthespecimenitself.However,iftheitemispackaged,thentheitemitselfisreferredtoasaproductandtheitemanditspackagingtogetherarereferredtoasatestspecimen.ThisstandardmaybeusedinconjunctionwithIEC60068-2-47:2005,fortestingpackagedproducts.Ifthespecimensaresubjectedtovibrationofacombinationofrandomanddeterministicnatureresultingfromtransportationorreallifeenvironments,forexampleinaircraft,spacevehiclesandforitemsintheirtransportationcontainer,testingwithpurerandommaynotbesufficient.SeeIEC60068-3-8:2003forestimatingthedynamicvibrationenvironmentofthespecimenandbasedonthat,selectingtheappropriatetestmethod.Althoughprimarilyintendedforelectrotechnicalspecimens,thisstandardisnotrestrictedtothemandmaybeusedinotherfieldswheredesired(seeAnnexA).
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:76P;A4
【正文语种】:英语


【英文标准名称】:Consumeraudio/videoequipment-Digitalinterface-TransmissionofITU-RBT.601styledigitalvideodataB
【原文标准名称】:用户音频/视频设备.数字接口.ITU-RBT.601型数字视频数据的传输
【标准号】:BSEN61883-8-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-03-31
【实施或试行日期】:2009-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:适配器;音频设备;视听设备;盒式磁带录音机;数据压缩;数据交换;数据率;数据传送;数字的;数字信号;电气工程;电子数据交换;电子仪器;娱乐电子学;接口;接口(数据处理);电气连接件用接口;传输协议;转发器;视频设备;视频记录;录像系统
【英文主题词】:Adapters;Audioappliances;Audiovisualequipment;Cassetterecorders;Datacompression;Dataexchange;Datarates;Datatransfer;Digital;Digitalsignals;Electricalengineering;ElectronicDataInterchanges;Electronicinstruments;Entertainmentelectronics;Interfaces;Interfaces(dataprocessing);Interfacesofelectricalconnections;Transmissionprotocol;Transponders;Videoequipment;Videorecording;Videorecordingsystems
【摘要】:ThispartofIEC61883specifiesthepacketformatandthetransmissiontimingforHD-DVCRdata.ItdescribesthespecificationsfortheIEEE1394packet,theCIPheaderfor1125-60and1250-50televisionsystems,andthetransmissiontiming.
【中国标准分类号】:M64
【国际标准分类号】:33_160_40
【页数】:16P.;A4
【正文语种】:英语