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BS EN 60068-2-64-2008 环境测试.试验.试验Fh.宽带随机振动和指南

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【英文标准名称】:Environmentaltesting––Part2-64:Tests–TestFh:Vibration,broadbandrandomandguidance
【原文标准名称】:环境测试.试验.试验Fh.宽带随机振动和指南
【标准号】:BSEN60068-2-64-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-02-28
【实施或试行日期】:2009-02-28
【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】:组件;定义;数字的;电器;电气工程;电学;环境影响;环境测试;指导手册;材料测试;测量;测量技术;机械测试;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;Definition;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】:K04
【国际标准分类号】:19_040
【页数】:38P.;A4
【正文语种】:英语


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【英文标准名称】:Representationofelementsofdataininterchangesusingdataprocessingsystems-Specificationforrepresentationoflatitude,longitudeandaltitudeforgeographicalpointlocations
【原文标准名称】:通过数据处理系统进行交换的数据元表示法规范.第3部分:地理观测点经度、纬度和高度表示方法
【标准号】:BS5249-3-1983
【标准状态】:作废
【国别】:英国
【发布日期】:1983-12-30
【实施或试行日期】:1983-12-30
【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】:地理学;高度;信息交流;数据处理;数据代码;数据布置;代码表示;坐标系(地理);数据表示
【英文主题词】:Coordinates(geography);Dataprocessing;Datarepresentation;Informationexchange;Informationinterchange
【摘要】:Givesavariablelengthformatandrepresentationforuniqueidentificationofpointson,above,orbelowtheearth'ssurfacebylatitude,longitudeand(optionally)altitude.
【中国标准分类号】:L72
【国际标准分类号】:35_040
【页数】:4P;A4
【正文语种】:英语