【英文标准名称】:Plasticspipingsystems.Glass-reinforcedthermosettingplastics(grp)pipes.Testmethodtoprovetheresistancetoinitialringdeflection.
【原文标准名称】:塑料管道系统.玻璃纤维增强式热固塑料管件.检验初始环挠曲的试验方法
【标准号】:NFT57-218-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-11-01
【实施或试行日期】:1996-11-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:管;增强的材料;塑料管;直径;机械试验;数学计算;玻璃纤维;定义;测定;配件;玻璃纤维增强塑料;耐力;材料强度;应变;可塑性;;管系统;热固性聚合物;玻璃纤维增强的;塑料;管道;垂直;试验;塑料管道
【英文主题词】:
【摘要】:
【中国标准分类号】:G33;P94
【国际标准分类号】:23_040_20
【页数】:10P;A4
【正文语种】:其他


【英文标准名称】:Intelligenttransportsystems-Continuousairinterface,longandmediumrange(CALM)-Infra-redsystems
【原文标准名称】:智能运输系统.远中程连续空气接口(CALM).红外系统
【标准号】:ISO21214-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC204
【标准类型】:()
【标准水平】:()
【中文主题词】:空气接口;载(波)频(率);传播技术;数据处理;数据传送;定义;红外线;红外设备;智能网络;界面;远距离通讯;协议;无线电电路;远程信息管理;传输协议;运输
【英文主题词】:
【摘要】:ThisInternationalStandarddeterminestheairinterfaceusinginfra-redsystemsat820nmto1010nm.Itprovidesprotocolsandparametersformedium-range,medium-tohigh-speedwirelesscommunicationsintheITSsectorusinginfra-redsystems.Suchlinksarerequiredforquasi-continuous,prolongedorshortcommunications?betweenvehiclesandtheroadside,?betweenvehicles,and?betweenmobileequipmentandfixedinfrastructurepoints,overmediumandlongranges.Vehiclesmaybemovingorstationary.Whereverpracticable,thisInternationalStandardhasbeendevelopedbyreferencetosuitableextantInternationalStandards,adoptedbyselection.Requiredregionalvariationsareprovided.Dueaccountisgivento,andusemadeof,anyrelevantpartsofappropriatecommunicationssystems,suchasglobalpositioningsystems(GPS),digitalaudiobroadcasting(DAB),digitalvideobroadcasting(DVB),radiolocalareanetworks(RLANs),digitaldatabroadcasting(DDB),TETRA,FMsubcarrier,mobilebroadbandsystems(MBS,W-ATM),internetprotocols,anddedicatedshortrangecommunication(DSRC).TheInternationalStandard:?supportsdataratesof1Mbit/supto128Mbit/s(itmaysupporthigherdatarates);?supportsvehiclespeedsuptoaminimumof200km/h(closingspeedscouldbedoublethisvalue);?definesorreferencesenvironmentalparametersrelevanttolinkoperation;?supportscommunicationdistancesupto100m(itmaysupportlongercommunicationdistancesof300mto1000m);?supportslatenciesandcommunicationdelaysintheorderofmilliseconds;?iscomplianttoregional/nationalregulatoryparameters;?maysupportotherregional/nationalparametersasapplicable.Application-specificrequirementsareoutsidethescopeofthisInternationalStandard.TheserequirementswillbedefinedintheCALMmanagementandupperlayerstandardsandinapplicationstandards.Application-specificupperlayersarenotincludedinthisInternationalStandard,butwillbedrivenbyapplicationstandards(whichmaynotbetechnologyspecific).
【中国标准分类号】:R85
【国际标准分类号】:03_220_01;35_240_60
【页数】:106P;A4
【正文语种】:英语