EN 13481-5-2012 铁路应用设施.铁轨.紧固设备的性能要求.第5部分:平板轨道的紧固设备.德文版本EN13481-5-2012
作者:标准资料网 时间:2024-05-19 22:51:33 浏览:8646
来源:标准资料网
【英文标准名称】:Railwayapplications-Track-Performancerequirementsforfasteningsystems-Part5:Fasteningsystemsforslabtrackwithrailonthesurfaceorrailembeddedinachannel;GermanversionEN13481-5:2012
【原文标准名称】:铁路应用设施.铁轨.紧固设备的性能要求.第5部分:平板轨道的紧固设备.德文版本EN13481-5-2012
【标准号】:EN13481-5-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:沥青砖;车行道(公路);混凝土板;阻尼(波);效率;紧固件;固定件;性能;永存性铁路;道岔转换;检验荷载;轨道紧固设备;铁路应用设施;铁路建造;铁路设备;铁路;轨枕;规范(验收);钢轨枕;轨道(物料装卸设备);旅行线路;道岔;型式批准;振动;丁字形铁轨
【英文主题词】:Asphalttiles;Carriageways;Concreteslabs;Damping;Efficiency;Fasteners;Fixings;Performance;Permanentways;Pointwork;Proofloading;Railfasteningsystems;Railwayapplications;Railwayconstruction;Railwayinstallations;Railways;Sleepers;Specification(approval);Steelsleepers;Tracks(materialshandlingequipment);Travelways;Turnouts;Typeapprovals;Vibrations;Vignolrail
【摘要】:
【中国标准分类号】:S11
【国际标准分类号】:93_100
【页数】:19P;A4
【正文语种】:英语
【英文标准名称】:Commoninterfacespecificationforconditionalaccessandotherdigitalvideobroadcastingdecoderapplications
【原文标准名称】:条件存取和其它数字视频广播译码器用通用接口规范
【标准号】:BSEN50221-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:传送层;广播;界面;开放系统互连;对话层;应用层(开放系统互连);物理层(开放系统互连);数据链路层;电视接收机;数字信号;译码;目标(数据处理);视频信号;编码(数据转换)
【英文主题词】:
【摘要】:Asetofstandardshasbeendesignedtobeusedindigitalvideobroadcasting.Thesestandardsincludesourcecoding,channelcoding,serviceinformationanddecoderinterfaces.Inaddition,aconditionalaccesssystemisusedwhenthereisaneedtocontrolaccesstoabroadcastservice.Ithasbeendecidedthattheconditionalaccesssystemneednotbestandardised,althoughacommonscramblingalgorithmisprovided.Itremainsforbroadcasterstoaccessdecoderswithdifferentconditionalaccesssystemsandtoensurethattheyhavechoiceofsupplyofsuchsystems.Asolutionistousethecommonscramblingalgorithmandtoexecutesolutionsforaccessbasedoncommercialagreementsbetweenoperators.ThissolutioncanoperatewithsingleCAsystemsembeddedindecoders.AsecondsolutionisbasedonastandardisedinterfacebetweenamoduleandahostwhereCAandmoregen-erallydefinedproprietaryfunctionsmaybeimplementedinthemodule.Thissolutionalsoallowsbroadcasterstousemodulescontainingsolutionsfromdifferentsuppliersinthesamebroadcastsystem,thusincreasingtheirchoiceandanti-piracyoptions.Thescopeofthisdocumentistodescribethiscommoninterface.Thedecoder,referredtointhisspecificationasthehost,includesthosefunctionsthatarenecessarytoreceiveMPEG-2video,audioanddataintheclear.ThisspecificationdefinestheinterlacebetweenthehostandthescramblingandCAapplications,whichwilloperateonanexternalmodule.Twologicalinterfaces,tobeincludedonthesamephysicalinterface,aredefinedThefirstinterfaceistheMPEG-2TransportStream.ThelinkandphysicallayersaredefinedinthisspecificationandthehigherlayersaredefinedintheMPEG-2specifications.Thesecondinterface,thecommandinterface,carriescommandsbetweenthehostandthemodule.Sixlayersaredefinedforthisinterface.Anexampleofasinglemoduleinconnectionwithahostisshowninfigure1.Thisspecificationonlydefinesthoseaspectsofthehostthatarerequiredtocompletelyspecifytheinteractionsacrosstheinterface.Thespecificationassumesnothingaboutthehostdesignexcepttodefineasetofserviceswhicharerequiredofthehostinordertoallowthemoduletooperate.Thespecificationdoesnotdefinetheoperationorfunctionalityofaconditionalaccesssystemapplicationonthemodule.Theapplicationswhichmaybeperformedbyamodulecommunicatingacrosstheinterfacearenotlimitedtoconditionalaccessortothosedescribedinthisspecification.Morethanonemodulemaybesup-portedconcurrently.
【中国标准分类号】:L70
【国际标准分类号】:33_170
【页数】:92P;A4
【正文语种】:英语
基本信息
标准名称: | 1~8级精度用钢制双头光面塞规D>3~6mm |
中标分类: |
航空、航天 >>
航空器与航天器制造用设备 >>
量具 |
替代情况: | 被HB 3445-3460-1984 |
发布日期: | 1974-12-20 |
实施日期: | 1975-11-01 |
首发日期: | |
作废日期: | 1985-01-01 |
出版日期: | |
页数: | 1页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 航空 航天 航空器与航天器制造用设备 量具