GY/T 135-1998 有线电视系统物理发泡聚乙烯绝缘同轴电缆入网技术条件和测量方法
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基本信息
标准名称: | 有线电视系统物理发泡聚乙烯绝缘同轴电缆入网技术条件和测量方法 |
英文名称: | Specifications and methods of measurement on coaxial cable with physically-foamed polyethylene insulation used in CATV systems |
中标分类: |
电工 >>
电工材料和通用零件 >>
电缆及其附件 |
发布部门: | 国家广播电影电视总局 |
发布日期: | 1998-12-30 |
实施日期: | 1999-04-01 |
首发日期: | |
作废日期: | |
提出单位: | 原广播电影电视部 |
归口单位: | 全国广播电视标准化技术委员会 |
出版社: | 国家广播电影电视总局标准化规划研究所 |
出版日期: | 1999-04-01 |
页数: | 11页 |
适用范围
本标准规定了SYWV-75-5、SYWV-75-7、SYWV-75-9、SYWY-75-7、SYWY-75-9、SYWLY-75-9、SYWLY-75-12和SYWLY-75-13型有线电视系统用物理发泡聚乙烯绝缘同轴电缆的技术要求、试验方法等。
本标准适用于有线电视系统用干线、分支线和用户线及其它电子装置用物理发泡聚乙烯绝缘同轴电缆及其入网检测。
前言
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引用标准
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所属分类: 电工 电工材料和通用零件 电缆及其附件
【英文标准名称】:Railwayapplications-Track-Switchesandcrossings-Part6:Fixedcommonandobtusecrossings;GermanversionEN13232-6:2005+A1:2011
【原文标准名称】:铁路应用.轨道.道岔.第6部分:固定常见钝道岔.德文版EN13232-6-2005+A1-2011
【标准号】:DINEN13232-6-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptance(approval);Acceptanceinspection;Acceptancespecification;Crossings;Definitions;Design;Efficiency;Geometry;Levelcrossings;Performance;Permanentways;Pointwork;Railwayapplications;Railwayconstruction;Railwayinstallations;Railways;Specification(approval);Supplyschedule;Testing;Tolerances(measurement);Tracks(materialshandlingequipment);Travelways;Turnouts
【摘要】:
【中国标准分类号】:S12
【国际标准分类号】:93_100
【页数】:32P;A4
【正文语种】:德语
【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-ImageProcessingandInterchange(IPI)-Functionalspecification-Part3:ImageInterchangeFacility(IIF)
【原文标准名称】:信息技术计算机图形和图像处理图像处理与交换(IPI)功能规范第3部分:图像交换设施(IIF)
【标准号】:ISO/IEC12087-3-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:通信规程;图象描述信息;图像处理;计算机制图;数字;功能描述;信息交换;交换;信息技术;数据处理
【英文主题词】:Communicationprocedures;Computergraphics;Dataprocessing;Exchange;Figures;Functionaldescriptions;Imageprocessing;Informationinterchange;Informationtechnology;Picturedescriptioninformation
【摘要】:ThispartofISO/IEC12087facilitatestheinterchangeofdigitalimages.Forthispurpose,conceptual,architectural,andfunctionaldefinitionsoftheImageInterchangeFacility(IPI-IIF)areestablished.ISO/IEC12087-3consistsoftwomajorparts,the:a)IIFdataformat(IIF-DF)definition(bymeansofaformalsyntax,describedaccordingtotheAbstractSyntaxNotationOne(ASN.1)--refertoclause5),andtheb)IIFGatewaydefinition(bymeansofamanualpagedescriptionofthefunctionalityofanApplicationProgramInterface(API)--refertoclause7).AnIPI-IIF-conformantimplementationhastofulfillthefunctionalityspecificationoftheIIFGateway,asoutlinedinclause7.BesidestheIIFGateway,theremaybeinformationprocessingsystems(softwaresuchasparsers,generators,etc.)whichreadand/orwritetheIIF-DF.TheIPI-IIFisbasedonthedefinitionsdescribedinISO/IEC12087-1,the"CommonArchitectureforImaging".TheIPI-IIF,asawhole,maybecharacterizedbrieflyasfollows:c)BymeansoftheIIFdataformatandGateway,imagedataobjectsandimage-relateddataobjectsaretransportedtoandfromapplicationenvironments.d)BymeansofthefullPIKSprofileoftheIPI-IIFdataformat(i.e.,aformatfordatainterchangebetweenIPI-IIFandIPI-PIKS),imagedataobjectsandimage-relateddataobjectsareimportedtoandexportedfromtheProgrammer'sImagingKernelSystem(IPI-PIKS),definedinISO/IEC12087-2.e)TheIPI-IIFfacilitatesthestorageofimagedataobjectsandimage-relateddataobjectsinavarietyofpre-definedstoragemodalities,includingdifferentperiodicityorganizations,suchaspixel-interleavingorband-interleaving.f)ThispartofISO/IEC12087definessyntaxofimagedata(andimage-relateddata)streams.TheencodingofIIFdatatypesisdefinedinISO/IEC12089.Seealso5.3.3.g)TheIPI-IIFsupportsaconceptofstandardizedconformanceprofiles.Initially,threeconformanceprofilesaredefinedwithinISO/IEC12087.h)AnIIFdatastreammaybestoredindevicessuchasfilesystems.AnIIFdatastreammaybeinterchangedandcommunicatedindatanetworks(e.g.,LANsandWANs)orinotherdatacommunicationfacilities.Alllow-leveldatastorageandtransferisdelegated,forinstance,totheoperatingsystemofthetargethardware.i)TheIIFGatewayperformscompressionanddecompressionofimagedataobjectsusingstandardizedcompressionanddecompressiontechniques.ThesetechniquesarereferencedinthispartofISO/IEC12087.See1.4.5and5.3.3and7.5forfurtherdefinition.j)TheIIFGatewayisaccessibleviaanAPItoperformimageinterchangefunctions.Seeclause7foradefinitionofIIFGatewayfunctionality.ReferenceshallbemadetothispartofISO/IEC12087,anditsdefinitionsshallbeemployed,wheneverimagesareinterchanged,accordingtotheIPI-IIF,amongdifferentimagingapplicationsenvironmentsoramongimagingdevices.TheIPI-IIFisapplicabletoscenariosrequiringtheinterchangeofdigitalimages,asoutlinedinAnnexC.TheuseoftheIIFdataformatasasupersetofthefunctionalityofmostoftheexistingimageinterchangeformatssolvestheproblemofapplication-independentsyntacticalandsemanticalinterpretationandunderstandingofimagedata.TheIPI-IIFisapplicabletoimageinterchangeinandamongdifferentapplicationdomains.Thefollowingapplicationareashavebeenconsidered:-Medicalimaging-Remotesensing-Publishing-Industrialvision-Computergraphicsarts-Computeranimation-Scientificvisualization-Missionplanning-Documentprocessing-OutdoorscenesurveillanceThelimitingoftheIPI-IIFscopetocertainapplicationdomainsisamatterofprofiling.Thisistreatedinclause6.NOTE-Whetheranimageinterchangeformatmayalsoberegardedasadeviceformat,dependsonthe(local)processingpowerofthedeviceitself.Thusaconceptually"high-l
【中国标准分类号】:L81
【国际标准分类号】:35_140
【页数】:243P.;A4
【正文语种】:英语