ANSI/SCTE 119-2011 噪声功率比测量程序
时间:2024-05-09 07:50:54 来源: 标准资料网 作者：标准资料网 阅读：9332
【英文标准名称】:MeasurementProcedureforNoisePowerRatio
【原文标准名称】:噪声功率比测量程序
【标准号】:ANSI/SCTE119-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Analyzers;Cables;Connectors;Filters;Frequencies;Measurement;Spectrumanalyzers;Telecommunications
【摘要】:ThisproceduredefinesamethodofmeasurementforNoisePowerRatio(NPR)ofactiveCableTelecommunicationsequipment.Itisintendedformeasurementof75-ohmdeviceshavingtypeFor5/8-24KSconnectors.SeetheCableTelecommunicationsTestingGuidelinesdocument,SCTE962003(formerlyIPSTP200),foradiscussionofpropertestingtechniques.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;33_050_01
【页数】:
【正文语种】:英语
【英文标准名称】:TestingofbalancedcommunicationcablinginaccordancewithstandardsseriesEN50173-Part1:Installedcabling
【原文标准名称】:符合EN50173标准系列的对称通信布线的测试.第1部分:已安装电缆
【标准号】:BSEN61935-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-02-07
【实施或试行日期】:2006-02-07
【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】:电缆敷设;电缆;布线;通信电缆;插接件连接;定义;设计;电气工程;电气测试;环境条件;环境测试;现场测试;总规范;安装;耐力;规范;规范(验收);试验设备;测试;传输特征
【英文主题词】:Cablelaying;Cables;Cabling;Communicationcables;Connectoredjoints;Definition;Definitions;Design;Electricalengineering;Electricaltesting;Environmentalcondition;Environmentaltesting;Fieldtesting;Genericspecification;Installations;Resistance;Specification;Specification(approval);Testequipment;Testing;Transmissioncharacteristics
【摘要】:?ThispartofEN61935specifiesreferencemeasurementproceduresforcablingparametersandtherequirementsforfieldtesteraccuracytomeasurecablingparametersidentifiedinEN50173.?ThisstandardapplieswhenthecableassembliesareconstructedofcablescomplyingwithIEC61156-1,IEC61156-2,IEC61156-3IEC61156-4,IEC61156-5orIEC61156-6,andconnectinghardwareasspecifiedinIEC60603-7orIEC61076-3-104.Inthecasewherecablesand/orconnectorsdonotcomplywiththesestandardsthenadditionaltestsmayberequired.Thisstandardisorganizedasfollows:?referencelaboratorymeasurementproceduresarespecifiedinClause4.Insomecases,theseproceduresmaybeusedinthefield;?descriptionsandrequirementsformeasurementsinthefieldarespecifiedinClause5;?performancerequirementsforfieldtestersandprocedurestoverifyperformancearespecifiedinClause6.NOTE1Thisstandarddoesnotincludeteststhatarenormallyperformedonthecablesandconnectorsseparately.ThesetestsaredescribedinIEC61156-1andIEC60603-7orIEC61076-3-104respectively.NOTE2Whereverpossible,cablesandconnectorsusedincableassemblies,eveniftheyarenotdescribedinIEC61156orIEC60603-7/IEC61076-3-104shallbetestedseparatelyaccordingtothetestsgivenintherelevantgenericspecification.Inthiscase,mostoftheenvironmentalandmechanicaltestsdescribedinthisstandardmaybeomitted.NOTE3Usersofthisstandardareadvisedtoconsultwithapplicationsstandards,equipmentmanufacturersandsystemintegratorstodeterminethesuitabilityoftheserequirementsforspecificnetworkingapplicationsThisstandardrelatestoperformancewithrespectto100Ωcabling.For120Ωor150Ωcabling,thesameprinciplesapplybutthemeasurementsystemshouldcorrespondtothenominalimpedancelevel.
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:78P.;A4
【正文语种】:英语
【英文标准名称】:Liquidpetroleumproducts-Vapourpressure-Part1:Determinationofairsaturatedvapourpressure(ASVP)andcalculateddryvapourpressureequivalent(DVPE);EnglishversionofDINEN13016-1:2007-11
【原文标准名称】:液化石油产品.蒸气压力.第1部分:气体饱和蒸气压(ASVP)的测定和计算的干蒸气压当量值(DVPE)
【标准号】:EN13016-1-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【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】:定义;测定;液体燃料;材料测试;测量;测量技术;石油产品;压力测量(流体);抽样方法;试样制备;测试;真空的;蒸气压力
【英文主题词】:Definition;Definitions;Determination;Liquidfuels;Materialstesting;Measurement;Measuringtechniques;Petroleumproducts;Pressuremeasurement(fluids);Samplingmethods;Specimenpreparation;Testing;Vacuum;Vapourpressure
【摘要】:
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:17P.;A4
【正文语种】:英语