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【英文标准名称】:Classificationandinformationondesignofplasticspipingsystemsusedforrenovation(ISO11295:2010);GermanversionENISO11295:2010
【原文标准名称】:改装用塑料管道系统的设计信息和分类(ISO11295-2010).德文版本ENISO11295-2010
【标准号】:ENISO11295-2010
【标准状态】:现行
【国别】:
【发布日期】:2010-08
【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】:建筑工地;分类;定义;送水管(消防);降低压力的;配件;指导手册;液压装置;管道;管;管系统;计划;塑料管道;塑料管;塑料;改建;翻新工程;翻新;维修;检修;静力学
【英文主题词】:Buildingsites;Classification;Definitions;Deliverypipes(firefighting);Depressurized;Fittings;Guidebooks;Hydraulics;Pipelines;Pipes;Pipingsystem;Planning;Plasticpipelines;Plasticpipes;Plastics;Redevelopments;Refurbishment;Renovation;Repair;Statics
【摘要】:
【中国标准分类号】:J15;G33
【国际标准分类号】:23_040_01
【页数】:35P;A4
【正文语种】:英语


【英文标准名称】:Digitalradiomondiale(DRM)-Part2:Digitalradiointhebandsbelow30MHz-MethodsofmeasurementforDRMtransmitters
【原文标准名称】:全球数字无线广播(DRM).第2部分:波段小于30MHz的无线广播.DRM发射机的测量方法
【标准号】:IEC62272-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC103
【标准类型】:()
【标准水平】:()
【中文主题词】:频带;广播工程;广播;特征;传播学;传播技术;定义;数字的;数字广播;数字连接;数字数据;数字工程;数字无线链路;电气工程;频率;频率范围;测量;功率输出;无线电工程;无线电装置;无线电发射机;无线电通信;额定输出功率;声音广播发射;规范;规范(验收);电信;电信传输法;传输性能;传输特性
【英文主题词】:Bandoffrequencies;Broadcastengineering;Broadcasting;Characteristics;Communication;Communicationtechnology;Definitions;Digital;Digitalbroadcasting;Digitalconnections;Digitaldata;Digitalengineering;Digitalradiolinks;Electricalengineering;Englishlanguage;Frequencies;Frequencyranges;Measurement;Measuringtechniques;Poweroutput;Radioengineering;Radiosystems;Radiotransmitters;Radiocommunication;Ratedoutputpower;Sound-broadcastingemissions;Specification;Specification(approval);Telecommunication;Telecommunicationtransmissionmethods;Telecommunications;Transmissionperformance
【摘要】:ThispartofIEC62272describesthemethodsofmeasurementtoassesstheperformancecharacteristicsofdigitalmodulatedradiotransmittersinthebandsbelow30MHzforsoundand/ordatabroadcastingintheLF,MFandHFbands,andtofacilitatethecomparisonofmeasurementswhicharecarriedoutbydifferentpersonnel.Itcontainsdetailsofspeciallyselectedmethodsfordeterminingthemostimportantperformanceparametersofdigitalradiotransmitters.Themeasurementmethodsdescribedapplytoalimitednumberofperformanceparameters,i.e.thosewhichcangiverisetoambiguousinterpretationduetotheuseofdifferentmethodsandconditions.Theyareneitherrestrictivenormandatory:measurementscanbechosenforeachparticularcase.Themeasurementmethodsdescribedinthisstandardareintendedtobeusedfortypeapprovaltests,qualitycontroltestsoracceptancetestmeasurementsinfactoriesandonsite.Feweroradditionalmeasurementsmaybecarriedoutbyagreementbetweencustomerandsupplier.Anyadditionaltestshouldcomplywithstandardswhichhavebeenestablishedbyotherstudygroups,subcommitteesoftheIECorotherinternationalorsuitablyaccreditedorganizations.Thisstandarddoesnotspecifylimitingvaluesforacceptableperformanceastheseareusuallygivenintheequipmentspecificationorinrequirementslaiddownbytheresponsibleregulationbodies.However,somevaluesarequoted,whereappropriate,forguidanceinthepresentationoftheresults.
【中国标准分类号】:M74
【国际标准分类号】:33_060_20;33_170
【页数】:20P.;A4
【正文语种】:英语