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BS EN 50083-8-2002+A11-2008 电视信号,声音信号和交互服务的电缆网络.第8部分:网络的电磁兼容性

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【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices—Part8:Electromagneticcompatibilityfornetworks
【原文标准名称】:电视信号,声音信号和交互服务的电缆网络.第8部分:网络的电磁兼容性
【标准号】:BSEN50083-8-2002+A11-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-26
【实施或试行日期】:2002-07-26
【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】:音频信号;电缆配线箱;电缆分布系统;电缆网络;定义;耐久性;定义(术语);电磁兼容性;电磁兼容性;EMC;电磁兼容性(EMC);测量技术;多媒体;射电干扰;无线电干扰;规范(验收);电视技术;电视信号
【英文主题词】:Audiosignals;Cabledistributioncubicles;Cabledistributionsystems;Cablednetworks;Definitions;Electromagneticcompatibility;EMC;Measuringtechniques;Multimedia;Radiointerferences;Specification(approval);Televisiontechnology;Visionsignals
【摘要】:1.1GeneralStandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallations-forheadend-reception,processinganddistributionofsoundandtelevisionsignalsandtheirassociateddatasignalsand-ofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.Allkindsofnetworkslike-CATV-networks-MATV-andSMATV-networks-individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscopeTheextentofthisstandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforisexcluded.1.2Specificscopeofthispart8Thisstandardappliestotheradiationcharacteristicsandimmunitytoelectromagneticdisturbanceofcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesandcoversthefrequencyrange0,15MHzto3,0GHz.ThisstandardspecifiesEMCperformancerequirementsandlaysdownthemethodsofmeasurement.Cablenetworksbeyondthesystemoutlets(e.g.thereceiverlead,insimplestterms)whichbeginatthesystemoutletandendatthesubscriber'sterminalequipmentshallcomplywiththeserecommendationsprovidedthatnootherspecificprovisionsapply.RequirementsfortheelectromagneticcompatibilityofreceiverleadsarelaiddowninEN6096624,EN6096625andEN6096626.Tominimisetheriskofinterferencetootherradioservicescausedbypossibleradiationfromacablenetworkandtolimitthepossiblepenetrationofexternalsignalswhichmayinterferewiththeoperationofanetwork,itisnecessarynotonlytouseequipmentwhichsatisfiestherequirementsofEN50083-2regardinglimitsofradiationandofimmunitytoexternalfieldsbutalsotoensuretheintegrityofallcableconnectionsoneachitemofactiveorpassivecablenetworkequipment.Cablenetworksemployingcoaxialcablescanbeasourceofinterferencetoawiderangeofservicesthatutilisetheradiofrequencyspectrum.Theseincludenotonlytheemergencyservices,safetyoflife,broadcasting,aeronauticalandradionavigationservicesbutalsolandmobile,amateurandcellularradioservices.Asexistingandplannedradioservicesneedtobeprotected,radiationlimitsspecifiedforcablenetworksshouldcompliedwith.Additionalprotectionforcertainservicesmayberequiredbynationalregulations.
【中国标准分类号】:M61
【国际标准分类号】:33_060_40;33_100_01
【页数】:30P.;A4
【正文语种】:英语


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【英文标准名称】:Hexagonheadscrews-ProductgradeC(ISO4018:2011);GermanversionENISO4018:2011
【原文标准名称】:六角头螺钉.产品等级C级(ISO4018-2011).德文版本ENISO4018-2011
【标准号】:ENISO4018-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-07
【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】:螺栓;名称与符号;尺寸公差;尺寸规格;外螺纹;紧固件;无头紧固件;六角头螺钉;六角头螺栓;六角头紧固件;ISO米制螺纹;材料;机械连接;米制螺纹;产品等级;性能;螺钉(螺栓);柄;规格;钢;强度等级;材料强度;螺纹;公差(测量);对边宽度
【英文主题词】:Bolts;Designations;Dimensionaltolerances;Dimensions;Externalthreads;Fasteners;Headlessfasteners;Hexagonheadscrews;Hexagonalheadbolts;Hexagonal-headfasteners;ISOmetricthreads;Materials;Mechanicallinkages;Metricscrewthreads;Productgrades;Properties;Screws(bolts);Shanks;Specifications;Steels;Strengthclass;Strengthofmaterials;Threads;Tolerances(measurement);Widthacrossflats
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:17P.;A4
【正文语种】:英语


基本信息
标准名称:高纯石墨制品中硅和铁的光谱测定 粉末法
英文名称:Determination of silicon and iron in graphite products of high purity by spectroscopical method—The powder method
中标分类: 建材 >> 炭素材料 >> 炭素材料综合
ICS分类: 纺织和皮革技术 >> 复合增强材料 >> 复合增强材料综合
替代情况:原标准号GB 6715-86;被YB/T 5159-2007代替
发布日期:1993-12-08
实施日期:1994-01-01
首发日期:
作废日期:2007-07-01
出版社:冶金工业出版社
出版日期:1994-01-01
页数:3页
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所属分类: 建材 炭素材料 炭素材料综合 纺织和皮革技术 复合增强材料 复合增强材料综合