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BS EN 60728-3-2006 电视信号、声音信号和交互式设备用电缆网络.第3部分:同轴电缆网的有源带宽设备

作者:标准资料网 时间:2024-05-10 20:46:32  浏览:8929   来源:标准资料网
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【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part3:Activewidebandequipmentforcoaxialcablenetworks
【原文标准名称】:电视信号、声音信号和交互式设备用电缆网络.第3部分:同轴电缆网的有源带宽设备
【标准号】:BSEN60728-3-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2002-07-03
【实施或试行日期】:2002-07-03
【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】:放大器;音频信号;宽带网络;宽带系统;电缆分布系统;电缆系统;电缆电视;电缆电视网络;电缆网络;公共天线电视;同轴电缆;组件;数据记录;定义;电气工程;全波电路;测量技术;计量学;标准化组件;性能;单独连接件;声音广播;规范;规范(验收);电视广播;宽带放大器
【英文主题词】:Amplifiers;Audiosignals;Broadbandnetwork;Broadbandsystems;Cabledistributionsystems;Cablesystems;Cabletelevision;Cabletelevisionsystem;Cablednetworks;Central-antennatelevision;Coaxialcables;Components;Datarecording;Definition;Definitions;Electricalengineering;Full-wavecircuitry;Measuringtechniques;Metrology;Modularunits;Performance;Single-wayconnections;Soundbroadcasting;Specification;Specification(approval);Televisionbroadcasting;Widebandamplifiers
【摘要】:GeneralStandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallationsforheadendreception,processinganddistributionoftelevisionandsoundsignalsandtheirassociateddatasignalsandforprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.AllkindsofnetworkslikeCATV-networks,MATV-networksandSMATV-networks,Individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscope.Theextentofthisstandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforisexcluded.Specificscopeofthispart3Thisstandardappliestoallbroadbandamplifiersusedincablenetworks;coversthefrequencyrange5MHzto3000MHz;appliestoone-wayandtwo-wayequipment;laysdownthebasicmethodsofmeasurementoftheoperationalcharacteristicsoftheactiveequipmentinordertoassesstheperformanceofthisequipment;identifiestheperformancespecificationsthatshallbepublishedbythemanufacturers;statestheminimumperformancerequirementsofcertainparameters.Amplifiersaredividedintothefollowingtwoqualitylevels:Grade1:Amplifierstypicallyintendedtobecascaded.Grade2:Amplifiersforusetypicallywithinanapartmentblock,orwithinasingleresidence,tofeedafewoutlets.Practicalexperiencehasshownthesetypesmeetmostofthetechnicalrequirementsnecessaryforsupplyingaminimumsignalqualitytothesubscribers.Thisclassificationshallnotbeconsideredasarequirementbutastheinformationforusersandmanufacturersontheminimumqualitycriteriaofthematerialrequiredtoinstallnetworksofdifferentsizes.Thesystemoperatorhastoselectappropriatematerialtomeettheminimumsignalqualityatthesubscriber′soutlet,andtooptimisecost/performance,takingintoaccountthesizeofthenetworkandlocalcircumstances.Allrequirementsandpublisheddataareunderstoodasguaranteedvalueswithinthespecifiedfrequencyrangeandinwellmatchedconditions.
【中国标准分类号】:M62
【国际标准分类号】:33_060_40
【页数】:56P.;A4
【正文语种】:英语


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【英文标准名称】:Inhalationalanaesthesiasystems-Part3:Transferandreceivingsystemsofactiveanaestheticgasscavengingsystems
【原文标准名称】:吸入式麻醉剂系统.第3部分:活性麻醉气体清除系统的传输和容纳系统
【标准号】:ISO8835-3-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-08
【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/TC121
【标准类型】:()
【标准水平】:()
【中文主题词】:麻醉学;麻醉器具;麻醉设备;色码;制造日期;定义;电气设备;电气安全;气体分配;危害;卫生和安全要求;医院;识别方法;吸入;铭刻;作标记;医疗设备;医用气体;医疗人员;医学科学;医疗技术学;职业安全;病患者保护;污染控制;保护(装置);辐射防护;安全;安全要求;规范(验收);监督(认可);测试;工作场所安全
【英文主题词】:Anaesthesiology;Anaestheticapparatus;Anaestheticequipment;Breathingequipment;Colourcodes;Connectingpieces;Dataofthemanufacturer;Definitions;Electricalequipment;Electricalsafety;Gasdistribution;Gasflow;Hazards;Healthandsafetyrequirements;Hospitals;Identificationmethods;Informationsuppliedbythemanufacturer;Inhalation;Inscription;Marking;Medicaldevices;Medicalequipment;Medicalgases;Medicalpersonnel;Medicalproducts;Medicalsciences;Medicaltechnology;Occupationalsafety;Patientprotection;Pollutioncontrol;Protection;Radiationprotection;Safety;Safetyrequirements;Scavengingsystem;Specification(approval);Surveillance(approval);Testing;Workplacesafety
【摘要】:ThispartofISO8835specifiesrequirementsfortransferandreceivingsystemsofactiveanaestheticgasscavengingsystems(AGSS)intendedtoreducetheexposureofhospitalpersonneltoanaestheticgasesandvapours.ItdoesnotapplytononactiveAGSS(passiveAGSS)ortoproximitygasextractionsystems.ThispartofISO8835alsospecifiesrequirementsforAGSSinwhichthereceivingsystemisintegratedwiththedisposalsystem.ThispartofISO8835doesnotspecifyrequirementsfor:a)discretedisposalsystems;b)permanentdisposalsysteminstallations.ThispartofISO8835doesnotspecifyconnectorsforpurposessuchastheconnectionoftheexhaustoutletofgasmonitorstotheAGSS;aspecificationforsuchconnectorsisunderconsideration.
【中国标准分类号】:C46
【国际标准分类号】:11_040_10
【页数】:23P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part4:Conformancetesting-Amendment19:Audiolosslesscoding(ALS)
【原文标准名称】:信息技术.视听对象的编码.第4部分:合格测试.修改件19:音频损失编码(ALS)
【标准号】:ISO/IEC14496-4AMD19-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【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/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;代码表示;编码(数据转换);计算机制图;合格测试;数据处理;编码;(数据)格式;图像处理;信息交换;信息技术;多媒体;对象;视频信号
【英文主题词】:Acousticsignals;Codedrepresentation;Coding(dataconversion);Computergraphics;Conformitytesting;Dataprocessing;Encoding;Formats;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Videosignals
【摘要】:ThisstandardisInformationtechnology-Codingofaudio-visualobjects-Part4:Conformancetesting-Amendment19:Audiolosslesscoding(ALS).
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:3P.;A4
【正文语种】:英语



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