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DIN EN 60728-4-2008 电视信号、声音信号和交互式设备用电缆网络.第4部分:同轴电缆网络用无源宽带设备

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【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part4:Passivewidebandequipmentforcoaxialcablenetworks(IEC60728-4:2007);GermanversionEN60728-4:2008
【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4部分:同轴电缆网络用无源宽带设备
【标准号】:DINEN60728-4-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11
【实施或试行日期】:2008-11-01
【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】:音频信号;分支电路;宽带;宽带网络;宽带系统;电缆分布系统;电缆电视;电缆分配系统;电缆网络;共用天线电视;公共天线电视;同轴电缆;通信链;连接电缆;接线箱;连接件;阻尼(波);数据记录;退耦;定义;失真;分配器;电气工程;频率范围;等级(质量);交互式的;互相调制;测量;测量技术;计量学;标准化组件;调制;性能要求;额定值;接收机;回程损耗;信号;声音广播;规范(验收);用户台;电视广播;电视接收;终端装置;电视信号;宽频带传输
【英文主题词】:Audiosignals;Branchconduits;Broadband;Broadbandnetwork;Broadbandsystems;Cabledistributionsystems;Cabletelevision;Cableddistributionsystems;Cablednetworks;CATV;Central-antennatelevision;Coaxialcables;Communicationchains;Connectingcables;Connectionboxes;Connections;Damping;Datarecording;Decoupling;Definition;Definitions;Distortion;Distributors;Electricalengineering;Frequencyranges;Grades(quality);Interactive;Intermodulation;Measurement;Measuringtechniques;Metrology;Modularunits;Modulation;Performancerequirements;Ratings;Receivers;Returnloss;Signals;Soundbroadcasting;Specification(approval);Subscriber'sstation;Televisionbroadcasting;Televisionreception;Terminaldevices;Visionsignals;Widebandtransmission
【摘要】:
【中国标准分类号】:M62
【国际标准分类号】:33_060_40
【页数】:42P.;A4
【正文语种】:德语


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【英文标准名称】:StandardGuideforSelectionandDocumentationofExistingWellsforUseinEnvironmentalSiteCharacterizationandMonitoring
【原文标准名称】:用于环境位点特性和探测的现有井的选择和文件编制的标准指南
【标准号】:ASTMD5980-1996(2004)
【标准状态】:现行
【国别】:
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmentalsitecharacterization;fieldinvestigations;groundwater;hydrolicinvestigations;monitoringwells;sampling;sitecharacterization;siteinvestigations;subsurfaceinvestigations
【摘要】:Thisguidedescribesageneralapproachfortheuseofexistingwellsinenvironmentalinvestigationswithaprimaryfocusonthesubsurfaceandmajorfactorsaffectingthesurfaceandsubsurfaceenvironment.Existingwel
【中国标准分类号】:D04
【国际标准分类号】:13_020_10
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Electricitymetering-Paymentsystems-Part52:Standardtransferspecification(STS)-Physicallayerprotocolforatwo-wayvirtualtokencarrierfordirectlocalconnection
【原文标准名称】:电量测量.付费系统.第52部分:标准传输规范(STS).直接本地连接用双向有效令牌载波的应用层协议
【标准号】:IEC62055-52-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC13
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用协议;载(波)频(率);客户;编码;计数器;密码;电流;数据处理;数据存储;数据传送;配电;电能;电气工程;供电表;能量;财务交易;测量;开放系统互连;OSI;支付;物理层;协议;服务器;规范;传输;给水
【英文主题词】:Applicationlayer;Applicationprotocol;Carrierfrequency;Client;Coding;Counters;Cryptographic;Currents;Dataprocessing;Datastorage;Datatransfer;Distributionofelectricity;Electricenergy;Electricalengineering;Electricitysupplymeters;Encoding;Energy;Financialtransactions;Measurement;Opensystemsinterconnection;OSI;Payment;Physicallayers;Protocols;Server;Specification;Transmission;Watersupply
【摘要】:ThispartofIEC62055specifiesaphysicallayerprotocoloftheSTSfortransferringunitsofcreditandothermanagementinformationbetweenaclient(typicallyaHHU)andaserver(anSTS-compliantelectricitypaymentmeter),typicallyoveradirectlocalconnection.ItiscomplementarytotheapplicationlayerprotocolspecifiedinIEC62055-41andshouldbeusedinconjunctionwiththatstandard.Thisstandardisnotapplicabletopaymentmeteringsystemsemployingmonetary-basedtokens,complextariffsandcurrency-modeaccountingfunctions.ItisonlyintendedtosupporttheSTSfunctionalityasdefinedinIEC62055-41anditdoesnotsupporttheadditionalfunctionalityrequiredforextendedusethatincludesmonetary-basedtokensandcomplexmeterfunctionssuchastariffs,realtimeclocksandcurrency-modeaccounting.Ifsuchextendedusewererequiredinthefuture,thenitwouldneednewworkonthispartofIEC62055aswellasonIEC62055-41.Itisintendedforuseacrossarangeofpaymentmetersdevelopedbydifferentmanufacturersandtoensurecompatibilitybetweentheseproductsandotherclientdevices.Itspecifiesaclient/servercommunicationsprotocolthat:~transfersSTS-complianttokensfromaclientdevicetoapaymentmeterserver;~readstheresultfromthepaymentmeteraftertransferandexecutionofthetoken;~transfersmanagementdatafromtheclientdevicetothepaymentmeterserver;~readsmanagementdatafromthepaymentmeterserverandtransferssametotheclientdevice.NOTEAlthoughdevelopedforpaymentsystemsforelectricity,thisstandardcanalsobeappliedtootherutilityservices,suchaswaterandgas.
【中国标准分类号】:P63
【国际标准分类号】:17_220_20;35_100_20;91_140_50
【页数】:54P.;A4
【正文语种】:英语