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BS EN 60728-1-1-2010 电视信号,声音信号和交互式服务用电缆网络.双向家用网络用射频(RF)电缆

作者:标准资料网 时间:2024-05-16 19:10:59  浏览:9754   来源:标准资料网
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【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices.RFcablingfortwowayhomenetworks
【原文标准名称】:电视信号,声音信号和交互式服务用电缆网络.双向家用网络用射频(RF)电缆
【标准号】:BSEN60728-1-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-07-31
【实施或试行日期】:2010-07-31
【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】:天线系统;音频信号;电缆分布系统;电缆电视;电缆电视系统;电缆分配系统;共用天线电视;同轴电缆;兼容性;定义;电气工程;交互式的;测量;测量技术;性能;性能要求;额定值;接收天线;信号传输;声音广播;电视广播;电视传输;电视信号
【英文主题词】:Antennasystems;Audiosignals;Cabledistributionsystems;Cabletelevision;Cabletelevisionsystem;Cableddistributionsystems;CATV;Coaxialcables;Compatibility;Definitions;Electricalengineering;Interactive;Measurement;Measuringtechniques;Performance;Performancerequirements;Ratings;Receptionantennae;Signaltransmission;Soundbroadcasting;Televisionbroadcasting;Televisiontransmission;Visionsignals
【摘要】:ThispartofIEC60728providestherequirementsanddescribestheimplementationguidelinesofRFcablingfortwo-wayhomenetworks;itisapplicabletoanyhomenetworkthatdistributessignalsprovidedbyCATV/MATV/SMATVcablenetworks(includingindividualreceivingsystems)havingacoaxialcableoutput.Itisalsoapplicabletohomenetworkswheresomepartofthedistributionnetworkuseswirelesslinks,forexampleinplaceofthereceivercord.ThispartofIEC60728isthereforeapplicabletoRFcablingfortwo-wayhomenetworkswithwiredcordsorwirelesslinksinsidearoomandprimarilyintendedfortelevisionandsoundsignalsoperatingbetweenabout5MHzand3000MHz.Thefrequencyrangeisextendedto6000MHzfordistributiontechniquesthatreplacewiredcordswithawirelesstwo-waycommunicationinsidearoom(orasmallnumberofadjacentrooms)thatusesthe5GHzto6GHzband.Inabuildingdividedintoapartmentblocks,thedistributionofthesignalsinsidethehomestartsfromthehomenetworkinterface(HNI)uptothesystemoutletorterminalinput.TherequirementsatthesystemoutletaregiveninIEC60728-1,Clause5andtherequirementsattheHNIaregiveninIEC60728-1,Clause7.InClause5ofthisstandardadditionalrequirementsaregiven.Thisstandarddealswithvariouspossibilitiestodistributesignalsinahomenetwork,usingcoaxialcables,balancedpaircables,fibreopticcables(glassorplastic)andalsowirelesslinksinsidearoom(orasmallnumberofadjacentrooms)toreplacewiredcords.Thisstandardgivesreferencestobasicmethodsofmeasurementoftheoperationalcharacteristicsofthehomecablenetworkinordertoassessitsperformance.Allrequirementsrefertotheperformancelimits,whichareobtainedbetweentheinput(s)atthehomenetworkinterface(HNI)andtheoutputatanysystemoutletwhenterminatedinaresistanceequaltothenominalloadimpedanceofthesystem,unlessotherwisespecified.Wheresystemoutletsarenotused,theaboveappliestotheterminalinput.Clause5definestheperformancelimitsmeasuredatsystemoutletorterminalinputforanunimpaired(ideal)testsignalappliedattheHNI.Undernormaloperatingconditionsforanyanaloguechannelandmeetingtheselimits,thecumulativeeffectoftheimpairmentofanysingleparameterattheHNIandthatduetothehomenetworkwillproducepictureandsoundsignalsnotworsethanGradefouronthefive-gradeimpairmentscalecontainedinITU-RBT.500.TheserequirementsaregiveninIEC60728-1-2.FordigitallymodulatedsignalsthequalityrequirementisaQEF(QuasiErrorFree)reception.Thisstandarddescribesthephysicallayerconnectionforhomenetworks.DescriptionofprotocolsrequiredforLayer2andhigherlayersisoutofthescopeofthisstandard.Logicalconnectionsbetweendeviceswithinthehomenetworkarethereforenotalwaysguaranteed.
【中国标准分类号】:M61
【国际标准分类号】:33_060_30;33_060_40;33_160_01
【页数】:64P.;A4
【正文语种】:英语


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Product Code:SAE MA2012
Title:Port, Internal, Straight Thread, Fitting Connection, Design Standard, Metric
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.【英文标准名称】:Banking.Keymanagement(retail).Part1:introductiontokeymanagement.
【原文标准名称】:银行业务.密钥管理(零售).第1部分:密钥管理介绍
【标准号】:NFK19-200-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:编码号;数据处理;管理;财务管理;编码;编码;IC编码;识别卡;信息技术;校验;算法;;定义;银行业务;银行文件;粗梳机;钥匙;卡片;信用卡;数据存储;办公装置;办公室管理;零售商业;磁记录;数据保护;机读资料;数据安全
【英文主题词】:
【摘要】:
【中国标准分类号】:A11
【国际标准分类号】:35_240_40
【页数】:19P;A4
【正文语种】:其他



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