IEC 60315-3 Edition 2.1-1999 各种发射类别的无线电接收机的测量方法.第3部分:放大调制声音播送接收器.
时间:2024-05-22 07:32:11 来源: 标准资料网 作者：标准资料网 阅读：9570
【英文标准名称】:Methodsofmeasurementonradioreceiversforvariousclassesofemission-Part3:Receiversforamplitude-modulatedsound-broadcastingemissions
【原文标准名称】:各种发射类别的无线电接收机的测量方法.第3部分:放大调制声音播送接收器.
【标准号】:IEC60315-3Edition2.1-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisstandardappliestoradioreceiversforthereceptionofamplitude-modulatedsound-broadcastingemissions.Itdealsmainlywithmeasurementsusingradio-frequencysignalsappliedtotheantennaterminalsofthereceiver,orinducedinamagneticantenna.ThispartisintendedtobereadinconjunctionwithPart1(IEC60315-1,Secondedition).Immunityisnotcovered,exceptforanexplanationwithcross-referencetoCISPRpublications.Forradiationfromreceivers,referenceisrequiredtoCISPRPublication13.NOTE1-Receiverswithoutvolumecontrolsora.f.poweroutputstages("tuners")areincluded.NOTE2-Receiversforsingle-sidebandandindependent-sidebandemissionsarenotincluded,norarereceiversforstereophonicemissionsasfarascharacteristicsinvolvingtheencodingsystemareconcerned.
【中国标准分类号】:M74
【国际标准分类号】:33_160_20
【页数】:21P;A4@
【正文语种】:英语
【英文标准名称】:Electricalapparatusforpotentiallyexplosiveatmospheres.Flameproofenclosures"D".
【原文标准名称】:潜在式爆炸环境用电气设备.防爆外壳"D"
【标准号】:NFC23-518-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-04-01
【实施或试行日期】:1996-04-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:56P;A4
【正文语种】:其他
【英文标准名称】:ProceduresforachievementofinteroperabilityandsecuritybyuseofenciphermentatthephysicallayerofOSIintelecommunicationsystemsconveyingautomaticdataprocessinginformation
【原文标准名称】:在传送自动数据处理信息的电信系统中开放式系统互连的物理层使用密码以获得互操作性和安全性程序
【标准号】:BS7112-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-05-31
【实施或试行日期】:1991-05-31
【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】:数据传送;信息交流;半双工传输;数据传输;开放系统互连;数据转换;编码(数据转换);代码转换;接口(数据加工);同步传输;代码表示;双工传输;数据处理;数据处理;起停式传输;物理层(开放系统互连)
【英文主题词】:Codedrepresentation;Coding;Communication;Communicationsystems;Dataconversion;Dataprocessing;Informationexchange;Informationinterchange;Informationprocessing;Opensystemsinterconnection;Physicallayers;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardappliestosystemsforenciphermentofADPinformationinthephysicallayerofdatacommunications.ThisInternationalStandardisequallyapplicablewhethertheDataEnciphermentEquipment(DEE)isimplementedasaphysicallyseparatepieceofequipmentorimplementedaspartoftheDataTerminalEquipment(DTE)oraspartoftheDataCircuitterminatingEquipment(DCE).WhentheenciphermentisintegratedintotheDTEorDCE,thisInternationalStandardappliestothoseportionsoftheDTEorDCEdesignwhichimplementtherequirementsofthisInternationalStandard.Interoperabilityrequirementsaredefinedforthefollowingphysicalinterfacedefinitions:V.24,X.20bis,X.21bis,X.20,andX.21.ThephysicallayerisdescribedintheOpenSystemsInterconnectionReferenceModel,ISO7498.Inphysicallayerencipherment,alloftheSDUisnormallyenciphered.TheinteroperabilityrequirementsdescribedinthisInternationalStandardapplytobothsynchronousandasynchronousoperationinbothfullduplexandhalfduplexmodes.ThemainbodyofthisInternationalStandardspecifiesrequirementswhichareapplicabletotheuseofvariousenciphermentalgorithms.AnnexBspecifiesadditionalrequirementsfortheuseofDEA(ANSIX3.92-1981).ThisInternationalStandardalsospecifiestwoalternativemodesofsynchronousoperation-thedelayedoptionandtheimmediateoption-whicharemutuallyincompatible.ThisInternationalStandardalsospecifiestwoalternativeactionsforBREAKsignallingforasynchronousoperation-ClassAandClassB-whicharemutuallyincompatibie.
【中国标准分类号】:L78
【国际标准分类号】:35_040
【页数】:24P;A4
【正文语种】:英语