ANSI T1.238-1997 远程通信信息交换.北美电信系统远程通信功能的识别结构
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【英文标准名称】:Telecommunications-Informationinterchange-StructurefortheidentificationoftelecommunicationsfacilitiesfortheNorthAmericantelecommunicationssystem
【原文标准名称】:远程通信信息交换.北美电信系统远程通信功能的识别结构
【标准号】:ANSIT1.238-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据元;识别;通道;开关设备;信号传输;尺寸;电信;信息交换;编码;通信网;电信传输法;复接;传输;电缆;结构;一致性;代码;定义
【英文主题词】:encoding;switchingequipment;sizes;communicationnetworks;signaltransmission;consistency;identification;telecommunications;codes;channels;telecommunicationtransmissionmethods;definitions;multiplexing;transmission;dataelements;structure;informationinterchange;cables
【摘要】:
【中国标准分类号】:M30
【国际标准分类号】:33_040_20
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:Electromagneticcompatibility(EMC)-Part4-3:Testingandmeasurementtechniques;Radiated,radio-frequency,electromagneticfieldimmunitytest
【原文标准名称】:电磁兼容性.第4-3部分:试验和测量技术.辐射、射频和电磁场抗扰性试验
【标准号】:IEC61000-4-3-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2006-12-19
【实施或试行日期】:2007-09-01
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC77B
【标准类型】:()
【标准水平】:()
【中文主题词】:电气设备;电驱动装置;干扰抑制;试验装置;EMC;设备;测量技术;电气工程;工作性能;试验;定义;电气器具;基础标准;电磁兼容性;高频;电子装置;抗扰性;锐度;电话机;无线电话;校正;数字的;电子仪器;电磁试验;电话设备;电磁场
【英文主题词】:
【摘要】:ThissectionofIEC61000-4isapplicabletotheimmunityofelectricalandelectronicequipmenttoradiatedelectromagneticenergy.Itestablishestestlevelsandtherequiredtestprocedures.Theobjectofthissectionistoestablishacommonreferenceforevaluatingtheperformanceofelectricalandelectronicequipmentwhensubjectedtoradio-frequencyelectromagneticfields.Testingisnotrequiredatfrequenciesotherthanthosespecifiedinclause5ofthisstandard.Thepossiblefutureintroductionofnewradioserviceswhichmaydegradetheperformanceofelectricalandelectronicequipmentmayresultintestlevelsbeingspecifiedinotherfrequencybands.Thissectiondealswithimmunitytestsrelatedtogeneralpurposes.Particularconsiderationsaredevotedtotheprotectionagainstradiofrequencyemissionsfromdigitalradiotelephones.NOTETestmethodsaredefinedinthissectionformeasuringtheeffectthatelectromagneticradiationhasontheequipmentconcerned.Thesimulationandmeasurementofelectromagneticradiationisnotadequatelyexactforquantitativedeterminationofeffects.Thetestmethodsdefinedarestructuredfortheprimaryobjectiveofestablishingadequaterepeatabilityofresultsatvarioustestfacilitiesforqualitativeanalysisofeffects.Thissectiondoesnotintendtospecifytheteststobeappliedtoparticularapparatusorsystems.ItsmainaimistogiveageneralbasicreferencetoallconcernedproductcommitteesoftheIEC.Theproductcommittees(orusersandmanufacturersofequipment)remainresponsiblefortheappropriatechoiceofthetestsandtheseverityleveltobeappliedtotheirequipment.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:39P.;A4
【正文语种】:汉语