IEC 62431-2008 毫米波频中电磁波吸收器的反射率.测量方法

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【英文标准名称】:Reflectivityofelectromagneticwaveabsorbersinmillimetrewavefrequency-Measurementmethods
【原文标准名称】:毫米波频中电磁波吸收器的反射率.测量方法
【标准号】:IEC62431-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC46F
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收器;定义;电气工程;电磁兼容性;电磁学;EMC;高频;干扰抑制;测量;测量条件;测量技术;金属的;反射特性;反射率;反射;散射变量;规范;通信
【英文主题词】:Absorbers;Definitions;Electricalengineering;Electromagneticcompatibility;Electromagneticwave;Electromagnetism;EMC;Highfrequencies;Interferencesuppression;Measurement;Measurementconditions;Measuringtechniques;Metallic;Reflectioncharacteristics;Reflectivity;Reflexions;Scatteringvariable;Specifications;Telecommunication
【摘要】:ThisInternationalStandardspecifiesthemeasurementmethodsforthereflectivityofelectromagneticwaveabsorbers(EMA)forthenormalincident,obliqueincidentandeachpolarizedwaveinthemillimetre-waverange.Inaddition,thesemethodsarealsoequallyeffectiveforthereflectivitymeasurementofothermaterials:-measurementfrequencyrange:30GHzto300GHz;-reflectivity:0dBto-50dB;-incidentangle:0~to80~.NOTEThisstandardisapplicablenotonlytothoseEMAwhicharewidelyusedascounter-measuresagainstcommunicationfaults,radiointerferenceetc.,butalsotothoseusedinananechoicchamberinsomecases.EMAsmaybeanykindofmaterial,andmayhaveanyarbitraryshape,configuration,orlayeredstructureaspointedoutbelow.Material:Conductivematerial,dielectricmaterial,magneticmaterial.Shape:planar-,pyramidal-,wedge-type,orotherspecificshapes.Layerstructure:singlelayer,multilayers,orgraded-indexmaterial.
【中国标准分类号】:L26
【国际标准分类号】:33_120_10
【页数】:55P;A4
【正文语种】:英语