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【英文标准名称】:Measurementmethodsforreflectivityofelectromagneticwaveabsorbersinmillimetrewavefrequency
【原文标准名称】:电磁波吸收仪在毫米波频上的反射性的测量方法
【标准号】:IEC/PAS62431-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-07
【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】:电磁学;电磁兼容性;测量条件;反射特性;高频;定义;吸收仪;散射变量;反射性;电气工程;EMC;干扰抑制
【英文主题词】:Absorbers;Definition;Definitions;Electricalengineering;Electromagneticcompatibility;Electromagnetism;EMC;Highfrequencies;Interferencesuppression;Measurementconditions;Reflectioncharacteristics;Reflectivity;Scatteringvariable
【摘要】:ThisPASspecifiesthemeasurementmethodsforthereflectivityofelectromagneticwaveabsorbers(EMA)forthenormalincident,obliqueincidentandeachpolarizedwaveinthefrequencyrangefrom30GHzto300GHz.Inaddition,thesemethodsarealsoequallyeffectiveforthereflectivitymeasurementofothermaterials.ThisPASisapplicablenotonlytothoseEMAwhicharewidelyusedasthecounter-measuresagainstcommunicationfaults,radiointerferenceetc.,butalsotothoseusedinananechoicchamberinsomecases.EMAsmaybeanykindofmaterialandmayhaveanyarbitraryshape,configuration,orlayeredstructureasindicatedbelow.Material:Conductivematerial,dielectricmaterial,magneticmaterialShape:Planar,pyramidal-type,wedge-type,etc.Layerstructure:Singlelayer,multilayers,andgraded-indexmaterialThisPASmaygivethemeasurementmethodofreflectivityapplicabletovariousEMAsormaterials.However,itmaynotbeapplicabletoallEMAs.ThisPASmaybesupplementedwithadditionalmethodsifnecessarysothatafuturedemandmaybefulfilled.ThePASspecifiesthemeasurementmethodsforthereflectivityofEMAinthemillimetre-waverange:-measurementfrequencyrange:30GHzto300GHz-reflectivity:0to-50dB-incidentangle:0°to80°.
【中国标准分类号】:A55
【国际标准分类号】:17_220_20
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Insulationco-ordination-Part1:Definitions,principlesandrules(IEC60071-1:2006+A1:2010);GermanversionEN60071-1:2006+A1:2010
【原文标准名称】:绝缘配合.第1部分:定义、原理和规则(IEC60071-1-2006+A1-2010).德文版本EN60071-1-2006+A1-2010
【标准号】:EN60071-1-2010
【标准状态】:现行
【国别】:
【发布日期】:2010-09
【实施或试行日期】:2010-09-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电压;配合;定义;介质;接地漏电;接地;导电体;配电;电气的;电气工程;电绝缘材料;电绝缘;电气试验;电驱动装置;设备、装置;高电压;绝缘的;绝缘配合;绝缘水平;绝缘件;雷涌电压;方法;网;网络;过电压;过电压保护装置;设备;原则;合格试验;额定绝缘水平;额定耐受电压;选择;自体愈合;设备电压;规范(验收);统计;电涌放电器;开关电压;试验;三相电流;三相电力网;变压器;电压;耐电压
【英文主题词】:Alternatingvoltages;Co-ordination;Definitions;Dielectric;Earthleakage;Earthing;Electricconductors;Electricpowerdistribution;Electrical;Electricalengineering;Electricalinsulatingmaterials;Electricalinsulation;Electricaltesting;Electrically-operateddevices;Equipment;Highvoltage;Insulated;Insulationcoordination;Insulationlevels;Insulations;Lightningsurgevoltages;Methods;Nets;Network;Overvoltage;Overvoltageprotection;Plant;Principles;Qualificationtests;Ratedinsulationlevel;Ratedwithstandvoltage;Selection;Selfhealing;Servicevoltage;Specification(approval);Statistical;Surgearresters;Switchingvoltage;Testing;Three-phasecurrent;Three-phasenetworks;Transformers;Voltage;Withstandvoltage
【摘要】:
【中国标准分类号】:
【国际标准分类号】:01_040_29;29_080_01
【页数】:39P;A4
【正文语种】:英语