DIN 45030-2-1969 天线方面的概念.天线等级和天线形状
时间:2024-05-12 10:05:24 来源: 标准资料网 作者：标准资料网 阅读：8958
【英文标准名称】:Glossaryofaerial-terms(antenna-terms);kindsandtypesofaerials(antennas)
【原文标准名称】:天线方面的概念.天线等级和天线形状
【标准号】:DIN45030-2-1969
【标准状态】:作废
【国别】:德国
【发布日期】:1969-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:多倍;广播;电气工程;定义;反光镜;天线;电视
【英文主题词】:electricalengineering;television;broadcasting;definitions;reflectors(light);multiple;antennae
【摘要】:
【中国标准分类号】:M51
【国际标准分类号】:33_120_40
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforSpecifyingDynamicCharacteristicsofOpticalRadiationTransmittingFiberWaveguides
【原文标准名称】:光辐射传送光纤波导规定动态特性标准导则
【标准号】:ASTME1653-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E13.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:纤维光学波导;光辐射传送光纤波导;峰值功率;动态特性;纤维光学;光学纤维;电磁辐射;导则;波导(管);弯曲特性;性能
【英文主题词】:bendcharacteristics;dynamiccharacteristics;fiberoptics;opticalfibers;peakpower
【摘要】:Manycharacteristicsofafiber-opticwaveguideaffectthedynamicperformance.Quantitativevaluesofcertainkeyparameters(characteristics)needtobeknown,apriori,inordertopredictorevaluatethedynamicperformanceofawaveguideforspecificconditionsofuse.Thisguideidentifiesthesekeyparametersandprovidesinformationontheirsignificanceandhowtheyaffectperformance.However,thisguidedoesnotdescribehowtheneededquantitativeinformationistobeobtained.Manufacturersoffiber-opticwaveguidescanusethisguideforcharacterizingtheirproductssuitablyforuserswhoareconcernedwithdynamicperformance.Usersoffiber-opticwaveguidescanusethisguidetodeterminethattheirwaveguidesareadequatelycharacterizedfortheirintendedapplication.1.1Thisguidecoversthekeyparametersthatdeterminethedynamicperformanceofanopticalradiationtransmittingfiberwaveguide(seeNote1).Forthepurposeofthisguide,opticalradiationiselectromagneticradiationofwavelengthsfromabout200toabout5000nm(correspondingly,frequenciesof50000cm-1to2000cm-1,andphotonenergiesof6eVto0.25eV).Note1--Typicaldesignationsofradiationtransmittingfiberwaveguidesincludeopticalwaveguide,fiber-optic,fiber-opticwaveguide,andfiber-opticradiationguide.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Electrostatics-Part4-1:Standardtestmethodsforspecificapplications-Electricalresistanceoffloorcoveringsandinstalledfloors
【原文标准名称】:静电学.第4-1部分:对于专门用途的标准试验方法.地板覆盖物和已装修地板的抗电性
【标准号】:IEC61340-4-1-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12
【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/TC101
【标准类型】:()
【标准水平】:()
【中文主题词】:静电充电;电阻;验收检验;质量控制;测量技术;地板覆盖物;静电学;取样;电气工程;抽样方法;定义;试验条件;试验
【英文主题词】:Acceptanceinspection;Behaviour;Classification;Conditioning;Definitions;Electrical;Electricalengineering;Electricalproperties;Electricalresistance;Electrostatic;Electrostaticchargings;Electrostatics;Floorcoverings;Floors;Investigations;Laboratorytesting;Materials;Measurement;Measuringtechniques;Methods;Qualitycontrol;Sampling;Samplingmethods;Testreports;Testspecimens;Testing;Testingconditions
【摘要】:Specifiestestmethodsfordeterminingtheelectricalresistanceofalltypesoffloorcoveringsandinstalledfloorswithresistancetoground,point-to-pointresistanceandverticalresistanceofbetween104Wand1013W.Laboratoryevaluationscarried
【中国标准分类号】:A42
【国际标准分类号】:17_220_20;59_080_60;97_150
【页数】:34P.;A4
【正文语种】:英语