【英文标准名称】:Aerospace;powersupplyforanti-collisionbeacon;technicalspecification
【原文标准名称】:航空航天.防撞警告信号用的电源.技术条件
【标准号】:DIN65145-2-1985
【标准状态】:现行
【国别】:德国
【发布日期】:1985-12
【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】:规范(审批);尺寸;作标记;电气工程;特性;航天运输;航空航天运输;材料;包装件;检验;供能系统(建筑物);验收规范;航空航天;电力系统;设计;防撞灯;航空运输;质量(物质);安全出口照明;警告灯;航空灯;灯具;闪光灯
【英文主题词】:
【摘要】:Thisstandardcontainsthespecificationsforpowersuppliesofaircraftanti-collisionbeacons.Requirementsandqualitytestsarespecified.
【中国标准分类号】:V40;V76
【国际标准分类号】:49_100
【页数】:6P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforNoiseEquivalentTemperatureDifferenceofThermalImagingSystems
【原文标准名称】:热图象系统的噪声等效温差的标准试验方法
【标准号】:ASTME1543-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E07.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:温度测量仪表;温差;试验
【英文主题词】:infraredimagingsystems;noiseequivalenttemperaturedifference;nondestructivetesting;thermalimagingsystems;thermography
【摘要】:Thistestmethodgivesanobjectivemeasureofthetemperaturesensitivityofathermalimagingsystem(relativetoastandardreferencefilter)exclusiveofamonitor,withemphasisonthedetector(s)andpreamplifier.Note18212;Testvaluesobtainedunderidealizedlaboratoryconditionsmayormaynotcorrelatedirectlywithserviceperformance.Thistestmethodaffordsaconvenientmeansforperiodicallymonitoringtheperformanceofagiventhermalimagingsystem.NETDrelatestominimumresolvabletemperaturedifferenceasdescribedinTestMethodE1213.Thus,anincreaseinNETDmaybemanifestasalossofdetailinimagery.IntercomparisonsbasedsolelyonNETDfiguresmaybemisleading.Note28212;NETDdependsonvariousfactorssuchasspectralbandwidthandbackgroundtemperature.1.1Thistestmethodcoversthedeterminationofthenoiseequivalenttemperaturedifference(NETD;NET)ofthermalimagingsystemsoftheconventionalforward-lookinginfrared(FLIR)orothertypesthatutilizeanoptical-mechanicalscanner;itdoesnotincludecharge-coupleddevicesorpyroelectricvidicons.1.2Partsofthistestmethodhavebeenformulatedundertheassumptionofaphotonicdetector(s)atastandardbackgroundtemperatureof295K(22C).Besidesnonuniformity,testsmadeatotherbackgroundtemperaturesmayresultinimpairmentofprecisionandbias.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_20
【页数】:4P.;A4
【正文语种】: