【英文标准名称】:Aerospaceseries-Fibreopticsystems-Handbook-Part002:Testandmeasurement;GermanandEnglishversionEN4533-002:2006
【原文标准名称】:航空航天系列.纤维光学系统.手册.第002部分:试验和测量
【标准号】:DINEN4533-002-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空工程;航空航天运输;航空运输;航空器;光纤;连接件;电缆;电线;纤维光学;玻璃纤维电缆;玻璃纤维;手册;检验;测量;多语种的;多模纤维;光波导;航天运输;系统工程;测试;试验条件
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Aircraft;Cables;Connections;Electriccables;Electricalcords;Fibreoptics;Glassfibrecables;Glassfibres;Handbooks;Inspection;Measurement;Multilingual;Multimodefibres;Opticalwaveguides;Spacetransport;Systemengineering;Testing;Testingconditions
【摘要】:Insertionlossisthemostfrequentmeasurementperformedonafibreopticlink.Theavionicsystemdesignerwillwanttoknoworpredicttheinsertionlossofalinktodetermineitsperformance.Aircraftmanufacturerswillwanttomeasuretheinsertionlossofharnesscomponentsduringassemblyandbeforeitisdeliveredtothecustomertohighlightfaultsandtoprovidearecordoftheperformanceoftheharnessatthebeginningofitslifetime(footprinting).Theinsertionlosswillbemeasuredatintervalsduringthelifetimeoftheaircrafttodiscoveroridentifyfaultsandanygradualdegradationinperformanceoftheharness.Thereis,however,oneproblem.Itisdifficulttocollectreliableandconsistentmeasurementsoftheinsertionlossonanymulti-modefibreopticharnesswherethedistancebetweencomponentsisrelativelysmall(lessthan100metres).Thereasonisthattheinsertionlossofacomponentoraharnessdependsonthepowerdistributionofthelightinjectedintoit.Thisleadstoverylargedifferencesinthemeasuredvalueoftheinsertionloss[1]dependingonthepowerdistributionofthesourceusedtomakethemeasurement.ThisPartofEN4533willexplainthemeasurementproblemandthetechniquesusedtoovercomethemingreaterdetail.
【中国标准分类号】:V25
【国际标准分类号】:49_060;49_090
【页数】:62P.;A4
【正文语种】: