【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part3-9:Examinationsandmeasurements-Far-endcrosstalk
【原文标准名称】:纤维光学互连器件和无源元件基本试验和测量程序第3-9部分:检查和测量远端串音
【标准号】:IEC61300-3-9-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-03
【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/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;测量技术;光波导;紧固件;量具;串音衰减
【英文主题词】:Checkgauge;Components;Cross-talk;Crosstalkattenuation;Fasteners;Fibreoptics;Insulations;Measuringtechniques;Opticalwaveguides;Testing
【摘要】:ThispartofIEC1300describestheproceduretomeasurethefar-endcrosstalkoflightbetweenchannelsofamultiportMxNor1xNfibreopticpassivecomponents(switch,WDMor,inparticularcases,fan-out).Thefar-endcrosstalkisdefinedastheratiooftheopticalpowerthatgoesoutfromagivenoutputporttoanopticalpowerthatgoesoutfromanotheroutputport,nominallyisolatedfromthepreviousone.ForWDMsthesignaltravellinginthetwooutputpathshavedifferentwavelengthsandthefar-endcrosstalkcorrespondstotheratiooftheopticalpower,atagivenwavelength,thatgoesoutfromthecorrespondingoutputporttoanopticalpower,atthesamewavelength,thatgoesoutfromanotheroutputport,nominallyisolatedfromthepreviousoneatthatwavelength.ForWDMcomponentsthetermisolationismorecommonlyusedthanfar-endcrosstalk.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:13P.;A4
【正文语种】:英语


【英文标准名称】:Safetyrequirementsforcablewayinstallationsdesignedtocarrypersons-Recoveryandevacuation;GermanversionEN1909:2004
【原文标准名称】:载人用索道装置的安全要求.恢复和撤离
【标准号】:EN1909-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-06
【实施或试行日期】:2005-06-01
【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】:撤离;废弃物利用;人员;乘客;安全要求;规范(验收);危害;动力传动系统;营救;建筑工程;定义;应急的;计划;事故预防;再循环;训练;救生设备;运载工具;交付使用;客运;维修;职业安全;绳索装置;缆索铁路;牵引式升降机;分类;机械工程;导绳;营救装备;废物利用装置;停顿;监督(认可)
【英文主题词】:Accidentprevention;Cablerailways;Classification;Commissioning;Constructions;Definition;Definitions;Draglifts;Emergency;Evacuate;Evacuation;Hazards;Life-savingequipment;Maintenance;Mechanicalengineering;Occupationalsafety;Passengertraffic;Passengers;Personnel;Planning;Powertransmissionsystems;Recirculation;Rescue;Rescueequipment;Rescueprovisions;Ropefixture;Ropeguides;Safetyrequirements;Salvage;Salvageequipment;Specification(approval);Standstill;Surveillance(approval);Training;Vehicles
【摘要】:
【中国标准分类号】:P52
【国际标准分类号】:45_100
【页数】:17P.;A4
【正文语种】:英语