ASTM D 1160-2003 石油产品减压蒸馏标准试验方法

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【英文标准名称】:Opticalamplifiers-Testmethods-Multichannelparameters-Pulsemethodusingagatedopticalspectrumanalyzer
【原文标准名称】:光学纤维放大器.试验方法.多道参数.选通光频谱分析仪脉冲法
【标准号】:BSEN61290-10-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-09-01
【实施或试行日期】:2003-09-01
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:放大器;基础规范;传播技术;电气工程;纤维光学;光纤;测量;测量技术;多道的;乱真信号;光学纤维;光波导;光学;性能;功率级别;信号;规范;光谱分析;电信;试验;传输系统
【英文主题词】:Amplifiers;Basicspecification;Communicationtechnology;Electricalengineering;Fibreoptics;Measurement;Measuringtechniques;Multichannels;Noise(spurioussignals);Opticalfibres;Opticalwaveguides;Optics;Performance;Powerlevels;Signals;Specification;Spectralanalysis;Telecommunications;Testing;Transmissionsystems
【摘要】:ThispartofIEC61290appliestoopticalfibreamplifiers(OFA)usingactivefibres,containingrare-earthdopants,currentlycommerciallyavailable.TheobjectofthisInternationalStandardistoestablishuniformrequirementsforaccurateandreliablemeasurementsofthesignal-spontaneousnoisefigureasdefinedin3.1.18ofIEC61291-1.Thetestmethodindependentlydetectsamplifiedsignalpowerandamplifiedspontaneousemission(ASE)powerbylaunchingopticalpulsesintotheOFAundertest.TheASElevelismeasuredbysynchronouslymeasuringthepoweronanopticalspectrumanalyzer(OSA)duringtheopticalpulseoffperiod.TheaverageopticalsignallevelismeasuredbyrandomsamplingintheOSA.Suchmeasurementispossiblebecausethegainresponseoftherare-earthdopedOFAisrelativelyslow,particularlyinEr-dopedOFA.However,sincetheOFAgaindynamicsvarywithamplifiertypes,operatingconditions,andcontrolschemes,thegaindynamicsshouldbecarefullyconsideredwhenapplyingthepresenttestmethodtovariousOFA.ThemanufactureroftheOFAshouldpresentdatavalidatingtherequiredmodulationfrequencytolimittheerrorto【英文标准名称】:PublicSwitchedTelephoneNetwork(PTSN)-CategoryIIspecificationfor1200bitspersecondduplexmodemsstandardizedforuseonthePSTN;EnglishversionETS300116:1996
【原文标准名称】:公共交换电话网(PSTN).PSTN上使用的1200比特/秒双工标准调制解调器的第2类规范
【标准号】:DINETS300116-1997
【标准状态】:现行
【国别】:德国
【发布日期】:1997-08
【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】:调制解调器;认可体系;电话机;电话网;交换电话网;成双的;公众交换电话网;附加设备;PSTN;连接;通信设备;远程通信;电信;认可;通信网;测量技术;定义;规范(验收)
【英文主题词】:Additionalequipment;Approval;Approvalsystems;Communicationequipment;Communicationnetworks;Connections;Definition;Definitions;Duplex;Measuringtechniques;Modems;PSTN;PublicSwitchedTelephoneNetwork;Specification(approval);Switchedtelephonenetwork;Telecommunication;Telecommunications;Telephonenetworks;Telephones
【摘要】:
【中国标准分类号】:M40;M13
【国际标准分类号】:33_040_35
【页数】:31P.;A4
【正文语种】:德语