【英文标准名称】:FOTP236-IEC61280-2-9-FibreOpticCommunicationSubsystemTestProcedures-Part2-6:DigitalSystems-OpticalSignal-to-NoiseRatioMeasurementforDenseWavelength-DivisionMultiplexedSystems
【原文标准名称】:FOTP236.IEC61280-2-9.纤维光学通信子系统试验过程.第2-6部分:数字系统.密集波分多路复用系统的光学信噪比测量
【标准号】:ANSI/TIA-455-236-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数字信号;测量设备;输入功率;接收机;电信;光学;纤维光学;光波导;信号;多路复用;多语种的;试验;电气工程;灵敏级别;定义;乱真信号;跳动;测量;灵敏度
【英文主题词】:Definition;Definitions;Digitalsignals;Electricalengineering;Fibreoptics;Inputpower;Jitter;Measurement;Measuringequipment;Multilingual;Multiplex;Noise(spurioussignals);Opticalwaveguides;Optics;Receiver;Receivers;Sensitivity;Sensitivitylevels;Signals;Telecommunications;Testing
【摘要】:Thisdocumentprovidesaparameterdefinitionandatestmethodforobtainingopticalsignal-to-noiseratio(OSNR)usingapparatusthatmeasurestheopticalspectrumatamultichannelinterface.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01;33_180_20
【页数】:
【正文语种】:英语


【英文标准名称】:Electromagneticcompatibility(EMC)-Testingandmeasurementtechniques-Powerqualitymeasurementmethods
【原文标准名称】:电磁兼容性(EMC).试验和测量技术.功率等级测量方法
【标准号】:BSEN61000-4-30-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-06-23
【实施或试行日期】:2003-06-23
【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】:等级;定义;电气器具;电力系统;电气设备;电气工程;电磁兼容性;电磁试验;电磁学;电磁兼容性(EMC);检验;干扰抑制;测量;测量不确定度;测量技术;测量方法;电源频率;质量;规范(验收);电源电压;试验;电压
【英文主题词】:Classes;Definitions;Electricappliances;Electricpowersystems;Electricalappliances;Electricalengineering;Electromagneticcompatibility;Electromagnetictests;Electromagnetism;EMC;Inspection;Interferencerejections;Measurement;Measuringincertainity;Measuringtechniques;Methodsformeasuring;Powerfrequency;Quality;Specification(approval);Supplyvoltages;Testing;Voltage
【摘要】:ThispartofIEC61000-4definesthemethodsformeasurementandinterpretationofresultsforpowerqualityparametersin50/60Hza.c.powersupplysystems.Measurementmethodsaredescribedforeachrelevanttypeofparameterintermsthatwillmakeitpossibletoobtainreliable,repeatableandcomparableresultsregardlessofthecompliantinstrumentbeingusedandregardlessofitsenvironmentalconditions.Thisstandardaddressesmeasurementmethodsforinsitumeasurements.Measurementofparameterscoveredbythisstandardislimitedtothosephenomenathatcanbeconductedinapowersystem.Theseincludethevoltageand/orcurrentparameters,asappropriate.Thepowerqualityparametersconsideredinthisstandardarepowerfrequency,magnitudeofthesupplyvoltage,flicker,supplyvoltagedipsandswells,voltageinterruptions,transientvoltages,supplyvoltageunbalance,voltageandcurrentharmonicsandinterharmonics,mainssignallingonthesupplyvoltageandrapidvoltagechanges.Dependingonthepurposeofthemeasurement,allorasubsetofthephenomenaonthislistmaybemeasured.Thisstandardisaperformancespecification,notadesignspecification.Theuncertaintytestsintherangesofinfluencequantitiesinthisstandarddeterminetheperformancerequirements.Thisstandardgivesmeasurementmethodsbutdoesnotsetthresholds.Theeffectsoftransducersbeinginsertedbetweenthepowersystemandtheinstrumentareacknowledgedbutnotaddressedindetailinthisstandard.Precautionsoninstallingmonitorsonlivecircuitsareaddressed.
【中国标准分类号】:L06
【国际标准分类号】:33_100_10
【页数】:50P;A4
【正文语种】:英语