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光模块常用仪器的使用手册和测试指标DWDMDenseWavelengthDivisionMultiplexing密集型光波复用EDErrorDetector错误检测器EDFAErbium-dopedOpticalFiberAmplifier掺铒光纤放大器ERExtinctionRatio消光比NRZNotReturntoZero不归零码OSNROpticalSignalNoiseRatio光信噪比PPGPulsePatternGenerator标准脉冲发生器RZreturntozero归零码TDRTimeDomainReflectometer时域反射计AAssert有光点功率APAverageOpticalPower平均光功率BERBitErrorRate比特差错率CroCrossing交点DDe-assert无光点功率DCDDutyCycleDistortion占空比失真抖动DDMDataDiagnosticMonitoring数字诊断监控DFBDistributedFeedBack分布反馈式激光器DJDeterministicJitter确定性抖动EDErrorDetector错误检测器ERExtinctionRatio消光比RTRiseTime上升时间FTFallTime下降时间FPFabry-Perot法布里-珀罗型激光器FWHMFullWaveatHalfMaximum半高全宽度GBICGigaBitInterfaceConvertor千兆比特接口转换器LOSLossofSignal信号丢失OLROpticalReturnLoss光回损OLTOpticalLineTerminal光设备终端OMAOpticalmodulationamplitude光调制幅度ONUOpticalNetworkUnit光网络单元PPGPulsePatternGenerator标准脉冲发