“optical time domain reflectometer”的概念、定义、翻译、参考文献-科学参考

单词	optical time domain reflectometer
释义	optical time domain reflectometer Encyclopedia 工学光网络参数测试仪释 optical time domain reflectometer光时域反射计通过向被测光纤发送激光脉冲引起沿光纤的后向散射（瑞利散射）或光纤链路上有折射率变化节点处的反射，检测按时间顺序返回的光信号强度分布，并计算得到光纤长度与光纤损耗变化关系曲线的仪器。
随便看	right coset space right cylinder right deacon in a Chinese monastery right decomposition right delimiter of an entry right denominator right derivation right derivative right derived functor right difference right differentiability right differentiable function right differential right differential coefficient right dihedral angle right dimension right-directed quasiorder right-directed set right direct product right displacement right distributive law right distributivity right division right division algorithm right divisor

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