At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.

同时，还讨论了影响光时域反射仪(OTDR)测试精度的要素和消除测试误差通常采用的对策。

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By using wavelength division multiplexing, optical switch and optical time domain reflectometer (OTDR) technology, networks can be supervised automatically.

该方案将光波分复用技术、光开关和OTDR技术相结合，实现了对光纤通信网的自动在线监测。

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Abstract: The principle of distributed temperature sensor system based on Raman Scattering and optical time domain reflectometer (OTDR) is explained.

摘要：阐述了基于拉曼背向散射和光时域反射(OTDR)技术的分布式光纤测温系统的原理。

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