A distributed optic fiber type strain sensing system based on optical time domain reflectometer and used for monitoring large scale structural strain and deformation state is studied in the paper.
研究了一种用于大型工程结构应变、变形状态监测的基于光时域反射技术的分布式光纤应变传感系统。
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。
The principle of Brillouin optical time domain reflectometer (BOTDR) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied.
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。
At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.