In consideration of the difficulty of monitoring internal deformation in dam model tests, a new optical fiber sensor based on fiber Bragg grating (FBG) technology has been developed.
考虑到大坝模型试验中内部变形难以监测的现状，研制了一种新型的基于光纤布拉格光栅(FBG)技术的光纤传感器。
The present paper introduce mainly basic principle, device characteristic and making method of long-period fiber grating and outlines the application status in optical communication and sensor system.
介绍长周期光纤光栅基本工作原理、器件特性和制备方法，同时对这种器件在光通信和传感系统中的应用状况作了简要概述。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调，即波长微小移位的检测问题。
FBG sensor is one of the current heat research fields in the optical fiber grating sensing technique fields.
FBG传感器是目前光纤光栅传感领域的研究热点之一。
According to the principle of FBG temperature sensor and filter base on LPG, the paper puts forward a new optical fiber grating temperature alarming model sensitive to temperature.
文章依据FBG温度传感的原理以及LPG滤波技术，提出了一种新的光纤光栅温度报警模型。
The data acquisition sub-system USES distributed optical fiber grating temperature sensor system to measure the temperature of the cables, and transmits the data to the data processing sub-system.
系统利用分布式光纤光栅温度传感器对电力线路温度数据进行实时检测，然后将检测到的温度数据传送至数据处理部分。
Make the optical fiber grating nonuniform temperature variation field sensor and comb sensor by use of these results.
利用这些规律可做一般光纤光栅无法比拟的光纤光栅非均匀温变传感器以及对温变呈梳状反映的传感器。
Make the optical fiber grating nonuniform temperature variation field sensor and comb sensor by use of these results.
利用这些规律可做一般光纤光栅无法比拟的光纤光栅非均匀温变传感器以及对温变呈梳状反映的传感器。
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