The monitoring and alarming system of slope based on distributed optical fiber grating is presented.
提出了一种基于分布式光纤光栅的边坡监测与报警系统。
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。
Optical fiber grating sensors based on optical fiber grating technology have become the focus in sensors study field.
以光纤光栅技术为基础的光纤光栅传感器已经成为传感器研究领域中的一大热点。
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。
The infrastructure study is very important, when optical fiber grating is embedded in composite materials for structure health monitoring.
为了使光纤光栅传感器埋入到复合材料中，对结构进行健康监测，其基础研究尤为重要。
This paper studied the new method of the polymer packaging grating to improving the optical fiber grating stress sensing sensitivity coefficient.
对提高光纤光栅压力灵敏度系数的聚合物封装光栅的新方法进行了研究。
The feasibility of testing rock deformation by the optical fiber grating technology is verified in this paper. The drift can reflect the deformation.
本论文通过实验验证了光纤光栅技术在测试岩层变形时的可行性，波长的偏移可以反映模拟岩层的变形规律。
Among the tunable filter technologies of optical fiber grating sensors, the peak method is an usual way, but it has poor precision and the result is unstable.
在光纤光栅传感悬臂梁调谐滤波技术中，峰值法进行波长检测误差大，精度低，测量结果不稳定。
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 basic principles of multi-parameter tunable optical fiber grating wavelength tuner based on stress, displacement, space angle are analyzed and relative experimental researches are performed.
在模拟分析的基础上，设计了一种基于应力、位移、空间角度的多参数可调谐的光纤光栅波长调谐器，并进行了实验验证。
The dispersion effect of optical fiber grating is one of the most important characters which not only limits its application range but also become a promising dispersion compensation technology.
光纤光栅的色散不仅影响到光纤光栅本身的使用范围，更作为一种属性成为色散补偿的重要方法。
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。
Fiber grating is important passive component in modern fiber optical communication.
光栅光纤是现代光纤通信领域里非常重要的无源器件。
Fiber Bragg Grating (FBG) is one of the most potential and typical optical passive components at present.
传感器是目前最有发展前途、最具代表性的光纤无源器件之一。
Controlled by an optical switch, a fiber Bragg grating sensing system based on spatial division multiplexing is developed under a broad-band source illumination.
介绍了一种光纤光栅空分复用传感系统，并将光纤光栅的传感特性应用于结构健康检测系统中。
An optical pulse compressor using a normal dispersion fiber combined with a linearly chirped fiber grating (instead of a block grating pair) is proposed.
本文提出了利用正常色散光纤加线性啁啾光纤光栅组成全光纤光脉冲压缩器方案。
More and more increasing application shows that the fiber grating has become the most promising and representative one of the optical passive devices.
日益增多的应用成果表明，光纤光栅已成为目前最有发展前途、最具有代表性的光纤无源器件之一。
Common gain equalizers include standard optical filter, medium multi-layer thin film filter, fiber grating, and planar waveguide.
现在使用的增益均衡器主要有标准光滤波器、介质多层薄膜滤波器以及光纤光栅和平面光波导等。
Pseudo slant fiber Bragg grating, multiple series fiber Bragg grating, optical fiber type coupler and optical connector.
准倾斜光纤布拉格光栅，复联光纤布拉格光栅，光纤型耦合器和光连接器。
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。
Fiber grating is a kind of new optical devices which are playing important roles in optical communication and optical sensors.
光纤光栅是一种新兴的光学器件，在光纤通信和光纤传感器等方面有着重要应用。
Emergence of ultroviolent rays written fiber grating brought a great jump to optical fiber communication, and photosensitive fiber is its basis.
光纤光栅的出现是光纤通信的一次巨大飞跃，而光敏光纤是写入光纤光栅的基础。
An optic fiber grating diffraction screen is developed by use of optical diffraction. Combining with computer neural network, a vision system for recognizing stereo shape is developed.
利用光学衍射原理，研制成了光纤光栅衍射屏，并与计算机神经网络相结合，开发了一种识别立体形状的视觉系统。
Long period fiber grating (LPFG) is a new kind of optical fiber element.
长周期光纤光栅是一种新型光纤器件。
Fiber grating is a new kind of fiber device, it has many important applications in optical fiber telecommunications, optical fiber sensors etc.
光纤光栅是一种新型的光纤器件，在光纤通信和光纤传感等领域有重要的应用。
The effect of tilt on optical transmit characteristics in fiber grating, so on optical communicational characteristics.
倾斜光纤光栅对其中的光学传输特性会产生影响，从而影响光通信性能。
Optical fiber smart metal structures can be formed by embedding fiber Bragg grating (FBG) sensors into the metal matrix can.
将光纤布拉格光栅(FBG)传感器埋入金属结构内部可以获得光纤智能金属结构。
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。
At the present time, the mainstream optical filter techniques including dielectric thin-film filter, array waveguide (AWG), Fabry-Perot (F-P) filter, fiber Bragg grating (FBG).
目前主要滤波技术有薄膜干涉滤波器、阵列波导光栅(awg)和光纤布拉格光栅(FBG)。
At the present time, the mainstream optical filter techniques including dielectric thin-film filter, array waveguide (AWG), Fabry-Perot (F-P) filter, fiber Bragg grating (FBG).
目前主要滤波技术有薄膜干涉滤波器、阵列波导光栅(awg)和光纤布拉格光栅(FBG)。
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