By using the wavelength encoding characteristic of fiber Bragg grating (FBG), a new kind of distributed FBG pressure sensor was introduced to achieve the train real time tracing.
介绍了利用光纤光栅(FBG)波长编码的特点,采用新型分布式FBG传感实现高速列车实时追踪。
A process for plating metal on fiber Bragg grating(FBG)to protect the fiber grating is put forward.
提出一种在布拉格光线光栅(FBG)表面电镀金属的方法,以达到保护光纤光栅的目的。
This paper proposes a new humidity sensing method, together with the design of humidity sensor and the measuring system based on Fiber Bragg Grating(FBG)strain sensing.
基于光纤布拉格光栅(FBG)的应力传感特性,提出了一种湿度传感方法,给出了湿度传感器的设计和实验测量系统。
A new practical technology for separately sensing of strain and temperature using a single fiber Bragg grating (FBG) is proposed and demonstrated.
报道了一种新型实用的用单根光纤布拉格光栅(FBG)实现温度和应变分离传感的技术。
The influence of the second coating on the fiber Bragg Grating(FBG) temperature sensitivity is researched.
系统研究了二次涂敷封装方案对光纤光栅(FBG)温度特性的影响。
In order to explore the temperature sensitivity of fiber Bragg grating (FBG) in smart metal structure, the stress and strain of FBG under temperature variation must be analyzed.
为了探索光纤智能金属结构中光纤布喇格光栅(FBG)的温度灵敏度,必须对温度变化时光纤智能结构中fBG所受的应力应变进行分析。
A novel fiber Bragg grating (FBG) sensor based on spoke-structure pressure box by utilizing FBG as the element sensing component is presented.
利用光纤光栅(FBG)作为基本传感元件,研制了一种基于轮辐式压力盒装置的FBG压力传感器。
An edge filter demodulation of fiber Bragg grating (FBG) displacement measuring scheme using long period grating (LPG) is reported and demonstrated.
利用长周期光栅的边缘滤波解调技术,我们报道了一种光纤布喇格光栅位移传感方法。
The spectrum of fiber Bragg grating(FBG) in inhomogeneous strain fields is distorted due to its inhomogeneity of both the periods and the effective refractive index.
当非均匀应变场作用在光纤布拉格光栅(FBG)上时,由于FBG周期和有效折射率在沿FBG长度方向都为变量,所以会导致光谱形状的变化。
A novel fiber Bragg grating (FBG) accelerometer with high resonant frequency and its theoretical analysis and experimental research are presented.
提出了一种新型的高频响应光纤光栅加速度传感器,并进行了理论分析和实验研究。
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。
A novel approach for simultaneous measurement of temperature and pressure using a single fiber Bragg grating (FBG) based on reflected waves broadened bandwidth is proposed and demonstrated.
报道了利用单光纤布拉格光栅反射波带宽展宽技术实现温度与压力同时区分测量的新方案。
A new refractive index sensing scheme based on the cladding modes of fiber Bragg grating (FBG) is presented.
提出了基于光纤布拉格光栅(FBG)包层模式的折射率传感方案。
The thesis focuses on the study on interrogation of fiber Bragg grating (FBG)sensors with a broadband source.
论文主要研究基于宽谱光源的光纤光栅传感器的解调技术。
The fiber Bragg grating (FBG) sensor has widely used in the structural health monitoring because of its anti-electromagnetic interference, light weight and multiplexing.
光纤布喇格光栅(FBG)传感器因其具有抗电磁干扰,质量轻,可多路复用等优点,在结构健康监测领域有广泛的应用前景。
The technologies of fiber Bragg grating (FBG) strain sensors and temperature sensors have got further mature, but the FBG inclination sensors are still in initial stage.
光纤光栅应变、温度传感器已相当成熟,而光纤光栅倾角传感器还处于探索阶段。
The principle and performance of fiber optical Bragg grating (PBG) are briefly presented, the manufacturing method of FBG is given.
本文简要介绍光纤布喇格光栅(FBG)的原理及性能,并给出f BG的制作方法。
Accurately measuring the shift of wavelength is the key technique for sensors based on fiber Bragg grating (FBG).
波长漂移量的精确检测是光纤光栅(FBG)传感器的关键技术。
Based on the strain, vibration and impact features of fiber Bragg grating (FBG) sensors, a fiber-optic intrusion alarm system using quasi-distributed FBG sensors is developed.
根据FBG传感器的应变、振动和冲击特征,报道了一种基于准分布式fbg传感器的入侵报警系统。
A new demodulation method of fiber Bragg grating (FBG) sensing signal, which is by making use of the monotonic decline section of an amplified spontaneous emission (ASE) light source, is proposed.
提出一种利用放大的自发辐射(ase)光源的单调下降边带对光栅光纤传感器进行解调的新方法。
A novel dual-wavelength fiber Bragg grating (FBG) fabricated by using photosensitivity is experimentally demonstrated.
提出了一种基于光纤光敏性制作双波长布喇格光栅的新方法。
This article introduced the technology of Fiber Bragg grating (FBG) sensing, the characteristics of temperature, the demodulation techniques, and the selections of photosource.
介绍光纤布拉格光栅(FBG)传感技术、温度特性、解调技术、光源的选择。
This paper reports a digital demodulation scheme for interrogating fiber Bragg grating (FBG) sensors based on a real-time calibration technique.
报道了一种采用实时校准技术的数字化光纤光栅传感解调方案。
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)。
Long period fiber grating (LPG) is designed as the filter component of edge linear filtering demodulation system for fiber Bragg grating (FBG) temperature sensor.
长周期光纤光栅是特定波长范围内的线性滤波器件,该文设计了长周期光纤光栅解调的布拉格光纤光栅温度传感系统。
In order to overcome these disadvantages, a new design is stated that fiber Bragg grating sensor (FBG) is adopted to monitor the stress and strain of anchor in this paper.
针对这一现状,提出了将光纤光栅传感技术应用于锚索应力、应变监测的新方案。
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 structure design of a fiber Bragg grating (FBG) sensor based on the C-shaped elastic tube has been put forward.
设计了一种基于C形弹性管的光纤布喇格光栅传感结构。
Rock deformation process can be tested by using the fiber Bragg grating (FBG) surface pasting method.
岩石变形过程可以通过光纤光栅的表面粘贴法进行检测。
Study on encapsulating method of FBG (fiber Bragg grating) temperature sensor has significant value for the application of FBG in temperature sensing.
封装方法的研究对于光纤光栅应用于温度传感有着重要的意义。
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