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。
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。
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。
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。
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。
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。
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。
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 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。
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 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。
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。
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。
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)。
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。
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。
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。
The principle of all-optical switching in fiber Bragg grating (FBG) is illustrated.
阐述了光纤光栅实现光开关的原理。
A high sensitive fiber Bragg grating (FBG) strain sensor with automatic temperature compensation is demonstrated.
证明了一种自动温度补偿高灵敏光纤光栅应变传感器。
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。
According to the spectral feature of the signal generated by the multiplexed fiber Bragg grating (FBG) sensors, image spectrometry is proposed to demodulate multiplexed signal.
根据光纤光栅多传感器复用时信号的光谱特征,提出了采用成像光谱技术对复用信号进行解调的方案。
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。
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 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。
A novel fiber Bragg grating (FBG) with two transmission dips in 1310 - and 1550-nm regions is proposed and inscribed by an infrared femtosecond laser.
利用红外飞秒激光制作了在1310纳米和1550纳米波段有两个峰值的新型光纤布拉格光栅。
Tilted fiber Bragg gratings (TFBGs), a kind of fiber gratings, have many unique advantages in addition to characteristics of ordinary fiber Bragg grating (FBG).
倾斜光纤光栅(TFBG)是光纤光栅的一种,它除了具有普通光纤布喇格光栅(FBG)的特点之外,还有许多独特的优点。
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。
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。
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。
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。
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