Research on Dynamic Demodulating Technique for Fiber Grating Sensor System.
一种光纤布拉格光栅动态解调系统的研究。
Firstly, the present situation and development of fiber and fiber grating sensor technique are reviewed.
首先对光纤光栅传感器的研究现状和发展趋势进行了回顾和展望。
Optic fiber grating sensor demodulation using over coupled coupler experiment is carried on and good response is obtained.
利用该过耦合器组成的检测系统对光纤光栅传感器进行解调,得到了较好的响应。
Analyzed the conditions applying for the dynamic strain measurement of fiber grating sensor, and did some correlative experiments.
分析了适用于动态应变测量的光纤光栅传感器所应满足的条件,并进行了相关实验。
The GM8037 high resolution fiber grating sensor interrogating system is a PC-based, compact sized, high accurate, big dynamic range FBG sensors interrogating system.
GM8037高分辨率光纤光栅传感器解调仪是一个PC机控制的、大功率,高精度、大动态范围的光纤布拉格光栅传感器解调系统及高精度的光谱分析系统。
Focusing on meeting the actual demand, this research made use of fiber grating sensor that is corrosion-resistant and safe intrinsically to achieve new flow measurement system.
本课题针对实际需求,研究采用本质安全、耐腐蚀的光纤光栅传感器实现新型的流量计量系统。
Through the theoretical study and experimental analysis, we can find that fiber grating sensor has many unique advantages compared with traditional mechanical and electrical sensors.
通过理论研究和实验分析可以看出,与传统的机电式传感器相比,光纤光栅传感器具有许多独特的优势。
Fiber grating sensor has potentially a low cost, strongly multiplexing capabilities and easily form all kinds of Fiber Sensing net, so it is specially suited for multipoint measurement.
由于光纤光栅传感器潜在的低成本、复用能力强,便于构成各种形式的光纤光栅传感网络,因此它特别适合多点测量。
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。
By the fiber grating as temperature sensor, the on-line monitoring system of temperature for the contact inside the high voltage switchgear was put forward.
采用光纤光栅作为温度传感器,提出了测量高压开关柜内接头温度的在线监测系统。
Optic fiber-grating sensor has many unique advantages and is one of the widely-applied sensors in recent years.
光纤光栅传感器具有许多独特优点,是近年来应用较多的一种传感器。
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。
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。
According to the demarcation experiment result the strain of the magnet at different operating currents is measured using the Fiber Bragg Grating strain sensor.
数值模拟出了磁体在不同运行电流时的应力与应变值,并且运用光栅布拉格光栅传感器对磁体在不同运行电流时的应变进行了测量。
By a simple sensor system and the intensity demodulation method of matched fiber Bragg grating, the fiber Bragg grating strain sensor is studied theoretically and experimentally.
采用一种简单的传感装置和匹配光纤光栅强度解调的方法,对光纤光栅应变传感进行了理论分析和实验研究。
Wavelength-shift detection is the key technology of fiber Bragg grating sensor.
光纤光栅波长移位检测技术是光纤光栅传感器的关键技术之一。
A novel demodulation method of fiber Bragg grating sensor is presented.
光纤光栅作为一种新型的传感器件,有着巨大的应用价值。
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。
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。
Fiber Bragg Grating sensor networks were used to monitor root type caisson foundation strain parameters during a destructive static load test.
应用光纤光栅传感网络测量桥梁根式沉井在破坏性静载荷实验中的应力变化。
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。
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。
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。
A novel high-voltage current fiber Bragg grating sensor is proposed.
提出了一种新型的光纤光栅高压电流传感器。
We designed and produced a fiber grating vortex Flow sensor system, including sensor package flange, uniform intensity cantilever, vortex generating body et al and other critical sensing units.
设计并制作了光纤光栅涡街流量传感系统,包括传感器封装法兰、等强度悬臂梁、涡街发生体等关键传感单元。
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。
The fiber grating sensing system consists of four parts, Broadband Light-source, FBG/LPG based sensor, Signal demodulation section and Signal process section.
光纤光栅传感系统一般包括光源、传感器(光纤光栅)、光路解调部分、数据采集分析终端等部分。
The fiber grating sensing system consists of four parts, Broadband Light-source, FBG/LPG based sensor, Signal demodulation section and Signal process section.
光纤光栅传感系统一般包括光源、传感器(光纤光栅)、光路解调部分、数据采集分析终端等部分。
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