采用光纤应变测量仪对桥梁钢索的应力应变在载荷情况下的变化进行了实验研究。
The strain_stress variation measuring experiments of steel_cable_stayed bridge model under loading condition were done by using fiber optic strain sensing instrument.
探讨了光纤应变传感器的埋入工艺研究,重点探讨改进型金属保护座埋入工艺研究。
The embedding technology study of fiber optic strain sensor has been probed, and the emphasis is the modified packed embedding technology.
研究了一种用于大型工程结构应变、变形状态监测的基于光时域反射技术的分布式光纤应变传感系统。
A distributed optic fiber type strain sensing system based on optical time domain reflectometer and used for monitoring large scale structural strain and deformation state is studied in the paper.
本文分析讨论了光纤应变传感技术的原理、方法及系统。并就各种光纤应变传感技术的方案进行了评述。
This paper studies the principle, method and system of optical fiber strain sensor, and comments on various projects of optical fiber strain sensor technology.
通过对光纤应变,光缆传输特性的分析和研究,结果表明,带状光缆特性受光纤带宽度和盘外径的影响。
We got the results through analysis and study of cable's transmitting character:The character of cable was affected by the width of fiber ribbon and diameter of reeler.
介绍了光纤应变测试系统,采用信号处理、多线程、高精度定时等处理方法,满足了对系统实时性的要求。
The fiber strain sensor system is introduced, ways of signal process, multithread, high precision timing are adopted to meet the requirement of real time.
本文在分析研究了现有的光纤应变传感技术的基础上,提出了基于光时域反射技术的缠绕式光纤应变传感系统。
Based on analysis of domestic and foreign study actualities on fiber-optic strain sensor-based system, a new winding fiber-optic strain sensing technique based on OTDR is presented.
介绍了耦合型光纤应变传感器的工作原理,分析了耦合型光纤应变传感器的设计和应用于汽车动态称重的方案。
The design of coupling fiber-optic strain sensor was presented in the paper, and the scheme of coupling fiber-optic strain sensor used in vehicle dynamic weighting was discussed at the same time.
通过微位移架上的位移测量实验与悬臂梁上的应变测量实验,结果表明该光纤应变片提供了同时适合于应变与形变的检测方式。
The measuring results for the micro displacement and the strain indicate that the optic fiber strain gauge offers a monitoring method both strain and distortion.
介绍了布里渊光时域反射计(BOTDR)的分布式光纤应变测量原理,并应用BOTDR技术对钢筋混凝土T型梁加载后的应变分布进行了测量。
The principle of Brillouin optical time domain reflectometer (BOTDR) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied.
利用啁啾光纤光栅的应变调谐技术,通过闭环自动控制色散补偿量的方案,研制出了一种新型的光纤光栅动态色散补偿仪。
A new fiber grating dynamic dispersion compensator is developed by using the stain-tuning technology of the chirped fiber grating and the close-loop controlling scheme.
通信光缆拉伸应变分布测量对于保证光纤通信线路的长期可靠性具有十分重要的意义。
The measurement of tensile strain distribution of optical fiber is very necessary to guarantee the long-term reliability of optical cable.
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。
A new practical technology for separately sensing of strain and temperature using a single fiber Bragg grating (FBG) is proposed and demonstrated.
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。
Analyzed the conditions applying for the dynamic strain measurement of fiber grating sensor, and did some correlative experiments.
研究了一种用光纤光栅测量动态应变的阵列传感技术。
An array sensing technique of fiber grating for the dynamic strain measurement is demonstrated in this paper.
从多光束干涉的基本原理出发,分析了光源光谱对光纤法布里珀罗应变传感系统的影响。
Based on the theory of Fabry-Perot, the influence of light source on optical fiber F-P strain sensor system has been analyzed.
本文利用悬臂梁对单模熔锥光纤耦合器的耦合比与应变的关系进行了研究。
In this paper, we study the function between the coupling ratio of the single mode fused optic fiber coupler and the strain via cantilever.
介绍了一种基于光纤布拉格光栅(FBG)应变敏感特性的金属锈蚀传感器。
By using the strain-sensitive characteristics of fiber Bragg gratings(FBG), a metal corrosion sensor is proposed and demonstrated in this paper.
报道了一种用一根光纤光栅实现温度与应变同时测量的传感方案。
A new approach for simultaneous strain and temperature measurement using a single fiber Bragg grating has been reported in this paper.
用于同时传感温度与应变的光纤光栅写于两种不同光纤的连接处,本身具有两个反射峰。
The fiber Bragg grating used for simultaneous measurement of strain and temperature was written on the joint of two different fibers, and has two reflection peaks at different wavelength.
研究了粘贴式光纤布拉格光栅应变传感器对柔性梁的动态响应特性,并用压电陶瓷加速度传感器作对照。
Dynamic strain of flexible beam was measured by pasted FBG strain sensor, and the results were compared with that by acceleration sensor of piezoelectric ceramic.
当输入为单波长信号光时,可以通过测量探测器输出的电信号来获得光纤光栅所承受的温度和应变信息。
The amount of the temperature or strain imposed on this device was obtained by measuring the electric signals changing with the shift of resonant wavelength.
光纤法-布(F-P)应变传感器具有稳定性好、精度高、抗电磁干扰能力强等特点,在桥梁结构状态监测中得到日益广泛的应用。
With the advantages of good stability, high precision and good electromagnetic resistance, the Fabry-Perot(F-P) strain sensor get increasing applications in the bridge structure status monitoring.
应变测量系统主要由光源、传感光纤、光电探测器和信号处理电路组成。
The above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit.
基于光纤法珀应变传感器的基本原理,阐述了两只光纤法珀应变传感器并联条件下的组合输出信号。
It analyses the output intensity of two parallel multiplexed fiber Fabry-Perot strain sensors, based on the principle of the fiber Fabry-Perot strain sensors.
其次,设计了分布式光纤光栅温度、应变测量系统。
Second, temperature and strain measurement system of distributed FBG is designed.
最后,对筛选试验后的光纤寿命进行了估算,给出了光纤经三个等级的筛选应变后的寿命设计图。
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades proof testing strain is given.
提出了一种新型PZT的动态调制光纤光栅应变力测量技术。
A new type technology of dynamic PZT modulation with fiber grating is proposed.
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。
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。
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.
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