Optical fiber sensing technology is applied in internal strain measurement of braided composites.
研究了光纤传感技术在编织复合材料内部应变检测中的应用。
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.
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。
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.
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。
The part of optic paths includes optical fiber strain sensor, lamp-house, optical fiber coupling instrument and light dispersion equipment.
光路部分包括光纤传感器、光纤、光源、光纤耦合器以及设计的解调光路部分。
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades proof testing strain is given.
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。
The measurement of tensile strain distribution of optical fiber is very necessary to guarantee the long-term reliability of optical cable.
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 shift of reflective wavelength of one FBG under external strain is translated into a change in time interval of the optical pulse from another FBG drived by a PZT plate.
在外界拉力下一个光纤布拉格光栅反射波长的漂移被转变成从另一个被压电陶瓷片调制的光栅反射的光脉冲间隔的变化。
Based on the theory of Fabry-Perot, the influence of light source on optical fiber F-P strain sensor system has been analyzed.
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。
It is determined through experimental analysis that the resistance of an optical fiber is taken interim as standard of air sealed carbon coating optical fiber for 2 % -strain screening.
通过实验分析确立了把光纤电阻作为衡量气密性碳涂覆光纤通过2%应变筛选的过渡标准。
Some examples on optical engineering are provided to illustrate its different applications on stress analysis, strain analysis and dynamic analysis etc.
结合几个光学工程的设计实例，概括了有限元法在光学系统结构应力分析、形变分析和动态特性分析等方面的应用。
It utilized the microbend loss resulting from optical fiber bending to measure the change of environmental parameters, such as pressure, temperature, acceleration, strain and flow.
光纤微弯传感器是一种强度调制式光纤传感器，它是利用光纤的微弯损耗效应来测量压力、温度、加速度、应变、流量等环境参量的变化。
Combined with the essential principle of the optical fiber strain sensor, we describe the optical-fiber strain sensor technology in detail.
结合光纤应力传感的基本原理，对目前采用的主要几种光纤应力传感技术进行了详细的介绍。
The test results show that the luminous intensity of hollow center optical fiber changes obviously with the strain of the sheet.
测试结果表明，空心光纤随薄板材料形变输出光功率发生明显的变化。
Distributed optical fiber Raman photonic sensor (DOFRPS) system is an optical fiber network used for the real-time measurement of temperature field, strain field and pressure field in the space.
分布光纤喇曼光子传感器(D O F R P S)系统是一种实时测量空间温度场、应力场和压力场的光纤网络系统。
This paper studies the principle, method and system of optical fiber strain sensor, and comments on various projects of optical fiber strain sensor technology.
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。
Based on the phenomenon of the frequency shift in Brilluion back-scattering light related to the strain of the optical fiber, a new strain sensing scheme is proposed.
根据光纤中的布里渊散射附加频移与光纤所受的拉伸应变有关的特性，推导了附加频移与应变间的线性关系。
Based on the principle of elasticity and strain misfit, a new calculation method of theoretical model to predict the residual stress distribution on optical thin films is put forward in this paper.
根据弹性力学原理，基于应变不匹配，提出了一种可以预测薄膜残余应力分配的理论模型计算方法，并将计算结果与干涉仪测量值进行了对比。
Finally, the problems in the design of optical fiber strain sensor modem and the further research direction and measure are pointed out in this paper.
本文最后指出了调制解调系统和光纤传感器存在的问题和进一步研究的方向和措施。
Finally, the problems in the design of optical fiber strain sensor modem and the further research direction and measure are pointed out in this paper.
本文最后指出了调制解调系统和光纤传感器存在的问题和进一步研究的方向和措施。
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