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。
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 results indicate that the confinement of fiber sheet can increase the compressive strength and ultimate strain of reinforced concrete column remarkably.
结果表明：纤维布包裹加固钢筋混凝土柱的轴心抗压承载能力和极限应变明显提高；
An array sensing technique of fiber grating for the dynamic strain measurement is demonstrated in this paper.
研究了一种用光纤光栅测量动态应变的阵列传感技术。
A novel technique for fiber Bragg grating sensing demodulation is introduced in order to judge axis strain of sensing fiber Bragg grating.
为判断作用在传感光栅上的轴向应变，提出了一种光纤光栅应变传感解调新方法。
A novel fiber strain sensor based on the fiber laser's transient regime is reported.
报道了一种基于掺铒光纤激光器瞬态特性的新型应变传感系统。
The notch sensitivity of HSC and steel fiber reinforced HSC and the strain field of HSC reinforced with steel fibers ahead of the crack tip have been analyzed.
分析了钢纤维高强混凝土和普通高强混凝土的缺口敏感性以及钢纤维对高强混凝土裂缝前缘应变场分布的影响。
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 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。
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。
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.
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。
The applied results indicate that fiber grating strain sensors are effectively able to monitor the tension status about reinforced concrete bowstring arch bridge.
应用结果表明，光纤光栅测力传感器可有效监测钢管混凝土系杆的受力状况。
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。
The strain_stress variation measuring experiments of steel_cable_stayed bridge model under loading condition were done by using fiber optic strain sensing instrument.
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 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 fiber strain sensor system is introduced, ways of signal process, multithread, high precision timing are adopted to meet the requirement of real time.
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。
Effect of adding dietary fiber on the breaking strength and breaking strain of fresh water fish surimi gel was investigated .
研究了添加膳食纤维对白鲢鱼糜凝胶破断强度和凹陷度的影响。
In theoretical investigations, elastic strain energy method, fiber inclination model, three cells model and finite element model etc. are introduced.
在理论研究方面，介绍了弹性应变能法、纤维倾斜模型、三细胞模型和有限元模型等工作。
Based on the direct tension test, the characteristics of tension stress-strain full curves of steel fiber reinforced self-stressing concrete were investigated.
通过直接拉伸试验研究了不同自应力等级下的钢纤维自应力混凝土的受拉应力-应变全曲线特征。
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。
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。
In this paper, we study the function between the coupling ratio of the single mode fused optic fiber coupler and the strain via cantilever.
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。
We assess the feasibility of fiber optic sensors as structurally integrated components for short and long-term strain monitoring under rough environmental conditions.
评估了光纤传感器作为完整的结构部件在恶劣的环境条件下，进行长期或短期应变监测的可行性。
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。
With the strain increasing compression fiber texture ( fiber texture) tends to sharper, predictions of texture development are well accord with the EBSD measured results.
随着真应变的增加，压缩丝织构（织构）趋于锋锐，模拟结果与EBSD试验测得的织构演化结果能较好地吻合。
The effect of tensile strain on electrical resistance of continuous carbon fiber monofilament was investigated in this paper.
研究了连续碳纤维单丝的应变电阻效应，分析了在拉应力作用下其电阻率的变化规律。
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。
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。
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。
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。
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