1) fiber Bragg grating
光纤Bragg光栅
1.
A differential fiber Bragg grating settlement gauge;
差动式光纤Bragg光栅沉降仪
2.
Development of a portable wavelength demodulation instrument for fiber Bragg grating;
便携式光纤Bragg光栅波长解调仪的研制
3.
Research on the detection of fiber Bragg grating array using optical time domain reflection technology;
光纤Bragg光栅阵列的光时域反射探测技术研究
2) fiber Bragg grating(FBG)
光纤Bragg光栅
1.
To test the deformation of similar material in simulation experiments,the testing method was presented with naked or certain structure fiber,or fiber Bragg grating(FBG) embedded in rock layers of models based on optical time domain reflectometer(OTDR) and optical fiber grating sensing technology.
为了解决相似材料模拟实验中的变形检测问题,基于光时域反射技术和光纤光栅传感技术,提出了在模拟实验中采用裸露光纤、一定结构光纤及光纤Bragg光栅作为传感器进行变形检测的方法,研究并分析了以上类型光纤传感器在1。
2.
Packaged optical fiber Bragg grating(FBG) strain gauge with good properties of high durability,low cost and reliable installation is in the great need of practical long-term structural health monitoring(SHM) system for civil infrastructures,especially for those under harsh construction and service environment,such as corrosion,high fatigue,etc.
为了适应量大面广的重大土木工程结构的长期健康监测,特别是克服恶劣的施工与服役环境(如,腐蚀、疲劳等),封装的光纤Bragg光栅(FBG)应变计不仅必须要有很好的测试精度、布设可靠等特性,还必须具有优越的性价比。
3.
On the basis of introducing the basic principle and advantages of fiber Bragg grating(FBG)sensing technology,the layout schemes of FBG and temperature compensation technology in the Bainijing Tunnel No.
在阐述光纤Bragg光栅(FBG)传感技术的工作原理和优点的基础上,以昆明白泥井3#隧道为实例,提出FBG传感器在隧道内的铺设方案及温度补偿技术。
3) FBG
光纤Bragg光栅
1.
Because of the imperfections of Conventional Peak Detection(CPD) technique,Spectrum Correlation(SC) and Digital Filter(DF) techniques are proposed,which can be applied to improve the detection precision of the wavelength shift in Fiber Bragg Grating(FBG) sensor systems.
针对峰值检测法的不足,提出了频谱相关技术和数字滤波技术,以提高光纤Bragg光栅(FBG)传感系统波长偏移检测精度。
2.
In this paper, a new kind of weighbridge using sensing properties of FBG being developed.
本文研究了一种基于光纤Bragg光栅的新型称重系统,通过反复的试验,结果表明基于光纤光栅的称重传感器具有结构简单、实施方便、精度高、耐久可靠而且造价不高等优点,可取代传统地秤用于路桥车辆称重或长期检测,具有很好的应用前景。
3.
The gain linewidth of semiconductor laser (LD) is very wide, and fiber Bragg grating (FBG) external cavity semiconductor laser (FBG-LD) has many advantages such as narrow linewidth, high stable frequency and high side mode suppression ratio (SMSR), etc.
半导体激光器(LD)具有很宽的增益带宽,且光纤Bragg光栅(FBG)外腔半导体激光器(FBG-LD)具有输出线宽窄、频率稳定性高、边模抑制比高等一系列优点,可作为大频差双频激光器的研究对象。
4) fibre Bragg grating
光纤Bragg光栅
1.
The strain and temperature responses of fibre Bragg grating(FBG) are a nalyzed.
分析了光纤Bragg光栅的应变响应原理,通过实验观察光纤光栅粘贴在厚度不均的悬臂梁上产生的双峰响应,证明悬臂梁结构的不均匀会使整个光纤光栅受到不同的应力而产生两个反射峰,并且两个反射峰之间的距离随着应力的增加呈线性变化。
5) FBG(fiber Bragg grating)
光纤Bragg光栅
1.
The temperature sensitivity of bare FBG(fiber Bragg grating) is 10pm/℃.
裸光纤Bragg光栅(FBG)的温度灵敏度约为10pm/℃。
6) Bragg fiber grating
Bragg光纤光栅
1.
From optical wave theory,we derive basic equation of dispersion on Bragg fiber grating, and discuss the characteristics of dispersion compensation and the limits of Bragg fiber grating.
阐明了光纤的色散即脉冲的展宽这一基本概念；从光的波动理论出发，导出了Bragg光纤光栅色散的基本方程；讨论了Bragg光纤光栅的色散补偿特性和它的局限性。
补充资料：Bragg equation
分子式：
CAS号：
性质：在将三维晶格分解为以(h*k*l*)作为(晶面)指标的一组平面格子的基础上，衍射指标为h=nh*，k=nk*、l=nl*(n为整数)的衍射方向相对于晶面(h*k*l*)有类似反射(定律)的关系。但衍射与反射不同之处在于衍射角θhkl需受下列条件的制约，是为布拉格方程2dhh*k*l*sinθhk*nk*nl*=nλ,n=0，±1…。式中λ是X射线波长，dh*k*l*是晶面间距。
CAS号：
性质：在将三维晶格分解为以(h*k*l*)作为(晶面)指标的一组平面格子的基础上，衍射指标为h=nh*，k=nk*、l=nl*(n为整数)的衍射方向相对于晶面(h*k*l*)有类似反射(定律)的关系。但衍射与反射不同之处在于衍射角θhkl需受下列条件的制约，是为布拉格方程2dhh*k*l*sinθhk*nk*nl*=nλ,n=0，±1…。式中λ是X射线波长，dh*k*l*是晶面间距。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条