Firstly, the fibre grating sensor is simplified as a symmetric structure with the fibre core covered by the coating layer; 首先,将光纤光栅传感器简化为由保护层包裹着中心的光纤纤芯轴对称结构;
In the latter chapter the theory, the function and the application of the optical sensor, the photoelectric sensor, the optical fibre sensor and the biological sensor are introduced. 传感器篇介绍光学传感器,光电探测器,光纤传感器、生物传感器等的原理、功能特性、应用等方面的内容。
A kind of concentration sensor is made out based on long-period fiber grating with one head, and resolution values are improved by coating silver film and reducing fibre cladding. 利用长周期光纤光栅对环境折射率敏感的特性,设计制作了一种基于单端长周期光纤光栅的新型浓度传感器,并采用单端镀银、减小光栅区包层等措施提高了分辨率。
An experiment on temperature sensor with curved single mode fibre 弯曲单模光纤温度传感实验
A simple sensor is made from the intellect gel~ PDA-C12, which is insensitive to temperature, SM fibre and MM fibre, the correspondence between optical loss and concentration is measured, the results of both sensors are compared; 利用对温度相对不敏感的智能水凝胶PDA-C12,多模光纤和单模光纤分别制作了简易探头,测量了光强损耗与溶液浓度的对应关系,将二者的实验结果作了对比;
Adopting property-improved siloxane polymer material to coat the optical fibre Bragg grating pressure sensor, the coupling behavior between coated material and optical fibre Bragg grating can be effectively upgraded. 扯断伸长率增加了30%.用改性后的硅氧烷聚合物材料封装光纤Bragg光栅(FBG)压力传感器,可有效改善封装材料与光纤光栅的耦联性能;
The quantitative mathematical relationship, fibre sensor structure and the system design of FM-1 microcomputer-ized optical fibre iodine detector are described. 本文介绍了FM-1型光纤微机测碘仪定量数学关系,光导纤维传感器结构及仪器系统设计。
According to the interfering theory of lightwave, on the basis of analysing the defects of the optical fibre face roughness sensor in existence, a new type laser glass fibre face roughness sensor is designed provids a new non contact method to measure the face roughness of workpiece. 根据光波的干涉原理,在分析了现有光纤表面粗糙度传感器某些缺陷的基础上,设计了新型干涉型激光-光纤表面粗糙度传感器,为新型非接触式表面粗糙度测量提供了新方法。
A novel fibre optic sensor integrating an in fibre Bragg grating ( FBG) and an extrinsic Fabry Perot interferometer ( EFPI) in series, used for simultaneous static strain, temperature and vibration measurement, is presented in this paper. 本文介绍了集成式Bragg光纤光栅(FBG)和非本征型Fabry-Perot干涉腔(EFPI)复合传感器的结构及应用该传感器同时测量静态应变、温度和振动的原理。
This paper presents a robot slip sensor based on optic fibre sensor of external light strength modula-tion type. 本文介绍作者提出的一种以光强外调制型光纤传感器为基础的滑觉传感器。
In order to meet the requirements for the detection of flammable and explosive continuous liquid level, based on the principle of static liquid pressure, we developed a liquid sensor by using optical fibre Fabry-Perot cavity interferometer. 为了适应易燃易爆液位检测的需求,我们利用液体压力测量液位的原理,提出一种光纤法布里-珀罗(F-P)腔连续型液位传感器。
This paper introduces the basic principle of optical fibre sensor, summarizes the promotion function of optical fibre sensor for traditional instrument and gauge industry and points out the problems existed in optical fibre sensor research and the developing trend. 介绍了光纤传感器的基本原理,总结了光纤传感器对传统的仪器仪表工业的促进作用,指出了光纤传感器研究中存在的问题及发展趋势。
A simple displacement sensor based on three fibre-optic bundles is described Using the balanced detection method, the influence of the enviro-mental perturbation such as the power fluctuations of light source, change of reflection coefficent of target surface, and fibre bend attenuations can be eliminated or decreased. 本文介绍一种由三组光纤束以同轴方式构成的光纤位移探头,采用差动补偿检测方法,可消除光源强度波动、被测表面反射率变化、光纤传输损耗变化等因素的影响。
This paper describes the designing principle, structure, performance test and analysis of GaAs temperature sensor with a single-chip computer and optic fibre which is used to measure the cancer temperature in clinic of microwave or radio-frequency hyperthermia. 从设计原理、结构、性能测试与分析几方面,介绍了一种电磁波加温治癌中测温用的单片机GaAs光纤温度传感器。
Based on the principle that the band gap of semiconductor GaAs can be varied with temperature, a reflex optical fibre sensor using a single optical fibre for bidirectional transmission of optical signal is studied. 本文根据半导体GaAs材料带隙随温度变化的原理,对采用单根光纤作双向传输光信号的反射光纤温度传感器进行了试验研究。
Based on dSPACE, a gait phase measuring system with a sole sensor and a fibre sensor is constructed. The sole sensor is imposed of 4 pieces of force sensitive resistors and a position sensor. The fibre sensor is used for measuring the bend of the legs. 基于dSPACE构建了人体步态相位检测系统,传感器采用鞋底传感器和1个光纤传感器,鞋底传感器由4只电阻式力传感器、1只位置传感器构成,用光纤传感器测量腿部的弯曲。
A Micro Needle-Concentric pH Sensor Based on Polyaniline-Modified Carbon Fibre 聚苯胺修饰碳纤维针型复合微pH传感器
The limitation of traditional temperature sensor in high temperature measurement is introduced. A new nonmetal temperature sensor& graphite fibre thermoelectric couple is put forward, and the characteristic of sensor, machining manner, and application environment are presented. 介绍了高温测量中传统温度传感器的缺陷,提出了一种新型的非金属温度传感器&石墨纤维热电偶,并对该传感器的特性、加工方式、应用环境进行了分析。
It is mainly about the calculation and detection of the creep collapse in the concrete structure and the stress monitoring survey wrought of Chongqing CAI-YUAN-BA bridge, developed a new fashioned sensor which was based on the carbon fibre resin group composite and applied the sensor to the practice. 论文紧密结合工程实际,着重研究了混凝土徐变的计算和检测以及重庆菜园坝长江大桥的应力监测工作,研制了一种新型的碳纤维/树脂基复合材料传感器,并将这种传感器应用于实践。
This paper has summed up the composition, principle, type and characteristic of the optic fibre Bragg grating sensor ( FBG), and has introduced the present research in the hydroelectric projects of the optic fibre Bragg grating sensor and the use instances at home. 押概述了光纤Bragg光栅传感器(FBG)的组成、原理、类型及特点,介绍了目前光纤Bragg光栅传感器在水电工程中的研究以及国内应用实例。
The micro needle-concentric pH sensor was constructed by inserting the polyaniline-modified carbon fibre electrode in the needle reference electrode obtained above. 把经聚苯胺修饰的碳纤维电极安置入该针型参比电极内构成复合针型微pH传感器。
Influence of the Linear Birefringence in the Optical Fibre on the Output Signal of Current Sensor with the Highly-Circularly-Birefringent Fibre 线双折射对高圆双折射光纤电流传感器输出信号的影响
White-light interference strain optical fibre sensor and temperature optical fibre sensor applicable to concrete structure have been developed successfully. 成功研制了适用于混凝土结构的埋入式白光干涉型(F-P)光纤应变传感器和光纤温度传感器。