Fiber Bragg sensors become research focus of sensing technology,and have been widely used in many applications.This paper proposed a novel Fiber Bragg Grating sensor analyzer based on FPGA (Field Programmable Gate Array) and DSP (Digital Signal Processor) platform,which converted external parameter changes into wavelength shift in fiber Bragg gratings.The system can measure real-time temperature,strain,pressure,displacement and others through key steps including data acquisition,clutter Filtering,signal peak detection,Gaussian curve fitting and weighted wavelength calculation to carry out wavelength demodulation.Moreover,it is able to achieve fault diagnosis and positioning of the fiber link.Experimental results show that the system has advantages of low power consumption,good linearity,strong robustness,high precision and resolution on wavelength demodulation.And the system is still stable and reliable after a long test under different conditions.

关键词：传感器；光纤光栅；FPGA；DSP；实验；波长检测

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This report on Micro Electro-Mechanical Systems (MEMS) describes the development of small, wireless systems to monitor the response of cracks for structural health monitoring on and near transportation related structures. Developed were two types of wireless structural health monitoring (SHM) systems to record characteristics of cracks over long periods of time: Autonomous Crack Monitoring (ACM) and Autonomous Crack Propagation Sensing (ACPS). ACM seeks to correlate changes in widths of cosmetic cracks in structures to nearby blasting or construction vibration activity for the purposes of litigation or regulation. ACPS seeks to track growth of cracks in steel bridges, supplementing regular inspections and alerting stakeholders if a crack has grown. The ever decreasing size and increasing performance of computer technology suggest that expensive, labor-intensive, and intrusive wired SHM systems may be replaced by a similarly capable, easier to install, yet less expensive and intrusive wireless SHM systems based on existing, commercially available wireless sensor networks. The implementation of a wireless SHM system with all the functions of a standard, wired, AC powered system, no requirement for an on-site personal computer for system operation, a small enough footprint such that it will not disturb residents of the instrumented structure, or interfere with the operation of a transportation related structure, a sensor suite that can be operated with minimal power use, and system operation for at least six months without a battery change or any other human intervention, is fraught with obvious and non-obvious challenges.

关键词：无线传感器网络；监控；结构分析；振动

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Temperature sensing under harsh environments is important to various industrial applications, such as automotive industries, gas turbines, aerospace systems and deepwell drilling telemetric systems. Among different types of temperature sensors, semiconductor diode sensors have the advantages of high sensitivity and compatibility with integrated circuits.

关键词：温度感测;半导体二极管;传感器

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Propose a detective method of road roughness based on MEMS inertial sensor.This detective method utilizes a unit integrated MEMS inertial sensors and GPS module to perceive the information of road and then achieve the detection of road roughness.Firstly,establish the Gaussian mixture model (GMM) to process the collecting information of acceleration and gyroscope,extract the abnormal events of road.Secondly,use a Concept-Based data clustering model (CBDCM) to achieve the feature description and extraction of various abnormal events.Finally,utilize the position information supplied by GPS to locate the detected road potholes,achieve the detection and supervision of road roughness.Combined with the designed system to conduct test,the experimental result indicates the Fall-out ratio and Omission ratio of pothole events about this detective method is 7.4％ and 5.3％,it indicates that the detective method has a high practical value.

关键词：MEMS惯性传感器；GMM CBDCM；影响比；遗漏率

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A mascot robot system based on fuzzy inference is developed for casual information recommendation in a home environment. The system is an Internet-based intelligent robotic environment that assists human by information retrieval and presenting recommendation with casual communication. It consists of five eye robots that present friendly mentality expression, speech recognition modules, an information recommendation engine that recommends information to human by taking into account the current situation, and a server that supervises the whole system. In addition, a fuzzy logic based multi-modal gesture recognition system is added based on, where both web camera images and hand motion data (given by a 3D acceleration sensor put on human wrists) are used to notify the emotion of humans to robots in real time. These components are networked and integrated hierarchically based on RT (Robot Technology) middleware. The subjective estimation using psychological scale has been conducted for 11 subjects. Since the results of the subjective estimation shows 3.08 and 2.62, the validity of the fuzzy interpersonal motions expression has been confirmed. The proposed mascot robot system provides informative support to human through casual communication in a home environment.

关键词：机器人；模糊控制技术；智能；多模态手势识别系统

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Human body temperature,as a manifestation of life activity,is an important physiological parameter of the new supersedes the old.The body temperature not only has physiological significance,but also has important clinical significance,which can be considered as an important index for clinical diagnosis.Based on the NTC temperature sensor as the core,through the whole system framework construction and the software control system design,a quick and accurate intelligent digital electronic thermometer was prepared.Under software control,intelligent temperature measurement is realized.The thermometer not only can accurately register the temperature,also has many functions such as broadcast and logic judgment on temperature,in which,the display module will judge and display the measurement results.

关键词：快速电子体温计；智能控制；温度传感器；

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In this project, we have (i) demonstrated modulation of the refractive index n >1 at near infrared frequencies during field effect gating of conducting oxide (ITO) thin films for switching applications; (ii) demonstrated record low coupling loss from silicon-on-insulator waveguides to dielectrically-loaded surface plasmon polariton waveguides with 1 dB/transition insertion loss and also metal-insulator-metal waveguides; (iii) developed a full format CMOS image sensor with plasmonic color filters; (iv) explored enhanced spontaneous emission in nanoscale plasmonic cavities and have experimentally observed enhanced spontaneous emission in polymer plasmonic structures; (v) developed CMOS Si photonic switching device based on the vanadium dioxide (VO2) phase transition. (vi) also engaged in a partnership with the CEA-LETI laboratory and developed a next generation plasMOStor plasmonic metal-insulator- metal device in CMOS Si photonics with copper metallization and SOI waveguide- coupled inputs and outputs.

关键词：晶体管；纳米线；谐振器；等离子体波导

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Biomarker detection is rapidly emerging as an important clinical tool, especially in the battle against cancer. Cancer is a complex disease with time-dependent dynamics, and presymptomatic indicators are useful in early detection, accurate diagnosis, and developing therapeutic strategies. Such biomarkers provide a "signature" of the health state and are found in biological fluids in blood or urine, and recently in saliva. Saliva is easily accessible in a noninvasive manner and can be collected with less patient discomfort relative to blood. In addition, the levels of interfering material (cells, DNA, RNA, and proteins) and inhibitory substances are lower and less complex in saliva than in blood.

关键词：电化学传感器；生物检测；唾液腺；治疗策略

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China is a country with serious shortage of water resources,water resources problem isn't just a matter of resources,but also a significant strategic question related to national economic and social sustainable development.Using efficient intelligent water-saving irrigation technology has become the general trend of irrigation technology all over the world.Is proposed a kind of intelligent irrigation system based on Wireless Sensor Networks(WSN),can be used to realize large area such as landscaping,field crop on a large scale irrigation control,real-time monitoring of large area of soil's temperature and humidity distribution,and keep the block in the most appropriate humidity range to the growth of the crop,which effectively implement water-saving irrigation.

关键词：无线传感器网络(WSN)；喷灌；温度；湿度

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关键词：电子科学技术；微型电子设备；带通滤波器；电极

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