Xem 1-20 trên 56 kết quả Fiber sensor
  • This book presents a comprehensive account of recent advances and researches in fiber optic sensor technology. It consists of 21 chapters encompassing the recent progress in the subject, basic principles of various sensor types, their applications in structural health monitoring and the measurement of various physical, chemical and biological parameters.

    pdf0p cucdai_1 16-10-2012 35 17   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Wearable Conductive Fiber Sensors for Multi-Axis Human Joint Angle Measurements

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài:Wearable Conductive Fiber Sensors for Multi-Axis Human Joint Angle Measurements

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  • Since 1970, optical fiber and optical communication technologies have been rapidly developing, causing a technology revolution in the communication industries. Due to much lower attenuation and interference, optical fiber has many advantages over existing copper wire in long-distance and high-demand applications. The revolution in communication industries also significantly reduces the prices of optical components and stimulates the development of optical fiber sensors.

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  • Optical fibers, an important and promising material, have been the subject of intensive research and development due to their many scientific and practical applications. They are designed to guide light along its length by confining as much light as possible in its core. The interaction between the propagating light with the fiber material is the foundation of the development of various applications such as optical amplifiers, fiber lasers, sensors etc.

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  • An embedded fiber Bragg grating (FBG) sensor, which fabricated in IMS, for temperature sensing was proposed. The temperature responses of the in-fiber Bragg gratings (FBGs) have been investigated. It was found that these responses ranged from 10.6 pm/°C to 12.0 pm/°C. The temperature sensitivity of the FBGs was 0.2°C. The strain responses remained temperature independent over a temperature range of 20 – 180 ◦C.

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  • Lecture Sensors and analytical devices: Temperature measurement include all of the following: Thermoelectric effect sensors (thermocouples), varying resistance devices, semiconductor devices, radiation thermometers, thermography (thermal imaging), thermal expansion methods, quartz thermometers, fiber – optic temperature sensors,...

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  • This chapter presents the following content: Diaphragms, capacitive pressure sensor, fiber – optic pressure sensors, bellows, bourdon tube, manometers, resonant wire devices, electronic pressure gauges, special measurement devices for low pressures, high – pressure measurement, differential pressure-measuring devices, selection of pressure sensors.

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  • Tham khảo tài liệu 'overview of fiber optic sensors phần 2', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The dramatic reduction in transmission loss of optical fibers coupled with very important developments in the area of light sources and detectors have resulted in phenomenal growth of the fiber optic industry during the last 35 years or so. Indeed, the birth of optical fiber communication systems coincided with the fabrication of low-loss optical fibers and the operation of room-temperature semiconductor lasers in 1970. Since then, scientific and technological growth in this field has been phenomenal.

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  • Tham khảo tài liệu 'overview of fiber optic sensors phần 3', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'overview of fiber optic sensors phần 1', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The optical fibre technology is one of the hop topics developed at the beginning of the 21th century and could do many services for application dealing with lighting, sensing and communicating systems. Many improvements have been carried out since 30 years to reduce the fibre attenuation and to improve the fibre performance. Nowadays, new applications have been developed over the scientific community and this book titled “Optical Fibre, New Developments” fits into this paradigm.

    pdf0p 123859674 30-06-2012 48 7   Download

  • Tham khảo tài liệu 'overview of fiber optic sensors phần 4', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The first block is responsible for receiving and amplifying the brain signal, allocating electrodes into specific places on the scalp in the case of the use of electrodes on the surface, or inside brain in the intracortical use cases, in the second block signal is sampled, the quantity and periodic system of time to digitize it, to simplify the following digitized phase signal can be filtered, for example to reduce the noise level is Better SNR or signal identification and processing artifacts....

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  • Glassware must be scrupulously cleaned. Clean all glassware as soon as 3 possible after use by rinsing with the last solvent used in it. Solvent rinsing should be followed be detergent washing with hot water, and rinses with tap water and distilled water. The glassware should then be drained dry, and heated in a muffle furnace at 400°C for 15-30 minutes. Some thermally stable materials, such as PCBs, may not be eliminated by this treatment. Solvent rinses with acetone and pesticide quality hexane may be substituted for the muffle furnace heating.

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  • In addition to local periodontal tissue involvement, chronic infection of the periodontium together with continuous up-regulation of pro-inflammatory responses and immune mediators may contribute to systemic sequel including diabetes, preterm delivery of lowweight birth babies, lung inflammation, arthritis and cardiovascular diseases (CVD).

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  • To enhance learning (RL) is a branch en ot the foundation cial intelligence and has been one of the central themes in a wide range of scientifi c fi elds final two decades. Understanding of the RL is expected to provide a systematic understanding the adaptive behaviors, including simple things of classical and operant animal as well as all acts of social and economic complexity of the human is designed to ts maximize the effect, and also very helpful in learning computer and robot. RL aims to fi nd mapping from situations to appropriate actions, in which a reward is maxi- mized....

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  • The study began in January 2010. Ethics approval for the conduct of the study was gained from the UTS Human Research Ethics Committee (HREC) before the recruitment of student participants commenced. Final clearance from the UTS HREC was obtained at the end of March 2010 and 40 places were then reserved at the UTS IELTS Test Centre for the Academic module of the IELTS Test to be conducted on 10 July 2010. A research assistant was contracted in April, her first task being to recruit participants for the study.

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  • Of course, biomass and food brought this key trade-off biomass use: the controversial food or fuel. With two primary uses of biomass appropriate resolution of this balance is essential for biomass acceptable and beneficial use in the future. Obvious example of biomass for energy is ethanol misuse produced from corn, a conversion process is relatively inefficient as well as a direct Collision course with the way corn as food.

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