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Cross-sensitivity of temperature and strain in fiber Bragg grating sensor has been a problem in optical fiber sensing. To solve this problem, a fiber optic hybrid design for simultaneous measurement of temperature and strain has been proposed and demonstrated in this paper. It only uses a piece of sampled fiber grating and needs one set of demodulation system for dual-parameter sensing. Its temperature...
In recent years the safety management system develops fast, in view of this kind of situation, puts forward a method based on Wireless Fidelity(Wi-Fi) real-time location system. The traditional safety management system, often use crediting card or by way of fingerprints, the efficiency is low, it is inconvenient to use these technology in so busy channel. Wi-Fi-based real-time location system links...
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