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This paper analyzed the strain-temperature cross sensitive characteristic of optical fiber Bragg grating(FBG) theoretically, designed and made a novel FBG strain sensor. It has a temperature-compensated function, and it improves the effect of being sensitive to strain. To a certain extent, this sensor overcame the traditional temperature-compensated methods easy to have a creep and aged phenomenon...
As one of new sensors, piezoelectric sensor has been gotten more and more interests in various fields such as mechanics, highway traffic, construction, air and sea transportation, etc, because of its special characteristics. The paper discusses the dynamic nature of piezoelectric sensor for measuring strain of structure. A method for low-frequency vibration measurement through dynamic strain measurement...
In this paper, a new high precision A/D Converter MSC1210 which integrates 8052 Micro-controller and Flash Memory is presented at first. Then a networked data acquisition system based on the technology of Ethernet and RS-485 is designed. The communication between remote monitoring center and host computer is based on TCP/IP protocol through Ethernet, and the communication between host computer and...
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