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一种利用光纤光栅技术的巷道实时监测系统
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作者 张建荣 《科技情报开发与经济》 2011年第22期205-206,共2页
提出了基于光纤光栅原理对巷道关键断面的应变和位移进行监测的实施方案,系统采集大量数据进行分析得到关键截面应变和围岩变形规律,为生产管理者提供科学的判断依据,并及时采取相应措施,阻止围岩失稳、避免突发性破坏的发生。
关键词 光纤光栅技术 传感器 巷道断面 断面应变与位移 实时监测系统
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APPLICATION OF 2-D MOIRE INTERFEROMETRYOF STICKING FILM IN HUMAN TIBIA MEASUREMENT
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作者 张桂琴 羡若凯 《Transactions of Tianjin University》 EI CAS 1999年第1期68-71,共4页
This paper makes use of the method of testing and measuring the human body tibia by using2-D moire interferometry of sticking film. hased on the J'--y direction moire patterns recorded synchronously by 2-D optical... This paper makes use of the method of testing and measuring the human body tibia by using2-D moire interferometry of sticking film. hased on the J'--y direction moire patterns recorded synchronously by 2-D optical path,the elastic constant,strain and displacement of the tibia are measured.Compared with the electric measuring method the error is samll and the sensitivity is high. 展开更多
关键词 2-D moire interferometry of sticking film elastic constant strain and displacement
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