The distributed optical fiber sensing technology was used to investigate the fracture behavior of the Epoxy Asphalt Mixt......

A distributed optical fiber sensor system is constructed based on the principle of Sagnac interferometer with 3 ×3 coup......

利用相位敏感光时域反射计(Φ-OTDR)分布式光纤测试系统对城市输水管道安全预警与泄漏定位方法进行研究。通过分析所获得的时域信......

　　As a new monitoring method,the optical fiber sensing technology has been successfully applied in the geological and ......

　　With the phenomenon of loess tunnel lining cracking,tunnel lining crack was analyzed by the engineering background o......