Engineering;
Lab;
of;
Fiber;
Optic;
Sensing;
Technology,;
Wuhan;
University;
of;
Technology,;
122;
Luoshi;
Road,Wuhan,;
430070,;
China;
Lab;
of;
Fiber;
Optic;
Sensing;
Technology;
and;
Information;
Processing,;
Wuhan;
University;
of;
Technology,;
122;
LuoshiRoad,;
Wuhan,;
430070,;
China;
光纤光栅传感器; 城市铁路; 扩展设备; 高架桥; 光纤布拉格光栅; 温度传感器; 监控; 轨道位移;