The fiber Bragg grating (FBG) hydrophone and the distributed feedback (DFB) fiber laser hydrophone are recent rapidly developing underwater sound detection technologies based on fiber grating.

• 摘要本文简单介绍了基于光纤光栅的光纤布喇格光栅(FBG)水听器以及分布反馈式(DFB)光纤激光水听器的基本工作原理与信号解调的基本方法。