【摘要】 实现波长编码信号的解调,是光纤光栅传感系统实用化推广的关键技术之一。文中讨论了光纤光栅传感信号解调的基本原理,分析了国内外提出的常用解调方法的工作机理、特点和性能,并总结了信号解调过程中存在的主要技术难点及发展方向,为基于光纤光栅传感系统的解调部分的设计提供了依据。更多还原

【Abstract】 To realize the wavelenth-encoded signal demodulation is one of the key techniques to popularize the practicability of a fibre bragg grating sensing system.This paper discusses the general principle of the FBG sensing signal demodulation and analyses its working principle,characteristics and performance relating to the demodulating methods to be commonly used at home and abroad.The paper also summarizes the main technical problems and developing direction of the FBG signal demodulation and provides a basis for designing the demodulation based on the FBG sensor system.更多还原