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光纤光栅传感是光纤光栅的重要应用之一,波长编码信号解调是实现光纤光栅分布式传感网络的关键。介绍了光纤光栅传感的基本原理,分类评述了几种常用解调方法的工作原理、特点和性能,并分别给出了其典型的实验原理图,为光纤光栅传感技术的发展及其信号解调设计提供了依据。
Fiber grating sensing is one of the most important applications of fiber grating. The demodulation of wavelength-coded signal is the key to realize the distributed sensing network of fiber grating. The basic principle of fiber grating sensing is introduced. The working principle, characteristics and performance of several commonly used demodulation methods are reviewed. The typical experimental principle diagrams are given respectively. The development of fiber grating sensing technology and its signal Demodulation design provides the basis.