论文部分内容阅读
对光纤布拉格光栅多点传感进行了理论研究与实验研究。通过定义多点传感信号分辨因子 ,分析了探测器对传感信号的分辨条件 ,给出了多点温度与应变传感原理的数学表达式 ,并探讨了由光源带宽决定的系统实际复用能力。设计并实现了具有一定特色的光纤布拉格光栅多点传感网络系统 ,利用该系统对温度、位移进行了双路、多点传感实验分析与理论验证 ,实验结果与多点传感理论分析相符合。
Fiber Bragg grating multi-point sensing theory and experimental research. By defining the resolving power of multi-sensor signal, the resolving conditions of sensor signal are analyzed. The mathematical expressions of multi-point temperature and strain sensing principle are given, and the actual system multiplexing ability. The fiber Bragg grating multi-sensor network system with certain characteristics is designed and realized. The temperature and displacement of the fiber Bragg grating multi-sensor network system are analyzed and verified theoretically. The experimental results and multi-sensor theoretical analysis meets the.