采用两级解调的方法,优化了WDM/SDM光纤光栅传感复用系统的解调规则,探索了采用双解调系统,同时对光纤光栅传感阵列进行解调以提高传感系统解调速度的方法.在系统设计中采用PetriNet理论来解决多解调系统协调运行的问题·通过构建双解调四通道的布喇格光纤光栅应变传感复用系统验证了多解调复用技术的可行性,采用排队论理论,模拟仿真了双解调系统的性能·理论分析和实验表明双解调系统的平均等待时间比传统的解调方法的平均等待时间低一个数量级· The two-level demodulation method is adopted to optimize the demodulation rules of the WDM / SDM FBG sensing multiplex system. The dual demodulation system is explored. At the same time, the FBG sensor array is demodulated to improve the sensing system demodulation Speed ​​in the system design using PetriNet theory to solve the problem of coordinated operation of multi-demodulation system · By constructing a dual-demodulation four-channel Bragg fiber grating strain sensing multiplexing system multi-demodulation multiplexing technology The feasibility and the queuing theory are used to simulate the performance of dual demodulation systems. Theoretical analysis and experiments show that the average latency of dual demodulation systems is one order of magnitude lower than the average latency of traditional demodulation methods.