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采用自主研发的可调谐窄带光源和光波分复用联合空分复用技术研究并实现了新型大容量光纤光栅传感解调系统。实验结果表明,系统可实现32通道超过600个监测点的实时并行监测,有效提高了传感解调系统的系统容量和信噪比,可满足大型工程对光纤光栅传感系统的应用需求。
The self-developed tunable narrow-band light source and optical wavelength division multiplexing combined with space-division multiplexing technology are used to research and implement a novel high-capacity FBG sensing demodulation system. The experimental results show that the system can realize the real-time parallel monitoring of more than 600 monitoring points in 32 channels and effectively increase the system capacity and signal-to-noise ratio of the sensing demodulation system, which can meet the application requirements of large-scale projects for fiber grating sensing systems.