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中文摘要：
结合波分复用、时分复用和空分复用技术构建一个准分布式动态光纤传感系统。指出了系统损耗是限制传感阵列规模的主要因素。通过实验测试了系统损耗的大小，并从理论上计算了传感阵列的容限以及使用本系统进行动态传感的解调速度。利用该系统实现了准分布式动态应变传感实验。
英文摘要：
A quasi-distributed dynamic fiber sensing system combined with wavelength-division multiplexing, time-division multiplexing and space-division multiplexing technologies was proposed. It is illustrated that the loss of the system is the main restrictive factor of the tolerance of the sensing array. The loss of the system was tested through experiments. The tolerance of the sensing array and the demodulation rate of dynamic sensing using this system were calculated respectively based on the experimental results. The quasi-distributed dynamic strain sensing is realized using this system.
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