Then, the natural vibration of the FBG based two-dot coating was described, and the effects of the length and prestress of the coated fiber on natural vibration frequency were discussed.
其次，从理论上分析了两点封装方案中FBG的自振特性，讨论了封装光纤的长度和预应力对光纤自振频率的影响。
Then, the natural vibration of the FBG based two-dot coating was described, and the effects of the length and prestress of the coated fiber on natural vibration frequency were discussed.
其次，从理论上分析了两点封装方案中FBG的自振特性，讨论了封装光纤的长度和预应力对光纤自振频率的影响。
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