臺灣博碩士論文加值系統

本論文的主旨在研究具有可重構功能的光纖布拉格光柵感測系統，論文中提出一種具有可重構功能的光纖光柵感測系統並演示其系統效能，其中主網路是一個星型環狀網路架構，次網路為巴士狀網路架構，並且利用遠端節點達成光纖感測系統的可重構功能與光纖環形雷射改善感測訊號的訊雜比，有效提高整體系統的可靠性和容量。所提議的結構能夠增加光纖光柵感測器系統的存活能力與預防環境事故。未來有利於監測大型結構物的健全監視，例如隧道、水壩、山坡地、橋梁與大樓，因為許多感測器能夠內建在這些建築物中。

The purpose of this paper investigates a fiber Bragg grating sensor with reconfigurable function. In this paper, we propose a fiber Bragg grating sensor with reconfigurable function and demonstrate performance, the main network of structure is star-ring network architecture; the sub-network is bus-line architecture, we use remote nodes to achieve the reconfigurable function of fiber Bragg grating sensor and also utilize fiber ring laser to improve the SNR (Signal to Noise Ratio) of Signal, it is effective to increase the reliability and capacity of system. This proposed structure can increase the viability of fiber grating sensor system and prevent environmental accidents. In the future, It''s always helpful to monitor sensor regions such, as tunnels, dams, mountainsides, bridges and buildings because the sensors can be built in these building.

中文摘要............................................................................................................................i
英文摘要...........................................................................................................................ii
誌謝..................................................................................................................................iii
目錄..................................................................................................................................iv
圖目錄..............................................................................................................................vi
第一章 簡介.....................................................................................................................1
1.1 前言............................................................................................................................1
1.2 文獻回顧....................................................................................................................3
1.3 研究動機與目的........................................................................................................8
1.4 論文架構....................................................................................................................9
第二章 原理...................................................................................................................10
2.1 光纖..........................................................................................................................10
2.2 環型光纖雷射..........................................................................................................11
2.3 摻鉺光纖放大器......................................................................................................11
2.4 光耦合器..................................................................................................................13
2.5 光循環器..................................................................................................................15
2.6 光纖布拉格光柵......................................................................................................15
第三章 具有可重構功能的光纖光柵感測系統...........................................................17
3.1 系統架構..................................................................................................................17
3.2 遠端節點..................................................................................................................19
3.3 分時多工技術..........................................................................................................21
3.4 可重構功能..............................................................................................................26
3.5 單點線路故障..........................................................................................................26
3.6 多點線路故障..........................................................................................................29
3.7 實驗步驟與結果分析..............................................................................................32
第四章 結論...................................................................................................................50
參考文獻.........................................................................................................................51

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