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研究生:翁世泰
研究生(外文):Shih-Tai Weng
論文名稱:以光纖光柵為相位陣列天線時間延遲器之研究
論文名稱(外文):Application in Phase Array Antenna Time Delay Element
指導教授:劉文豐劉文豐引用關係柏小松
指導教授(外文):Wen-Fung LiuSheau-Shong Bor
學位類別:碩士
校院名稱:逢甲大學
系所名稱:電機工程所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:90
中文關鍵詞:相位陣列天線超結構型光纖光柵
外文關鍵詞:SFBGPhased Array Antenna
相關次數:
  • 被引用被引用:3
  • 點閱點閱:220
  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1

摘 要
利用光纖光柵作為時間延遲元件來控制相位陣列天線的信號及其後的波束形成機制是一個很具潛力的研究主題,這是由於光纖具有質量輕、低傳輸損耗、不受電磁干擾以及有寬廣的頻寬等特性,相較於傳統的射頻(RF)及微波電路而言確具有其優勢。目前將光纖光柵應用在相位陣列天線之時間延遲機制上,大部分都採取多段式的均勻型光纖光柵,本論文將以超結構型光纖光柵作為相位陣列天線時間延遲元件為研究之主體,以期能大幅簡化相位陣列天線時間延遲設計的複雜度及更進一步地改善相位陣列天線系統的性能。


Abstract
The method of fiber Bragg gratings used for the control and distribution of signals within microwave phased array antenna systems has been the subject of potential research over past several years. Its advantages have: small size, low losses, lightweight, and immunity to electromagnetic interferences. However, there have been several approaches for the beam-steering of a phased array antenna by using fiber grating technique. A typical approach is that a number of uniform fiber Bragg gratings written at different positions along fiber axis are used for determining the beam pointing direction of the array antenna. Instead of using uniform fiber Bragg gratings, we propose a scheme which employs superstructure fiber bragg gratings (SFBG) for an accurate time-delay beam-steering system of array antenna.


摘要 i
英文摘要ii
致謝iii
目錄iv
圖目錄vii
表目錄x
縮寫及符號對照表xi
第一章 緒論1
1.1 研究動機1
1.2 研究方法與內容概述2
第二章 光纖光柵4
2.1 簡介4
2.2 光纖光柵之概述5
2.3 光纖光柵的種類7
2.4 理論分析12
2.5 超結構型光纖光柵19
2.5.1 物理架構19
2.5.2 理論分析19
2.5.3 模擬分析23
2.5.3.1 有、無小段光柵的長度比例24
2.5.3.2 串接有、無小段光柵的數目24
2.6 光纖光柵的實際製作27
2.6.1 製作技術27
2.6.2 實際製作與模擬29
第三章 陣列天線之簡介34
3.1 天線概說34
3.2 陣列天線35
3.2.1 概說35
3.2.2 理論架構36
3.2.3 線性陣列天線38
3.3 相位陣列天線41
3.3.1 理論架構41
3.3.2 波束之轉向操控42
3.4 模擬分析47
3.4.1 六根單元天線47
3.4.2 十八根單元天線51
3.4.3 六根單元天線與十八根單元天線之比較54
第四章 光纖光柵在相位陣列天線之應用55
4.1 背景55
4.2 重要性56
4.3 系統架構57
4.3.1 光纖通訊系統57
4.3.2 精確的時間延遲(TTD)系統59
4.3.3 時間延遲元件61
4.4 理論分析64
4.5 超結構光纖光柵在時間延遲器之研究66
4.5.1 系統架構67
4.6 模擬分析74
4.6.1 光纖光柵部分74
4.6.2 相位陣列天線部分81
第五章 結論82
參考文獻84
作者簡介90


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