應用於筆記型電腦寬頻內建式天線

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曾勇昇(Yung-sheng Tseng) 查詢紙本館藏

畢業系所

電機工程學系在職專班

論文名稱

應用於筆記型電腦寬頻內建式天線
(Wideband Internal Antenna for Laptop PC Applications)

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摘要(中)

本論文主要在敍述如何設計一個寬頻的內建天線應用在筆記型電腦上，天線主要架構為一個寬頻的單極天線及三支路的寄生天線組成，可以涵蓋的頻率有824–960MHz、1575MHz、1710–2690MHz、3300–3800MHz和5150–6000MHz。由於其尺寸為60mm（長）× 3.8mm（寬）× 12mm（高），適合被放置筆記型電腦的頂部或側面使用。
文中分析天線效能差異的參數包含天線在筆記型電腦上不同的位置、寬頻單極天線位置、寬頻單極天線和寄生天線第一支路的間隙變化、寬頻單極天線和寄生天線第二支路的間隙變化、二個平面金屬板間距的變化、寬頻單極天線長度的變化、寄生天線第一支路的長度變化、寄生天線第二支路的長度變化及寄生天線第三支路的長度變化，最後以最佳化的天線進行實作及使用Satimo SG64近場天線測試系統進行天線效能的測試，資料包含|S11|及3D天線輻射場型。

摘要(英)

This thesis described how to design internal broadband antenna on the Laptop PC. Antenna has a broadband monopole antenna and three branches of the parasitic antenna. Its frequency covers 824–960MHz、1575MHz、1710–2690MHz、3300–3800MHz and 5150– 6000MHz. Since the size is 60mm (length) × 3.8mm (width) × 12mm (H), it could to be placed to the top or side of a laptop PC.
The factors designed to analyze of the differentials in antenna performance include “Different positions in a laptop”, “The broadband monopole antenna positioning”, “Variations in the space between a broadband monopole antenna and the first parasitic antenna”, “Variations in the space between a broadband monopole antenna and the second parasitic antenna”, “Variations in the space between two sheet metal plates”, “Variations in the length of a broadband monopole antenna”, “Variations in the length of the first parasitic antenna”, “Variations in the length of the second parasitic antenna” and “Variations in the length of the third parasitic antenna”. In addition, we used optimized dummy fixture to practice them, and used Satimo SG64 near field system to test the antenna efficiency. The related design flow and test result are specific recorded in this thesis.

關鍵字(中)

★ 內建式天線
★ 筆記型電腦
★ 單極天線
★ 寄生天線
★ 平板電腦
★ 寬頻天線

關鍵字(英)

★ Internal antenna
★ laptop
★ monopole antenna
★ parasitic antenna
★ tablet
★ wideband antenna

論文目次

摘要 I
ABSTRACT II
致謝 III
目錄 IV
圖目錄 VII
表目錄 XIII
第一章緒論 1
1–1 研究動機 1
1–2 文獻回顧 3
1–3 章節介紹 10
第二章天線原理 11
2–1無線通訊技術之簡介 11
2–2基本參數 13
2–2–1阻抗匹配 13
2–2–2反射損失 14
2–2–3輻射增益 14
2–3天線極化 15
2–4天線原理與設計 16
2–4–1單極天線 16
2–4–2偶極天線 20
2–4–2寄生天線 22
第三章寬頻帶內建式天線設計 23
3–1 簡介 23
3–2 ANT1饋入寬頻帶單極天線 27
3–2–1 Ant1饋入寬頻帶單極天線設計及分析 27
3–2–2結論 38
3–3 ANT2饋入寬頻帶單極天線和第一寄生天線分析及設計 39
3–3–1第一寄生天線設計及分析 39
3–3–2結論 46
3–4 ANT3饋入寬頻帶單極天線和第二寄生天線分析及設計 47
3–4–1第二寄生天線設計及分析 47
3–4–2饋入寬頻帶單極天線和第一、二寄生天線設計及分析 52
3–4–3結論 60
3–5 ANT4饋入寬頻帶單極天線和第三寄生天線分析及設計 61
3–5–1第三寄生天線設計及分析 61
3–5–2結論 66
3–6 寬頻帶內建式天線設計及分析 67
3–6–1寬頻帶內建式天線設計及分析 67
3–6–2結論 73
3–7 地的長度變化對天線的影嚮 81
3–8 總結 83
第四章天線量測與分析 84
第五章結論 95
參考文獻 98

參考文獻

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指導教授

凃文化(Wen-hua Tu)

審核日期

2013-8-22

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