100 GHz 雙極化天線陣列設計: 利用玻璃基板之縮小化貼片天線

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姓名

張宇泓(Yu-Hong Chang) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

100 GHz 雙極化天線陣列設計: 利用玻璃基板之縮小化貼片天線
(Design of 100GHz Dual-Polarization Antenna Array of Miniaturized Patch Antenna On Quartz Substrates)

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至系統瀏覽論文 (2029-7-1以後開放)

摘要(中)

本論文提出利用石英基板製程之 100GHz 縮小化雙極化貼片天線陣列設計。在設計中，使用在天線表面切割槽孔之方法延伸電流路徑縮小天線，耦合槽孔透過 T 型的擺放使兩饋入端有優異的隔離度，用製程做(高頻)天線設計或許會有諸多的問題需一一克服，若遇到基板相對厚且無法調整導致貼片天線基本模態無法順利激發時，本論文提供了一有效的方案。
最終經由天線縮小，單一天線尺寸由 1.85 mm*1.85 mm 縮小至 1.4 mm* 1.4 mm(減少43%的面積)，經由量測驗證單一天線在 100GHz 之增益表現 X 與 Y 極化之模擬與量測分別為(6.91 , 6.96) dBi 與 (6.72 , 6.43) dBi ;在目標頻段內之增益表現，X 與 Y 極化之模擬與量測各自有優於 (4.87 , 4.73) dBi 與 (4.36 , 5) dBi，天線陣列在 100GHz之增益表現 X 與 Y 極化之模擬與量測分別為(9.14 , 9.52) dBi 與 (8.41 , 8.62) dBi ;在目標頻段內之增益表現，X 與 Y 極化之模擬與量測各自有優於 (7.26 , 7.69) dBi 與 (6.37 , 5.83) dBi

摘要(英)

The design of 100 GHz dual-polarization antenna array of miniaturized patch antenna on Quartz substrates is presented in the thesis. The method involves cutting slots on the antenna surface to extend the current path, thereby reducing the antenna size. A T-shaped arrangement is used on coupling slots to achieve excellent isolation between the two feed points. Designing high-frequency antennas using this process may encounter various challenges that need to be addressed. If the substrate is relatively thick and cannot be adjusted, leading to the ineffective excitation of the foundmental mode in patch antenna, this thesis offers an effective
solution.
By miniaturizing the antenna, the size of a single antenna is reduced from 1.85 mm * 1.85 mm to 1.4 mm * 1.4 mm (with 43% reduction in area). Measurement verification shows
that the gain performance of a single antenna at 100 GHz for x- and y- polarizations is (6.91, 6.96) dBi and (6.72, 6.43) dBi in simulation and measurement, respectively. Within the target frequency band, the gain performance for x- and y- polarizations is better than (4.87, 4.73)dBi and (4.36, 5) dBi, respectively, in simulation and measurement. The gain performance of the antenna array at 100 GHz for x- and y- polarizations is (9.14, 9.52) dBi and (8.41, 8.62)dBi in simulation and measurement, respectively. Within the target frequency band, the gain performance for x- and y- polarizations is better than (7.26, 7.69) dBi and (6.37, 5.83) dBi,respectively, in simulation and measurement.

關鍵字(中)

★ 天線陣列
★ 雙極化
★ 縮小化
★ 玻璃基板石英基板
★ 100GHz
★ W band
★ 毫米波

關鍵字(英)

★ antenna array
★ dual-polarization
★ miniaturized
★ quartz substrate
★ 100GHz
★ W band
★ milimeter-wave

論文目次

摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vii
表目錄 xi
第一章序論 1
1-1 研究動機 1
1-2 文獻回顧 2
1-3 章節介紹 5
第二章天線簡介 6
2-1 天線分類 6
2-2貼片天線 6
2-2-1 基本型貼片天線理論 6
2-2-2 貼片天線常見的饋入方式 8
2-2-3 貼片天線的極化 10
2-3 天線陣列理論簡介 11
2-4 天線製程介紹 13
第三章 100GH雙極化天線設計:利用石英基板之縮小化貼片天線 14
3-1 簡介 14
3-2 貼片天線的縮小和設計 17
3-2-1 天線初始設計與放大 17
3-2-2 天線的縮小化 20
3-3 CPW to Microstrip過渡結構設計 30
3-4 結合過渡結構之貼片天線之模擬 35
3-4-1 雙極化天線開路分析 35
3-4-2 結合過渡結構之單一天線模擬 39
3-5量測環境介紹 45
3-6 實作、模擬與量測結果 48
3-7 結論 5
第四章 100GH雙極化天線陣列設計:利用石英基板之縮小化貼片天線 55
4-1 簡介 55
4-2天線陣列設計 55
4-2-1 天線陣列間距選擇 56
4-2-2 一分四功率分配器設計 59
4-2-3 結合過渡結構、功率分配器與貼片天線之模擬 64
4-3 實作、模擬與量測結果 69
4-4 結論 75
第五章結論 76
附錄 100GH天線設計:利用石英基板之縮小化貼片天線 77
簡介 77
設計流程 79
實作、模擬與量測結果 85
結論 88
參考文獻 89

參考文獻

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指導教授

丘增杰(Tsen-Chieh Chiu)

審核日期

2024-7-10

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