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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 周錫增(Hsi-Tseng Chou) | |
| dc.contributor.author | Yen-Ju Lin | en |
| dc.contributor.author | 林彥儒 | zh_TW |
| dc.date.accessioned | 2022-11-24T03:21:05Z | - |
| dc.date.available | 2021-10-04 | |
| dc.date.available | 2022-11-24T03:21:05Z | - |
| dc.date.copyright | 2021-10-04 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-09-21 | |
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[25] Yang Zhao and Weidong Hu, 'Design of a UWB unidirectional radiation compound spiral antenna,' 2015 IEEE 6th International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE), 2015, pp. 158-161 [26] A. Ali, M. Hamza and W. T. Khan, 'Smallest form factor, high performance 2–18 GHz cavity-backed archimedean spiral antenna,' 2017 International Symposium on Antennas and Propagation (ISAP), 2017, pp. 1-2 [27] C. M. Seong and D. C. Park, 'Design of cavity-backed spiral antennas,' Proceedings of 2012 5th Global Symposium on Millimeter-Waves, 2012, pp. 186-190 [28] M. Jones, D. Sheen and J. Tedeschi, 'Wideband archimedean spiral antenna for millimeter-wave imaging array,' 2017 IEEE International Symposium on Antennas and Propagation USNC/URSI National Radio Science Meeting, 2017, pp. 845-846 [29] P. L. Carro, J. de Mingo, P. García-Dúcar and C. Sanchez, 'Synthesis of Hecken-tapered microstrip to Paralell-Strip baluns for UHF frequency band,' 2011 IEEE MTT-S International Microwave Symposium, 2011, pp. 1-4 [30] https://rogerscorp.com/-/media/project/rogerscorp/documents/advanced-connectivity-solutions/english/data-sheets/rt-duroid-5870---5880-data-sheet.pdf [31] http://www.bojiang.com.tw/zh-TW/product/1.85/1092.html [32] E. Baghernia, M. M. M. Ali and A. R. Sebak, '2 × 2 Slot Spiral Cavity-Backed Antenna Array Fed by Printed Gap Waveguide,' in IEEE Access, vol. 8, pp. 170609-170617, 2020 [33] E. Baghernia, R. Movahedinia and A. -R. Sebak, 'Broadband Compact Circularly Polarized Spiral Antenna Array Fed by Printed Gap Waveguide for Millimeter-Wave Applications,' in IEEE Access, vol. 9, pp. 86-95, 2021 [34] E. Baghernia and A. -R. 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/80899 | - |
| dc.description.abstract | 本論文提出毫米波頻段多通訊應用的超寬頻天線，操作頻率為24 GHz-72 GHz，其中的28/38 GHz主要為第五代通信系統使用、45 GHz給基於IEEE802.11aj標準的無線區域網絡，而57 GHz- 64 GHz 為全球免執照的WiGig系統。論文架構主要分為兩部分，第一部分提出超寬頻的韋瓦第天線，特色為線極化且頻寬非常的寬、具有高指向性且可以透過印刷電路板來製作，其高增益也可以彌補在毫米波頻段中由於空氣傳播所造成的嚴重損耗。本論文以平衡對稱的韋瓦第天線為基礎，透過非對稱切割不必要的基板來修正韋瓦第天線本身波束偏移的問題以及在天線臂上蝕刻槽孔來增進天線在低頻部分的頻寬。第二部分為超寬頻的螺旋天線，其特性為頻寬非常的寬，且具有圓極化的特性，圓極化天線可以減少因發射天線和接收天線之間未對準引起的極化失配損失，以及抑制來自地面和周圍物體反射信號引起的多徑干擾，為了使螺旋天線從雙向輻射變為單向輻射，來符合大多數的通訊應用，本論文在螺旋天線背面加上了一個金屬空腔以及吸波材料。論文中包含上述兩部分的文獻探討、設計流程、模擬結果、量測與討論。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2022-11-24T03:21:05Z (GMT). No. of bitstreams: 1 U0001-2109202117283000.pdf: 7345986 bytes, checksum: 4f5bc6ac272f407503646381c163e73f (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | 中文摘要 I ABSTRACT II 目錄 III 圖目錄 V 表格目錄 XII Chapter 1 緒論 1 1.1 研究動機 1 1.2 論文貢獻與架構 2 Chapter 2 超寬頻的韋瓦第天線設計 3 2.1 韋瓦第天線理論介紹 3 2.2 韋瓦第天線文獻回顧 7 2.3 韋瓦第天線設計 14 2.3.1 平衡對立的韋瓦第天線 16 2.3.2 對稱切割基板的平衡對立韋瓦第天線 18 2.3.3 不對稱切割基板的平衡對立韋瓦第天線 20 2.3.4 帶有槽的不對稱切割基板平衡對立韋瓦第天線 22 2.3.5 天線類型比較 24 2.3.6 參數分析 28 2.3.7 天線設計參數 33 2.4 韋瓦第天線陣列設計 41 Chapter 3 超寬頻的螺旋天線設計 45 3.1 螺旋天線理論介紹 45 3.1.1 等角螺旋天線 45 3.1.2 阿基米德螺旋天線 47 3.1.3 巴倫概述 48 3.1.4 單向輻射螺旋天線 49 3.2 螺旋天線文獻回顧 50 3.3 螺旋天線設計 57 3.3.1 雙向輻射螺旋天線設計 57 3.3.2 單向輻射螺旋天線設計 65 3.3.3 參數分析 66 3.3.4 天線設計參數 71 Chapter 4 超寬頻天線實作與量測 83 4.1 量測環境設置 85 4.2 韋瓦第天線量測 89 4.3 螺旋天線量測 102 Chapter 5 結論 110 參考文獻 111 | |
| dc.language.iso | zh-TW | |
| dc.subject | 圓極化 | zh_TW |
| dc.subject | 毫米波 | zh_TW |
| dc.subject | 多通訊應用 | zh_TW |
| dc.subject | 線極化 | zh_TW |
| dc.subject | 超寬頻天線 | zh_TW |
| dc.subject | Circular Polarization | en |
| dc.subject | Ultrawideband antenna | en |
| dc.subject | Linear Polarization | en |
| dc.subject | Millimeter wave | en |
| dc.title | 毫米波頻段多通訊應用之超寬頻天線設計 | zh_TW |
| dc.title | Ultra-wideband antenna design for multi-communication applications in millimeter wave frequency band | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 盧信嘉(Hsin-Tsai Liu),廖文照(Chih-Yang Tseng),邱政男,蕭才文 | |
| dc.subject.keyword | 毫米波,超寬頻天線,線極化,圓極化,多通訊應用, | zh_TW |
| dc.subject.keyword | Millimeter wave,Ultrawideband antenna,Linear Polarization,Circular Polarization, | en |
| dc.relation.page | 112 | |
| dc.identifier.doi | 10.6342/NTU202103268 | |
| dc.rights.note | 同意授權(限校園內公開) | |
| dc.date.accepted | 2021-09-23 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 電信工程學研究所 | zh_TW |
| 顯示於系所單位： | 電信工程學研究所 | |
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