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研究生:李孟倫
研究生(外文):Meng-Luen Lee
論文名稱:2.4GHzISMband平板天線之分析與設計
論文名稱(外文):Analysis and design of printed antennas in 2.4GHz ISM band
指導教授:徐敬文
指導教授(外文):Ching-Wen Hsue
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:電子工程系
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:2001
畢業學年度:89
語文別:中文
論文頁數:84
中文關鍵詞:平板天線
外文關鍵詞:printed antenna
相關次數:
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Bluetooth和Wifi是現今在2.4GHz ISM頻段很熱門的無線通訊系統
。天線在整個無線傳輸系統中往往扮演了一個很重要的角色,天線設計的好壞將可決定系統的性能。而平板天線因為成本便宜、容易與電路結合、結構簡單等特性常被採用,本篇論文便以2.4GHz為中心頻率,分別對平面板天線、平面板陣列、圓極化平面板天線、螺旋單極天線、倒F型天線、tab 單極天線的設計方法作與分析做討論,並將反射損失、增益模擬與實測值作比較與分析。其中螺旋單極天線體積最小;tab 單極天線增益為4.49dBi最大。
Both Bluetooth and WiFi are very popular wireless communication system configurations in 2.4GHz ISM band. Antenna is a very important element in wireless transmission system. The antenna characteristic strongly influences the performance of wireless system. Printed antennas are usually adopted because of their low cost, manufacturability, and low profile. In this thesis, we study patch antenna, patch antenna array, patch antenna with circular polarization, spiral monopole antenna, inverted F printed antenna, and tab monopole antenna. We compare the simulation results with measured data. Spiral monopole antenna has the smallest size. Tab monopole antenna has the maximum gain of 4.49dBi.
誌謝…………………………………………………………….I
摘要……………………………………………………………II
Abstract………………………………………………………III
圖片列表……………………………………………………..IV
第一章簡介………………………………………………...1
1-1 研究動機……………………………………………………...…………...1
1-2 2.4GHz無線通訊系統簡介………………………………………………1
1-3 2.4GHZ商用系統所用天線其增益要求之最低值…………………...…5
第二章 平面板天線與陣列理論…………………………...…8
2-1 平面板天線理論…………………………………………………………...8
2-2 平面板天線陣列理論…………………………………………………….13
2-3 天線陣列………………………………………………………………….21
2-4 分集……………………………………………………………………….26
2-4-1空間分集……………………………………………………………...28
2-4-2極化分集……………………………………………………………...33
第三章 平面板天線的設計………………………………….36
3-1 平面板天線……………………………………………………………….36
3-2 平面板陣列……………………………………………………………….38
3-3 圓極化平面板天線……………………………………………………….39
3-4 螺旋單極天線…………………………………………………………….42
3-5 倒F型天線………………………………………………………………43
3-6 Tab 單極天線……………………………………………………………45
第四章 量測與模擬結果…...………………………………..46
4-1 場型的量測…………………………………………………………….…47
4-2 平面板天線……………………………………………………………….49
4-3 平面板陣列…………………………………………………………….…54
4-4 圓極化平面板天線……………………………………………………….57
4-5 螺旋單極天線…………………………………………………………….62
4-6 倒F型天線……………………………………………………………....67
4-7 Tab 單極天線……………………………………………………………74
第五章結論…………………………………………………81
參考書目…………………………...………………………....83
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[13]J.D. Parsons and A.M.d. Turkmani, Characterisation of mobile radio signals, IEE Proc. I, 138(6), 549-56, 1991
[14]W.C. Jakes, (ed.), Microwave Mobile Communications, IEEE Press, New York, 1994
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[17]Kai Fong Lee, Wei Chen, “Advances in microstrip and printed antennas” 1st edition, John Wiley& Sons, Inc., 1997, chap.4
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