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姓名 陳宥竹(You-Jhu Chen)  查詢紙本館藏   畢業系所 電機工程學系
論文名稱 使用共平面波導饋入的多頻帶槽孔偶極天線設計
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摘要(中) 本篇論文設計了兩個多頻帶天線的架構。第一個天線是第三章所介紹的
三頻天線,第二個天線是第四章所介紹的五頻的天線。兩個天線皆為印刷
式共平面波導饋入的多頻帶槽孔偶極天線,同樣都是利用磁流共振的路徑
增加來達到多頻帶的效果。三頻天線是在左右兩邊的槽孔內,各加入兩個
大小不同的 C 形金屬環之後,達到三個頻帶的效果。五頻天線是在左右兩
邊的槽孔內,各加入一片金屬片,但是兩片金屬片上面有長度不同的四條
槽孔線,可以達到五個頻帶的設計。兩支天線的模擬和量測大致上都相符
合。兩支天線量測到的輻射場形,在每個通帶下,都類似偶極天線的輻射
場形,並且量測到的天線增益皆有 5 dBi到 6 dBi。
摘要(英) In this thesis, tri-band and penta-band antenna designs are proposed. The tri-band antenna design is described in chapter 3. The penta-band antenna design is described in chapter 4. Two antenna designs are printed multi-band slot dipole antenna. They are fed by coplanar waveguide. The same principle of two antenna designs is to increase more magnetic current resonant paths that can achieve multi-frequency operation. The tri-band antenna design is achieved by adding two different size C-shape metal strips into each slot. The penta-band antenna design is achieved by adding a metal sheet which embedded four different length slot lines into each slot. Simulation and measurement of two antennas show good agreement. The measured radiation power patterns of two antennas in each band are similar to the dipole antenna. The measured antenna gains are about 5 dBi to 6 dBi.
關鍵字(中) ★ 槽孔偶極天線
★ 多頻帶天線
★ 共平面波導
★ 三頻天線
★ 五頻天線
關鍵字(英) ★ slot dipole antenna
★ multi-band antenna
★ coplanar waveguide
★ tri-band antenna
★ penta-band antenna
論文目次 摘要.................................... i
Abstract.............................. ii
致謝................................... iii
目錄................................... iv
圖目錄.................................. vi
表目錄................................... x
第一章 緒論............................ 1
1.1 研究動機........................... 1
1.2 相關文獻參考................... 3
1.3 章節介紹............................... 11
第二章 天線原理簡介........................... 12
2.1 偶極天線原理[25]-[26]..................... 12
2.2 共平面波導饋入方式................ 18
第三章 加入 C 形金屬線的三頻槽孔偶極天線設計........ 21
3.1 三頻槽孔偶極天線架.......................... 21
3.2 三頻槽孔偶極天線設計的規格.................... 23
3.3 三頻槽孔偶極天線磁流分析...................... 24
3.4 三頻槽孔偶極天線參數分析...................... 27
3.5 三頻槽孔偶極天線量測結果...................... 32
第四章 加入槽孔線的五頻槽孔偶極天線設計.............. 38
4.1 五頻槽孔偶極天線架........................... 38
4.2 五頻槽孔偶極天線設計的規格................... 41
4.3 五頻槽孔偶極天線磁流分析...................... 42
4.4 五頻槽孔偶極天線參數分析...................... 47
4.5 五頻槽孔偶極天線量測結果..................... 58
第五章 結論................................... 67
參考文獻....................................... 68
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指導教授 凃文化(Wen-Hua Tu) 審核日期 2014-8-15
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