剖風儀之關鍵零組件—印刷式八木天線設計

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姓名

黃耿毅(Geng-Yi Huang) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

剖風儀之關鍵零組件—印刷式八木天線設計
(Key component of wind profilier - printed Yagi antenna design)

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摘要(中)

本論文主要在於討論印刷式八木天線其各種參數對天線的影響，並在尋找簡易設計程序的原則下，簡化設計參數。這些參數包括元件的長度，天線饋入結構以及這元件間距。根據這些基本的探討，將會提出設計印刷式八木天線之準則、探討天線方向性、頻寬與背向輻射比等性能，並提出簡易的快速設計程序。在論文，亦將提出新的反射子結構。在不明顯的影響天線方向性下，此新結構將有效地提高背向輻射比。

摘要(英)

The goal of the thesis is to study the effects of many arguments, including the dimensions and the feeding structure of the printed Yagi antenna, on the center frequency, mid-band gain, and front-to-rear(F/R) ratio. Then, the guidelines of the antenna design will be proposed based on the simulation results. Basically, using the traditional configuration of the printed Yagi antenna, the mid-band gain or the F/R ratio cannot be improved without scarifying the other. Therefore, at the end of the thesis, a novel reflector formed by multiple dipoles is proposed. Through simulations and measurements, it is found the proposed configuration highly improves the F/R ratio while the mid-band gain remains almost unchanged.

關鍵字(中)

★ 剖風儀
★ 八木天線

關鍵字(英)

★ wind profilier
★ yagi antenna

論文目次

摘要………………………………………………………………………I
致謝……………………………………………………………………..III
圖目錄…….……………………………………………………………..V
表目錄………………………………………………………………….VII
第一章緒論………………….…………………………………….….1
第二章印刷式八木天線設計………………………………………...4
2.1 八木天線簡介…………………………………………...4
2.2 三元件八木天線原始設計……………………………...6
2.3 中心頻率與元件探討………………………………….11
2.4 天線方向性與元件探討……………………………….19
2.5 簡易設計流程………………………………………….28
第三章八木天線進階設計…………………………………………..35
3.1 八木天線寬頻化設計………………………………….35
3.2 天線方向性最大化…………………………………….42
3.3 背向輻射比(F/R ratio)…………………………………46
3.4 最佳化設計…………………………………………….50
第四章結論…………………………………………………………..56
參考文獻………………………………………………………………..57

參考文獻

[1]Zheng, G.; Kishk, A.A.; Glisson, A.W.; Yakovlev, A.B., “ Simplified feed for modified printed Yagi antenna,” Electronics Letters, Vol. 40, Issue 8, pp. 464-465, April 2004.
[2] Guiping Zheng; Kishk, A.A.; Yakovlev, A.B.; Glisson, A.W., “Simplified feeding for a modified printed Yagi antenna,” IEEE Antennas and Propagation Society International Symposium , Vol. 3 , pp.934-937, June 2003
[3] Yang-Chang Lee; Shyh-Jong Chung, ”Design of a 38-GHz printed Yagi antenna with multiple directors,” IEEE Antennas and Propagation Society International Symposium, Vol. 3 , pp:606-609, July 2001
[4] Kagoshima, K.; Takahashi, T.; Ebine, “Y. Dual frequency low profile printed dipole Yagi-array for a cabin mounted vehicular antenna,” Antennas and Propagation Society International Symposium, AP-S. Digest , vol. 2, pp.962-965, June 1991
[5] Qassim, K.A.S.; McEwan, N.J., “Printed Yagi antennas as a focal plane array in an imaging system,” Antennas and Propagation, ICAP 91., Seventh International Conference on (IEE) , vol. 1, pp. 193–196, 1991
[6] Herscovici, N.; Williams, J., “A printed dipole fed by a perpendicular stripline [phased array applications],” IEEE Antennas and Propagation Society International Symposium , vol. 3, pp. 705-708, 2003
[7] Yongxi Qian; Deal, W.R.; Sor, J.; Itoh, T., “ A novel printed antenna with broadband circular polarization,” Microwave Conference, 1999 Asia Pacific , Vol. 1 , pp.142-145, 1999
[8] Galchenko, N.; Vartanyan, S.;Mathematical, “ Development of electromagnetic methods of printed dipole antenna design Methods in Electromagnetic Theory,” MMET 98. 1998 International Conference on , vol.2, pp. 562–564, 1998
[9] Hoorfar, A.; Chellapilla, K., “Gain optimization of a multi-layer printed dipole array using evolutionary programming,” IEEE Antennas and Propagation Society International Symposium , Vol. 1, pp. 46–49, 1998
[10] Chia-Ching Lin; Chih-Ming Su; Fu-Ren Hsiao; Kin-Lu Wong,” Printed folded dipole array antenna with directional radiation for 2.4/5 GHz WLAN operation,” Electronics Letters , Vol. 39, Issue 24, pp. 1698–1699 2003
[11] Tai-Lee Chen,” Multi-band printed sleeve dipole antenna,” Electronics Letters , Vol. 39, Issue 1, pp. 14–15, 2003
[12] Tyzh-Ghuang Ma; Shyh-Kang Jeng,” A novel compact ultra-wideband printed dipole antenna with tapered slot feed,” IEEE Antennas and Propagation Society International Symposium, Vol. 3, pp. 608–611, 2003
[13] IE3D User Manual 2000 , release7 , Zeland software.
[14] HFSS Index release 9 , Ansoft software.

指導教授

丘增杰(Tsen-Chieh Chiu)

審核日期

2004-6-30

推文