圓極化槽孔天線之縮小化及增加軸比頻寬之研究 陳智崴、許崇宜
E-mail: 9607734@mail.dyu.edu.tw
摘 要
在本論文中,提出採用共平面波導饋入型式的圓極化槽孔天線縮小化及增加軸比頻寬之天線設計,圓極化天線設計結構是 利用共平面波導饋入設計為閃電形,達圓極化操作,而在槽孔中植入L形接地金屬微帶是為了增強圓極化操作頻寬。 天線 設計原理是使用輻射體微擾與饋入段延伸微擾的設計方式激發出具有振幅相等且相位差90。的兩正交共振模態,達成圓極 化操作之槽孔天線設計。此天線整合輻射體微擾結構與饋入段延伸微擾結構的設計方式,能有效增強圓極化操作頻寬,並 以特殊共平面波導饋入,將匹配具有圓極化操作頻帶,達成寬頻縮小化的天線設計。
關鍵詞 : 圓極化,縮小化型式,頻寬,金屬,軸比頻寬
目錄
目錄 封面內頁 簽名頁 授權書..................... iii 中文摘要..............
...... iv 英文摘要.................... v 誌謝...................
... vi 目錄...................... vii 圖目錄....................
. ix 表目錄..................... xii 第一章 緒論 1.1 前言...............
..... 1 1.2 研究動機.................. 4 1.3 內容提要.................
. 4 第二章 圓極化操作印刷槽孔天線介紹 2.1 圓極化操作印刷槽孔天線分類......... 6 2.2 圓極化操作印刷槽 孔天線分類的性能評析.... 15 第三章 大幅增強圓極化操作頻寬之共平面波導饋入式 印刷槽孔天線設計 3.1 概述.
................... 17 3.2 天線設計.................. 18 3.3 實驗結果討論
................ 20 3.4 天線設計流程................ 34 3.5 植入不同尺寸雙L形 接地金屬微帶對天線性能的影 響..................... 36 3.6 本章綜合結論.........
....... 39 第四章 結論.................. 40 參考文獻...............
..... 43 參考文獻
[1] http://www.garmin.com.tw/index.htm (GARMIN-全球導航) [2] http://broadband.inmarsat.com/ [3] http://wimax.tw/ [4] Qing, X. and Chia, Y. W. M., “A Novel Single-Feed Circular Polarized Slotted Loop Antenna,” IEEE AP-S Int. Symp. Dig., pp.248-251, 1999.
[5] Chen, W. S., Huang, C. C., and Wong, K. L., “Microstrip-Line-Fed Printed Shorted Ring-Slot Antennas for Circular Polarization,”
Microwave Opt. Technol. Lett., Vol. 31, pp. 137-140, 2001.
[6] Wong, K. L., Wu, J. Y., and Wu, C. K., “A Circularly Polarized Patch-Loaded Square-Slot Antenna,” Microwave Opt. Technol. Lett., Vol.
23, pp. 363-365, 1999.
[7] Kow-Ming Chang , Ren-Jie Lin, I-Chung Denng, and Qing-Xiang Ke, “A Novel Design of A Microstrip-Fed Shorted Square-Ring Slot Antenna For Circularly Polarized,” Microwave Opt. Technol. Lett., Vol. 49, pp.1684-1687, 2007.
[8] Sze, J. Y., Wong, K. L., and Huang, C. C., “Coplanar Waveguide-Fed Square Slot Antenna for Broadband Circularly Polarized Radiation,”
IEEE Trans. Antennas Proporgat., Vol. 51, pp. 2141-2144, 2003.
[9] C.C.Chou, K.H.Lin and H.L.Su, “Broadband Circular Polarised Cross patch-loaded Square Slot Antenna ,” Electron Lett., Vol. 43,2007.
[10] Y.B. Chen, X.F. Liu, Y.C. Jiao and F.S. Zhang “CPW-fed broadband circularly polarized square slot antenna,” Electron Lett. Vol.
42,2006.
[11] K.-M. Chang, R.-J. Lin, I-C. Deng, J.-B. Chen, K.Q. Xiang, and C.J. Rong,“A Novel Design Of A CPW-Fed Square Slot Antenna With Broadband Circular Polarization,”Microwave Opt. Technol. Lett., Vol. 48, pp.2456-2459, 2006 [12] I-C. Deng, R.-J. Lin, K.-M. Chang, and J.-B. Chen,“Study Of A Circularly Polarized CPW-Fed Inductive Square Slot antenna,”Microwave Opt. Technol. Lett., Vol. 48, pp.1665-1667, 2006 [13] Minard, P., and Louzir, A. T., “A New Wide Frequency Band Feeding echnique of Annular Slot Antenna,” IEEE AP-S Int. Symp.
Dig., pp.406-409, 2002.
[14] Row, J. S., “The Design of A Squarer-Ring Slot Antenna for Circular Polarization,” IEEE Trans. Antennas Propagat., Vol. 53, pp.1967-1972, 2005.
[15] Qing, X. and Chia, Y. W. M., “A Novel Single-Feed Circular Polarized Slotted Loop Antenna,” IEEE AP-S Int. Symp. Dig., pp.248-251, 1999.
[16] 歐育和,“縮小化之寬頻圓極化印刷槽孔天線之研究”,碩士論 ,國防大學中正理工學院,桃園,2006。
[17] Qing, X. M. and Chia, Y. W. M., “Circularly Polarised Circular Ring Slot Antenna Fed by stripline Hybrid Coupler,” Electron Lett., Vol.
35, pp.2145-2155, 1999 [18] Qing, X. M. and Chia, Y. W. M., “Broadband Circularly Polarised Slot Loop Antenna Fed by Three-Stub Hybrid Coupler,” Electron Lett., Vol. 35, pp.1210-1211, 1999.
[19] Behdad, N. and Sarabandi, K., “A Multiresonant Single-Element Wideband Slot Antenna,” IEEE Trans. Antennas Proporgat., Vol. 3, pp.5-8, 2004.
[20] Sze, J. Y. and Wong, K. L., “Bandwidth Enhancement of a Microstrip-Line-Fed Printed Wide-Slot Antenna,” IEEE Trans. Antennas Proporgat., Vol. 49,pp.1020-1024, 2001 [21] 張基展,“雙頻及寬頻帶圓極化操作之印刷槽孔天線設計”,碩士論文,國防大學中正理工 學院,桃園,2005。