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研究生:朱智鈺
研究生(外文):Chih-Yu Chu
論文名稱:基地台陣列天線之設計與切換波束式智慧型天線之研製
論文名稱(外文):Design of the Base Station Antenna Array and Implementation of the Switched-Beam Antenna
指導教授:林根煌林根煌引用關係
指導教授(外文):Ken-Huang Lin
學位類別:碩士
校院名稱:國立中山大學
系所名稱:電機工程學系研究所
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:2002
畢業學年度:90
語文別:英文
論文頁數:88
中文關鍵詞:陣列天線角型反射器切換波束式天線
外文關鍵詞:Corner ReflectorAntenna ArraySwitched-Beam Antenna Array
相關次數:
  • 被引用被引用:1
  • 點閱點閱:672
  • 評分評分:
  • 下載下載:232
  • 收藏至我的研究室書目清單書目收藏:1
在本論文中,我們研究陣列理論及陣列設計方法,以設計一組合垂射共線天線陣及牆角形反射器之扇型天線,使之適合基地台之使用。為減低同頻幹擾,此一天線在水平面將輻射一扇形場型,在這方向之場型將由一牆角形天線加以調整。在鉛垂面上,此一天線將產生一較窄之波束以提供較高之天線增益。由於一般均勻天線之旁瓣位準無法有效降低,會造成幹擾,因此我們擇用契比雪夫法及泰勒法等非均勻天線設計法,計算出不同要求的設計參數,並設計出反射器結構,組合成一120度扇形天線。此外,我們探討切換波束式智慧型天線的原理,設計製作一組4×1的微帶陣列天線,以模擬切換式系統的作並量測其效能。
In this thesis, we study the array theory and the array synthesis methods to design a sector antenna composed of a broadside collinear array and a corner reflector that is suitable for base stations. The antenna produces a sector beam in the horizontal plane to reduce the co-channel interference. In the elevation plane the antenna produces a narrower beam in order to achieve a higher gain. A uniform array is known to produce a high side lobe level which will cause serious interference. Therefore, Dolph-Tchebyscheff linear array method and Taylor line source method are utilized for the antenna design. We also design the structure of corner reflector which is combined with an array to form the sector antenna. We also study the switched-beam system, design and fabricate a 4×1 microstrip patch antenna array to simulate the operation of the system and measure its performance.
Contents
Acknowledgementii
摘 要iv
Abstractv
Contentsvi
List of Figuresviii
List of Tablesxi
Chapter 1 Introduction1
1.1 BACKGROUND1
1.2 STATEMENT OF PURPOSE2
1.3 OUTLINE OF THE ESSAY2
Chapter 2 Array Antenna Theory3
Chapter 3 Array Synthesis Methods and Design6
3.1 DOLPH-TCHEBYSCHEFF LINEAR ARRAY METHOD6
3.2 TAYLOR LINE SOURCE METHOD15
3.3 DOWNTILT ANGLE25
Chapter 4 The performances and design parameters of sector antennae28
4.1 SECTORING IN CELLULAR SYSTEM29
4.2 CORNER REFLECTOR30
4.3 THE CONFIGURATION OF SECTOR ANTENNA32
4.4 SUMMARY42
Chapter 5 Implementation of a 4×1 switched-beam array45
5.1 SWITCHED-BEAM SYSTEM46
5.2 MICROSTRIP PATCH ANTENNA50
5.3 DESIGN AND SIMULATION55
5.4 IMPLEMENTATION AND MEASUREMENT59
5.5 SUMMARY64
Chapter 6 Conclusion and Further Research65
Bibliography67
Appendix Ⅰ69
Appendix Ⅱ74
Appendix Ⅲ79
Appendix Ⅳ84
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