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研究生： 陳冠宇
Guan-Yu Chen
論文名稱： 應用於車內數位廣播接收系統之天線設計
Antenna Design for In-Car Digital Broadcasting Receiver
指導教授： 楊成發
Chang-Fa Yang
口試委員: 胡龍融
Lon-Rong Hu
李學智
Hsueh-Jyh Li
馬自莊
Tzyh-Ghuang Ma
廖文照
Wen-Jiao Liao
學位類別： 碩士
Master
系所名稱： 電資學院 - 電機工程系
Department of Electrical Engineering
論文出版年： 2013
畢業學年度： 101
語文別： 中文
論文頁數： 86
中文關鍵詞： 數位音訊廣播 、數位電視廣播 、倒F天線 、單極天線 、車用天線 、薄膜天線
外文關鍵詞： DAB, DVB-T, Inverted-F Antenna, Monopole Antenna, In-Car Antenna, Film Antenna
相關次數： 點閱：371  下載：2 
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    • 本論文首先針對車用數位音訊廣播（Digital Audio Broadcasting, DAB）接收天線進行設計，提出兩款能涵蓋DAB Band III（170-240 MHz）之倒F天線，接下來再提出能涵蓋DVB-T台灣頻帶（530-602 MHz）之倒F天線與單極天線，以及一款能涵蓋DVB-T UHF全頻帶（470-860 MHz）之單極天線。所有天線皆印刷成薄膜天線的形式，並沿著汽車A柱安裝在前擋風玻璃上，不但在DAB與DVB-T頻帶上能有良好的特性外，且佔據面積小，使駕駛視覺更為舒適。在與產學合作公司飛鳥半導體一起努力下，不但保持天線良好特性，更改善天線的安裝方式，使得安裝更為簡便。本研究使用電磁模擬軟體進行天線分析與設計，所研發之薄膜天線的反射係數、輻射場型、輻射效率皆有良好的表現。實測驗證部份，乃使用本校無反射實驗室搭配汽車模型進行反射係數與輻射場型的量測，所得量測結果與模擬趨勢相當一致，具有高度的商業應用價值，而部份設計並已進行量產中。

    First, two inverted-F antenna design for digital broadcasting services and in-car entertainment applications which can operate in digital audio broadcasting (DAB) Band III (170-240 MHz) are presented. Then, an inverted-F antenna and a monopole antenna design for in-car DVB-T Taiwan band (530-602 MHz) applications are presented. Also, a monopole antenna design for in-car DVB-T U band (470-860 MHz) applications is presented. All antennas have simple structure and proper size, which can reduce blockages to driver’s visions. Those antennas are appropriate to be fabricated in a thin-film type and attached on the front windshield of a car along the edges of the A-pillars. Through joint efforts with the collaborating company, Asuka Semiconductor Inc., those antennas can be installed easily and also function well. Measurements in an anechoic chamber at Taiwan Tech together with a car model have been performed. Good agreements between simulation and measurements are obtained. Required performances in reflection coefficient, radiation pattern, and radiation efficiency are achieved for practical applications. Some of the designs are in mass production now.

    摘要 ....................................................................................................................................... I Abstract ................................................................................................................................ II 致謝 .................................................................................................................................... III 圖目錄 ............................................................................................................................... VII 表目錄 ................................................................................................................................. X 第一章 緒論 ......................................................................................................................... 1 1.1前言 ......................................................................................................................... 1 1.2 研究動機 ................................................................................................................ 3 1.3 章節概述 ................................................................................................................ 4 第二章倒F天線演進 ........................................................................................................... 6 2.1 雙極天線（Dipole antenna） ................................................................................ 6 2.2單極天線（Monopole antenna） ........................................................................... 6 2.3倒L天線（Inverted-L antenna） .......................................................................... 7 2.4倒F天線（Inverted-F antenna） ........................................................................... 7 2.5 結論 ...................................................................................................................... 14 第三章 DAB 薄膜倒F天線設計 .................................................................................... 15 3.1 前言 ...................................................................................................................... 15 3.2 DAB薄膜倒F天線：DAB-105R ....................................................................... 16 3.3 DAB薄膜倒F天線：DAB-105L ....................................................................... 19 3.3.1 DAB-105L天線架構 ......................................................................................... 20 3.3.2 DAB-105L 天線各項參數模擬與量測結果 .................................................... 22 3.3.3 小結 ................................................................................................................... 26 3.4 DAB薄膜倒F天線：DAB-103R ....................................................................... 26 3.4.1 DAB-103R天線架構 ......................................................................................... 27 V 3.4.2 DAB-103R 天線各項參數模擬與量測結果 .................................................... 27 3.4.3小結 .................................................................................................................... 31 3.5 DAB薄膜倒F天線參數分析 ............................................................................. 31 3.5.1天線走線使用不同銅厚之影響 ........................................................................ 32 3.5.2將移除接地銅箔的影響 .................................................................................... 33 3.5.3安裝位置的影響 ................................................................................................ 37 3.5.4天線走線由銅製程換成銀膠製程的影響 ........................................................ 40 3.5.5天線與A柱金屬間距的影響 ........................................................................... 42 3.5.6簡易天線驗證方法 ............................................................................................ 47 3.6 結論 ...................................................................................................................... 49 第四章 DVB-T數位電視接收天線 .................................................................................. 50 4.1 前言 ...................................................................................................................... 50 4.2 DVB-T薄膜倒F天線：DTV-T203 .................................................................... 50 4.2.1 DTV-T203 天線架構......................................................................................... 51 4.2.2 DTV-T203 天線各項參數模擬與量測結果..................................................... 53 4.2.3 DTV-T203 天線參數分析................................................................................. 57 4.2.4 DTV-T203與市面上競爭對手-A之比較 ........................................................ 63 4.2.5小結 .................................................................................................................... 70 4.3 DVB-T薄膜單極天線：新DTV-T203 ............................................................... 70 4.3.1新DTV-T203天線架構..................................................................................... 72 4.3.2新DTV-T203天線各項參數模擬結果............................................................. 75 4.3.3小結 .................................................................................................................... 78 4.4 DVB-T薄膜單極天線：DTV-F........................................................................... 78 4.4.1 DTV-F 天線架構 ............................................................................................... 78 4.4.2 DTV-F天線各項參數模擬結果 ........................................................................ 80 VI 4.4.3 小結 ................................................................................................................... 82 4.5 結論 ...................................................................................................................... 82 第五章 結論 ....................................................................................................................... 83 5.1 總論 ...................................................................................................................... 83 5.2 未來研究與發展 .................................................................................................. 84 參考文獻 ............................................................................................................................. 85

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