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研究生:盧威全
研究生(外文):Wei-Cyuan Lu
論文名稱:應用於金屬物品之無線射頻辨識系統之天線設計
論文名稱(外文):Design of RFID Antennas for Metallic Objects Applications
指導教授:陳華明陳華明引用關係林憶芳林憶芳引用關係
指導教授(外文):Hua-Ming ChenYi-Fang Lin
口試委員:陳華明林憶芳陳振聲陳弘典
口試委員(外文):Hua-Ming ChenYi-Fang LinJin-Sen ChenHorng-Dean Chen
口試日期:2014-07-16
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:光電與通訊工程研究所
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:2014
畢業學年度:102
語文別:中文
論文頁數:69
中文關鍵詞:無線射頻標籤環形天線偶極天線強磁場偶合共振金屬
外文關鍵詞:RFID TagLoop AntennaDipole AntennaStrongly Coupled Magnetic ResonanceMetallic
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本論文研究主題為應用於金屬物品之無線射頻辨識系統設計,論文為設計兩種不同形式標籤天線,所述之無線射頻辨識標籤天線操作於UHF頻段,標籤天線都採用Alien H4晶片作為設計依據。第一款為具U形匹配之偶極標籤天線,使用簡單U形調節機制,並且蜿蜒路徑來減少標籤尺寸,方便置於ABS塑膠件內,最遠讀取距離可達約2.4公尺,第二款使用將近場標籤天線內藏於金屬內的設計,本標籤天線採用環形天線與晶片進行阻抗匹配,來克服標籤天線在金屬環境下讀取不到的問題,其最遠讀取距離約2公分,又將其結合另一線圈形成雙環形結構,可改善環形天線讀取距離,最遠讀取距離提升到2.3公分。對於本論文所提出的標籤天線詳細的模擬與實測數據在本論文中將會說明與討論。
The main objective of this thesis presents the design of RFID antennas for metallic objects applications. Two different types of tag antenna are designed and operated at UHF band. Both tag antennas are designed to impedance matching of Alien H4 chip. The first proposed antenna is a dipole tag antenna with U-shaped structure for impedance matching, which can reduce the size by increasing meander paths. This antenna set to the ABS plastic box achieves the reading distance approximately 2.4 m for EIRP 4W. The second proposed antenna is designed to embed in the metal materials. It adopts the loop structure to match the impedance with the chip, so that the tag can overcome that it can not be read in the metal environment. The read distance can achieve approximately 2 cm. Finally, the double loop design can enhance the read distance successfully up to 2.3 cm. Details of the measured and simulated results of the proposed tag antennas are presented and discussed.
摘 要 i
ABSTRACT ii
致 謝 iii
目 錄 iv
表 目 錄 v
圖 目 錄 vi
第一章 序論 1
1.1 研究背景 1
1.2 射頻辨識系統 4
1.3 晶片規格 5
1.4 研究動機 10
1.5 研究內容 10
第二章 具U形匹配之偶極標籤天線設計 12
2.1 前言 12
2.2 天線原理與設計 12
2.3 天線實驗結果與討論 17
2.4 結論 26
第三章 應用於金屬物品之近場標籤天線設計 27
3.1 前言 27
3.2 天線原理與設計 27
3.3 天線實驗結果與討論 42
3.4 結論 54
第四章 結合雙環形結構共振之近場標籤天線設計 55
4.1 前言 55
4.2 天線原理與設計 55
4.3 天線實驗結果與討論 62
4.4 結論 65
第五章 結論與未來發展 66
參考文獻 68
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