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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/82183完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 邱奕鵬(Yih-Peng Chiou) | |
| dc.contributor.author | Chin-Hsien Wu | en |
| dc.contributor.author | 吳晉賢 | zh_TW |
| dc.date.accessioned | 2022-11-25T06:33:20Z | - |
| dc.date.copyright | 2021-08-18 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-08-02 | |
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Ozbay, “Equivalent-circuit models for the design of metamaterials based on artificial magnetic inclusions,” IEEE Transactions on Microwave Theory and Techniques, vol. 55, no. 12, pp. 2865-2873, 2007. [36] Y. Kane, “Numerical solution of initial boundary value problems involving maxwell's equations in isotropic media,” IEEE Transactions on Antennas and Propagation, vol. 14, no. 3, pp. 302-307, 1966. [37] O. C. Zienkiewicz, R. L. Taylor, P. Nithiarasu, and J. Zhu, The Finite Element Method, 3rd ed. London: McGraw-hill, 1977. [38] T. Hayajneh, G. Almashaqbeh, S. Ullah, and A. Vasilakos, “A survey of wireless technologies coexistence in WBAN: Analysis and open research issues,” Wireless Networks, vol. 20, pp. 2165-2199, 2014. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/82183 | - |
| dc.description.abstract | 裂環共振器因為具有負折射率材料的特性，是一種常被使用超穎材料的元件，其作用原理是透過外加磁場產生電磁感應激發出共振模態，此外，裂環共振器結構又可以被視為一個 LC 電路，根據不同目的設計出相對應的共振頻率；裂環共振器從二十世紀末發展至今已相當成熟，從微波、兆赫波到紅外線都有所應用，除了常見的濾波器、吸收器和相位調制器之外，近年來討論度很高的隱形斗篷也可以透過 裂環共振器的陣列結構來達成。 本研究利用數值模擬方法設計矩形裂環共振器，成功設計一組針對 Wi-Fi2.4GHz 頻段之串接三個方形雙裂環共振器，與使用一個矩形單裂環共振器相比，基板尺寸減少 10%，而且-10 dB、-15 dB 頻寬分別變成兩倍及三倍。接著，我們將作用於 Wi-Fi 2.4 GHz 及 Wi-Fi 5 GHz 頻段的方形雙裂環共振器串接在一起，由於彼此間的耦合作用會增加頻寬，僅使用兩大兩小的結構就足以涵蓋這兩個頻段，於-10 dB、-15 dB 頻端都有不錯的表現。根據模擬結果，我們成功設計出一組同時滿足 Wi-Fi 2.4 GHz 及 Wi-Fi 5 GHz 頻段的多頻濾波器。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2022-11-25T06:33:20Z (GMT). No. of bitstreams: 1 U0001-3007202110271600.pdf: 6471355 bytes, checksum: e9fc1825bf13c122aa20cb33f55960ce (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | "口試委員會審定書........................................................................................................... i 誌謝.................................................................................................................................. ii 中文摘要......................................................................................................................... iii ABSTRACT .................................................................................................................... iv 目錄...................................................................................................................................v 圖目錄............................................................................................................................ vii 表目錄...............................................................................................................................x 第一章 緒論............................................................................................................1 1.1 文獻回顧......................................................................................................1 1.2 研究動機....................................................................................................18 1.3 論文架構....................................................................................................19 第二章 基本原理與研究方法 .............................................................................20 2.1 超穎材料(Metamaterial)............................................................................20 2.2 裂環共振器................................................................................................21 2.2.1 單裂環共振器(Circular S-SRR).........................................................21 2.2.2 矩形雙裂環共振器(Square D-SRR) ..................................................23 2.2.3 圓形雙裂環共振器(Circular D-SRR) ................................................28 2.2.4 六邊形雙裂環共振器(Hexagonal D-SRR)........................................29 2.2.5 螺旋共振器.........................................................................................30 2.3 電磁模擬軟體............................................................................................32 第三章 裂環共振器設計與模擬 .........................................................................34 3.1 設計流程....................................................................................................34 3.2 矩形單裂環共振器(Rectangular S-SRR)..................................................36 3.2.1 單裂環共振器邊長2 < 2 ..............................................................39 3.2.2 單裂環共振器邊長2 = 2 ..............................................................40 3.2.3 單裂環共振器邊長2 > 2 ..............................................................41 3.2.4 結果討論.............................................................................................43 3.3 裂環共振器之縮小化................................................................................45 vi 3.3.1 雙裂環共振器(D-SRR) ......................................................................45 3.3.2 三裂環共振器(Triple SRR, T-SRR)...................................................51 3.3.3 結果討論.............................................................................................55 第四章 串接雙裂環共振器 .................................................................................57 4.1 串接雙裂環共振器(Wi-Fi 2.4 GHz) .........................................................57 4.1.1 串接兩個雙裂環共振器(Wi-Fi 2.4 GHz) ..........................................57 4.1.2 串接三個雙裂環共振器(Wi-Fi 2.4 GHz) ..........................................61 4.1.3 結果討論.............................................................................................63 4.2 串接雙裂環共振器(Wi-Fi 5 GHz) ............................................................64 4.2.1 雙裂環共振器(Wi-Fi 5 GHz) .............................................................65 4.2.2 串接兩個雙裂環共振器(Wi-Fi 5 GHz) .............................................67 4.2.3 串接三個雙裂環共振器(Wi-Fi 5 GHz) .............................................68 4.2.4 串接四個雙裂環共振器(Wi-Fi 5 GHz) .............................................70 4.2.5 結果討論.............................................................................................71 4.3 多頻之串接雙裂環共振器(Wi-Fi 2.4 GHz 5 GHz)..............................73 4.3.1 串接兩個雙裂環共振器.....................................................................73 4.3.2 串接三個雙裂環共振器.....................................................................79 4.3.3 串接四個雙裂環共振器.....................................................................84 4.3.4 結果討論.............................................................................................87 第五章 結論..........................................................................................................89 參考文獻...........................................................................................90" | |
| dc.language.iso | zh-TW | |
| dc.subject | 矩形單裂環共振器 | zh_TW |
| dc.subject | 電磁干擾 | zh_TW |
| dc.subject | 超穎材料 | zh_TW |
| dc.subject | 方形雙裂環共振器 | zh_TW |
| dc.subject | Electromagnetic interference(EMI) | en |
| dc.subject | Double square split ring resonator(D-SRR) | en |
| dc.subject | Single split ring resonator(S-SRR) | en |
| dc.subject | Metamaterial | en |
| dc.title | 利用雙裂環共振器以有效抑制電纜線上之Wi-Fi雜訊 | zh_TW |
| dc.title | Efficient Suppression of Wi-Fi Noise on Cable with Double-Split-Ring Resonators | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 賴志賢(Hsin-Tsai Liu),蕭惠心(Chih-Yang Tseng) | |
| dc.subject.keyword | 電磁干擾,超穎材料,矩形單裂環共振器,方形雙裂環共振器, | zh_TW |
| dc.subject.keyword | Electromagnetic interference(EMI),Metamaterial,Single split ring resonator(S-SRR),Double square split ring resonator(D-SRR), | en |
| dc.relation.page | 92 | |
| dc.identifier.doi | 10.6342/NTU202101922 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2021-08-02 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 光電工程學研究所 | zh_TW |
| dc.date.embargo-lift | 2026-08-02 | - |
| 顯示於系所單位： | 光電工程學研究所 | |
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| U0001-3007202110271600.pdf 未授權公開取用 | 6.32 MB | Adobe PDF | 檢視/開啟 |
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