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微波工程期末報告

微波工程期末報告. 報告人： 通訊一甲 MA0S0201 林格名. 論文研討： YOUNGHWAN KIM AND SUNGJOON LIM, “ 2.4 GHZ HIGH EFFICIENT RECTENNA USING ARTIFICIAL MAGNETIC CONDUCTOR (AMC) ” , ISAP ， 2011. Southern Taiwan University. Department of Electronic Engineering. OUTLINE. Abstract 1. Introduction

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微波工程期末報告

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  1. 微波工程期末報告 報告人： 通訊一甲 MA0S0201 林格名 論文研討：YOUNGHWAN KIM ANDSUNGJOON LIM, “ 2.4GHZ HIGH EFFICIENT RECTENNA USING ARTIFICIAL MAGNETIC CONDUCTOR (AMC) ”, ISAP，2011 Southern Taiwan University Department of Electronic Engineering

  2. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  3. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  4. Abstract • 設計在 2.4GHz 高效率人造磁導體之整流天線。 • 與 AMC 之結構天線並具有高指性天線。 • RF 轉換 DC 之效率為 61.4%。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  5. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  6. Introduction • 微波功率傳輸最重用之一整流天線。 • RFPower 轉換 DC Power。 • Antanna、BPF、LPF、Diode andResistive load. • 採用帶通濾波器來有效抑制2階與3階諧波。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  7. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  8. Rectenna Design using AMC Superstrate • 在長距離傳輸時，高增益天線可有效增加整流天線之傳輸效率。 • AMC與板材之間為1/4波長之空氣層。 • 2階與3階BPF可有效抑制能量並在2.4 GHz有更加的轉換效率 。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  9. Rectenna Design using AMC Superstrate AMC板材：RT duroid 6010 介電系數：10.2 板厚：1.27mm 板材大小：14.5 mm*14.5 mm 天線板材：RTduroid5880 介電系數：2.2 板厚：1.6 mm 板材大小：40.5 mm *40.5 mm 介電係數較低時，有較良好的輻射性能。 BPF之整流電路、LPF及整流二極體皆在此板材上。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  10. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  11. Rectenna Performances • 於AMC superstrate確實符合在2.4GHz有10dBi 增益上。 • 此圖為 2.4GHz 之量測與模擬圖 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  12. Rectenna Performances • 轉換效率定義如下： • DC 功率輸出與RF 輸入功率之間比值 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  13. Rectenna Performances • 為 2.4GHz 時。 • 當負載電阻為932Ω，計算轉換效率如左圖。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  14. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  15. Conclusion • 運用於2.4 GHz 之高效率整流天線。 • 當遠距離傳輸時，AMC 作為整流天線，以利提高傳輸效率。 • 二階及三階BPF來諧波抑制並增加轉換效率。 • 在2.4GHz 採用AMC 與 諧波抑制BPF，可提高61.4%之轉換效率。 Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  16. OUTLINE • Abstract • 1. Introduction • 2. Rectenna Design using AMC Superstrate • 3. Rectenna Performances • 4. Conclusion • References Younghwan Kim andSungjoon Lim,“2.4GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP，2011

  17. References [1] Y.H. Suh, K. Chang, “A high efficiency dual-frequency rectenna for 2.45- and 5.8-GHzwireless power transmission” IEEE Trans. Microwave Theory Tech., vol. 50, no. 7, pp.1784-1789, July, 2002. [2] J.Y. Park, SM. Han, T. Itoh,”A rectenna design with harmonic- rejecting circular-sector antenna” IEEE Antennas and wireless propagation letter., vol. 3, pp.52 - 54 2004 [3] J.A. Hagerty, F.B. Helmbrecht, W.H. McCalpin, R. Zane, Z.B. Popovic´,” Recycling ambient microwave energy with broad-band rectenna arrays” IEEE Trans. Microwave Theory Tech., vol. 52, pp. 1014-1024, March, 2004. [4] A.P. Feresidis, G. Goussetis, S. Wang, J.C. Vardaxoglou. “Artificial magnetic conductor surfaces and their application to low-profile high-gain planar antennas” IEEE Antennas and wireless Propagat., vol. 53, no. 1, pp.209 - 215, January, 2005.

  18. 本人對整流天線看法 • 無線功率傳輸的一種方式，接收微波能量來轉換成直流能量。加入AMC原件來達到高效率之整流天線，並整合BPS、LPS、整流二極體之整流電路。 • 人造磁導體與整流電路結合可有向提高性能。

  19. 問題: • AMC與天線電路之間的介質為何? • Ans：介質為空氣層。

  20. Q&A 謝 謝 聆 聽

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