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一种5.8GHz高效率小型化整流天线
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摘要
本文设计了一种用于无线能量传输的5.8GHz整流天线。一种基于SRR结构的介质集成波导(SIW)背腔结构被用来提高天线的性能同时降低天线的尺寸,最终天线的增益达到6d Bi,天线的尺寸为29×25mm。同时设计了一种基于MA4E1317类整流电路,最终电路的尺寸小于一枚硬币。最后整流天线的效率为65%。此项工作适用于小型化整流天线设计。
In this paper, a rectenna for wireless power transmission(MPT) at 5.8GHz is designed and fabricated. A novel SIW Cavity-Backed antenna base on SRR structure are fabricated to improve the performance of the designed antenna in terms of gain and reducing the size of the antenna. The gain of the antenna reaches 6d Bi, the size of the antenna reduced to 29×25 mm. A rectifier base on MA4 E 1317 has be designed, the volume is smaller than a coin. The MW-to-DC conversion efficiency of the proposed rectifier up to 65%.This work is extremely valuable in the high conversion efficiency rectenna when the space is limited.
引文
[1]L Zhang,BJ Gao,WU Han-Dong,YH Ren“A miniaturized microwave rectenna with high efficiency”in Journal of Northwest University,Feb,2013,p.27
    [2]B.Pendry,A.J.Holden,D.J.Robbins,and W.J.Stewart,"Magnetism for conductors and enhanced nonlinear phenomena",IEEE Trans.Microwave Theory Tech.,vol.47,no.11,pp.2075-2084,Nov.1999.
    [3]M.Mazanek,P.Pechac,and M.Polivka,“Cavity-Backed Patch Antennas,”Tenth International Conference on Antennas and Propagation(Conf.Publ.No.436),Vol.1,pp.126-129,April 1997.
    [4]Hizamel M.Hizan,Ian C.Hunter,Alaa I.Abunjaileh Integrated SIW Filter and Microstrip Antenna”Proceedings of the 40th European Microwave Conference,28-30 September 2010,Paris,France.
    [5]Hizamel M.Hizan,Ian C.Hunter,Alaa I.Abunjaileh Integrated SIW Filter and Microstrip Antenna Proceedings of the 40th European Microwave Conference,28-30 September 2010,Paris,France.

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