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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (2 ): 5-    DOI: 10.1631/jzus.2007.A0192
    
Improved patch antenna performance by using a metamaterial cover
ZHU Fang-ming, HU Jun
Department of Electrical Engineering, Hangzhou Teachers College, Hangzhou 310036, China; Center for Optical and Electromagnetic Research, Zhejiang University, Hangzhou 310027, China
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Abstract  A new patch antenna system with a metamaterial cover is presented in this paper. The impedance, radiation pattern, and directivity of such an antenna are studied. A performance comparison between the conventional patch antenna and the new metamaterial patch antenna is given. The results show that the directivity of the metamaterial patch antenna is significantly improved. The effect of the metamaterial cover’s layer numbers on the radiation pattern of the patch antenna is also studied.

Key words： Directivity      Metamaterial      Patch antenna     
Received: 20 May 2006     
CLC:  TN82  
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ZHU Fang-ming
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Cite this article:

ZHU Fang-ming, HU Jun. Improved patch antenna performance by using a metamaterial cover. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(2 ): 5-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A0192     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I2 /5

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