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| Application of Compact Electromagnetic Band-Gap Structure to Shorted Micro-strip Antenna |
| Zheng Qiu-rong; Yuan Nai-chang; Fu Yun-qi |
| College of Electronic Technology and Engineering, NUDT, Changsha 410073, China |
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Abstract A micro-strip shorted antenna with Compact Electromagnetic Band-Gap structure (CEBG) is presented. A shorted antenna with identical dimensions on a conventional ground plane is also included, so that a direct performance comparison can be made. Measured data shows a gain improvement of 3dB and a significant reduction in cross polarization for the CEBG antenna. Meanwhile it also proves that to design the same resonant frequency, the CEBG structure cell size is only about 50–60% of conventional structure, and this is significant in realizing EBG micro-strip phased antenna array.
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Received: 07 November 2005
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2007, Vol. 29 
