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A novel radar-absorbing-material based on EBG structure

โœ Scribed by Qiang Gao; Yan Yin; Dun-Bao Yan; Nai-Chang Yuan

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
82 KB
Volume
47
Category
Article
ISSN
0895-2477

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โœฆ Synopsis

The proposed DR antenna has wide bandwidth with enhanced gain. The experimental density of the DR material used in the proposed rectangular DRA is only 4.04 g/cm 3 . Hence, the weight of newly constructed antenna is also comparatively low. Moreover, the high-dielectric-constant material ( r ฯญ 48), has given an additional one-third reduction in area to the DRA, compared with the corresponding microstrip-patch antenna.

4. CONCLUSION

A novel rectangular DRA excited by T-shaped microstrip-transmission feed line has been studied. The antenna, with a bandwidth of 635 MHz at 2.975 GHz was found to exhibit excellent radiation performances. The measured properties of the rectangular DRA indicate that this antenna is more advantageous than other antennas currently being used in many respects and is desirable for applications in millimetre and microwave frequencies throughout the communications field.

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