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Multilayered Disk Array Structure Surrounded by a Dielectric Ring for Shaping a Flat-Topped Radiation Pattern
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- Authors
- Soon-Young Eom, Seong-Keun Kim, Jong-Gwan Yook
- Issue Date
- 2008-11
- Citation
- IEEE Antennas and Wireless Propagation Letters, v.7, pp.374-376
- ISSN
- 1536-1225
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- A new MDAS-DR antenna structure designed to efficiently shape a flat-topped radiation pattern (FTRP) is proposed. The antenna structure is composed of a stacked microstrip patch exciter and a multilayered disk array structure (MDAS) surrounded by a dielectric ring (DR) with a relative permittivity of 2.05. The MDAS-DR antenna designed at the band of 9.6-10.4 GHz was shown to be capable of shaping a good FTRP with a beam width of about 40째, at least within a fractional bandwidth of 8.0%. © 2008 IEEE.
- KSP Keywords
- Beam width, Disk array, Fractional Bandwidth(FBW), Radiation Pattern, Relative Permittivity, antenna structure, array structure, microstrip patch