A NOVEL LOW-PROFILE WIDEBAND UHF ANTENNA | Zendy

Aixin Chen | Zendy; Jiang Tie-hua | Zendy; Zhizhang Chen | Zendy; Donglin Su | Zendy

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A NOVEL LOW-PROFILE WIDEBAND UHF ANTENNA

Author(s) -

Aixin Chen,

Jiang Tie-hua,

Zhizhang Chen,

Donglin Su

Publication year - 2011

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier11081302

Subject(s) - ultra high frequency , wideband , antenna (radio) , telecommunications , electrical engineering , acoustics , computer science , physics , engineering

In this paper, an ultra high frequency (UHF) low-proflle antenna is proposed; it is based on the discone antenna but with addition of a back cavity, a short-circuiting structure and a two-plate top structure in order to achieve both low-proflle and wideband. It is simulated and prototyped. The test results show that the antenna has an omni-directional radiation pattern in the horizontal plane, is of low-proflle, has a height of less than 0.1‚max, and is wideband with an impedance bandwidth of 65% from 430MHz to 845MHz for VSWR < 2:5 and an impedance bandwidth of 43% from 440MHz to 680MHz for VSWR < 2:0. The proposed antenna can be easily ∞ush- mounted on a planar surface and therefore has great potential for uses on aircrafts and high-speed trains due to its conformal capability.

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