MODIFIED TWO-ELEMENT YAGI-UDA ANTENNA WITH TUNABLE BEAMS | Zendy

Baohua Sun | Zendy; Shi-Gang Zhou | Zendy; Yunfei Wei | Zendy; Liu Qi-zhong | Zendy

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MODIFIED TWO-ELEMENT YAGI-UDA ANTENNA WITH TUNABLE BEAMS

Author(s) -

Baohua Sun,

Shi-Gang Zhou,

Yunfei Wei,

Liu Qi-zhong

Publication year - 2010

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/pier09111501

Subject(s) - antenna (radio) , element (criminal law) , physics , telecommunications , engineering , political science , law

A modifled two-element Yagi-Uda antenna with tunable beams in the H-plane (including four signiflcant beams: forward, backward, omni-directional, and bi-directional beams) is presented. These tunable beams are achieved by simply adjusting the short-circuit position of the transmission line connected to the parasitic element. The principle of operation is investigated by examining the current relations between the driven and parasitic elements. Measured results of a fabricated prototype are presented and discussed.

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