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PIER PIER B PIER C PIER M PIER Letters
2009-12-16
Modified Two-Element Yagi-Uda Antenna with Tunable Beams
By
Bao-Hua Sun,

    Dr. Bao-Hua Sun

    Xidian University

    China

    Homepage

Shi-Gang Zhou,

    Dr. Shi-Gang Zhou

    National Laboratory of Antennas and Microwave Technology

    Xidian University

    China

    Homepage

Yun-Fei Wei,

    Dr. Yun-Fei Wei

    Xidian University

    China

    Homepage

Qi-Zhong Liu

    Professor Qi-Zhong Liu

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research, Vol. 100, 175-187, 2010
doi:10.2528/PIER09111501
Abstract
A modified two-element Yagi-Uda antenna with tunable beams in the H-plane (including four significant 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.
Citation
Bao-Hua Sun, Shi-Gang Zhou, Yun-Fei Wei, and Qi-Zhong Liu, "Modified Two-Element Yagi-Uda Antenna with Tunable Beams," Progress In Electromagnetics Research, Vol. 100, 175-187, 2010.
doi:10.2528/PIER09111501
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