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    Planar Helical Antenna of Circular Polarization by Chen, Zhuozhu, Shen, Zhongxiang

    Published 2016
    “…The designed antenna operates at the center frequency of 10 GHz. Simulated results show that the planar helical antenna achieves wide-impedance bandwidth (|S11| <; -10 dB) from 7.4 to 12.8 GHz (54%) and 3-dB AR bandwidth from 8.2 to 11.6 GHz (34%), while retaining a thickness of only 0.11λ0 at the center frequency. …”
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    Journal Article
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