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Ka-band Dielectric Waveguide Antenna Array for Millimeter Wave Active Imaging System

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Abstract

Ka-band compact dielectric waveguide antenna array for active imaging system is given. Antenna array with WR28 metal waveguide direct feeding is specially designed with small size, high gain, good radiation pattern, easy realization, low insertion loss and low mutual coupling. One practical antenna array for 3-D active imaging system is shown with theoretic analysis and experimental results. The mutual coupling of transmitting and receiving units is less than -30dB, the gain from 26.5GHz to 40GHz is (12-16) dB. The results in this paper provide guidelines for the designing of millimeter wave dielectric waveguide antenna array.

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Acknowledgement

The work described in this paper is supported by China Postdoctoral Science Foundation funded project (No. 2014M550782).

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Authors and Affiliations

  1. Beijing Institute of Radio Metrology and Measurement, Beijing, 100039, People’s Republic of China

    Weihai Fang, Peng Fei, Feng Nian, Yujie Yang & Keming Feng

  2. Science and Technology on Metrology and Calibration Laboratory, Beijing, 100039, People’s Republic of China

    Weihai Fang, Peng Fei, Feng Nian, Yujie Yang & Keming Feng

Authors
  1. Weihai Fang
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  2. Peng Fei
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  3. Feng Nian
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  4. Yujie Yang
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  5. Keming Feng
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Correspondence to Weihai Fang.

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Fang, W., Fei, P., Nian, F. et al. Ka-band Dielectric Waveguide Antenna Array for Millimeter Wave Active Imaging System. J Infrared Milli Terahz Waves 35, 962–973 (2014). https://doi.org/10.1007/s10762-014-0097-5

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  • DOI: https://doi.org/10.1007/s10762-014-0097-5

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