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UWB TEM horn antenna for the asphalt pavement investigation

  • Published:
Journal of Electronics (China)

Abstract

A simple Ultra-WideBand (UWB) exponentially-tapered Transverse ElectroMagnetic (TEM) horn antenna is presented for the asphalt detection based on Ground Penetrating Radar (GPR). In order to reduce the reflections from the antenna aperture, some absorbing material is loaded on the outer surface of the conductor. Comparing with the traditional TEM horn antenna, the proposed antenna has a small size and a large impedance bandwidth. Simulated and measured results show that the proposed TEM horn antenna has a low Voltage Standing Wave Ratio (VSWR) below 2 over the whole band from 0.35 GHz to 12 GHz, good radiation characteristics, and small late-time ringing, which can perfectly meet the requirements of the GPR application.

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Authors and Affiliations

  1. Key Laboratory of Electromagnetic Radiation and Sensing Technology, Beijing, 100190, China

    Jinjin Shao, Guochang Liu, Yicai Ji & Guangyou Fang

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Jinjin Shao & Guochang Liu

  3. Chinese Academy of Sciences, Beijing, 100864, China

    Hejun Yin

  4. No. 19, North 4th Ring Road West, Haidian District, Beijing o100190, China

    Jinjin Shao

Authors
  1. Jinjin Shao
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  2. Guochang Liu
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  3. Yicai Ji
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  4. Guangyou Fang
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  5. Hejun Yin
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Corresponding author

Correspondence to Jinjin Shao.

Additional information

Supported by the National High Technology Research and Development Program (No. 2012AA121901).

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Shao, J., Liu, G., Ji, Y. et al. UWB TEM horn antenna for the asphalt pavement investigation. J. Electron.(China) 31, 24–28 (2014). https://doi.org/10.1007/s11767-013-3128-9

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  • DOI: https://doi.org/10.1007/s11767-013-3128-9

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