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Sensors 2016, 16(8), 1339; doi:10.3390/s16081339

A Dielectric-Filled Waveguide Antenna Element for 3D Imaging Radar in High Temperature and Excessive Dust Conditions

1
School of Electronic and Information Engineering, Beihang University, Beijing 100191, China
2
School of Automation & Electrical Engineering, University of Science and Technology Beijing, Beijing 100083, China
*
Author to whom correspondence should be addressed.
Academic Editors: Ferran Martín and Jordi Naqui
Received: 7 June 2016 / Revised: 8 August 2016 / Accepted: 12 August 2016 / Published: 22 August 2016
View Full-Text   |   Download PDF [5954 KB, uploaded 22 August 2016]   |  

Abstract

Three-dimensional information of the burden surface in high temperature and excessive dust industrial conditions has been previously hard to obtain. This paper presents a novel microstrip-fed dielectric-filled waveguide antenna element which is resistant to dust and high temperatures. A novel microstrip-to-dielectric-loaded waveguide transition was developed. A cylinder and cuboid composite structure was employed at the terminal of the antenna element, which improved the return loss performance and reduced the size. The proposed antenna element was easily integrated into a T-shape multiple-input multiple-output (MIMO) imaging radar system and tested in both the laboratory environment and real blast furnace environment. The measurement results show that the proposed antenna element works very well in industrial 3D imaging radar. View Full-Text
Keywords: 3D imaging; dielectric-filled antenna; microstrip-to-waveguide transition; industrial radar 3D imaging; dielectric-filled antenna; microstrip-to-waveguide transition; industrial radar
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Xu, D.; Li, Z.; Chen, X.; Wang, Z.; Wu, J. A Dielectric-Filled Waveguide Antenna Element for 3D Imaging Radar in High Temperature and Excessive Dust Conditions. Sensors 2016, 16, 1339.

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