Ka-band Dielectric Waveguide Antenna Array for Millimeter Wave Active Imaging System |
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| Authors: | Weihai Fang Peng Fei Feng Nian Yujie Yang Keming Feng |
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| Affiliation: | 1. Beijing Institute of Radio Metrology and Measurement, Beijing, 100039, People’s Republic of China
2. Science and Technology on Metrology and Calibration Laboratory, Beijing, 100039, People’s Republic of China
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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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