Progress In Electromagnetics Research C
ISSN: 1937-8718
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By J. Lv, S.-X. Gong, F.-W. Wang, J. Luo, and Y.-X. Zhang

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A novel Quasi-Yagi antenna with low radar cross section (RCS) is proposed in this paper. By using arrow-shaped Koch dipoles as the driver and director and cutting the ground of the antenna, the RCS can be reduced in the operating band of 5 GHz-8 GHz when the incident wave is perpendicular to the antenna plane. Wideband radar absorbing material (WRAM) with frequency selective surface (FSS) is devised to replace the metallic reflect plate of the antenna to reduce the RCS in the maximum radiation direction. The average RCS reduction of the antenna in the frequency band of 3 GHz-12 GHz is 8.0 dB. The simulated and measured results show that there is a considerable RCS reduction of the Quasi-Yagi antenna with WRAM, and the radiation performance is preserved at the same time.

J. Lv, S.-X. Gong, F.-W. Wang, J. Luo, and Y.-X. Zhang, "RCS Reduction of Quasi-Yagi Antenna," Progress In Electromagnetics Research C, Vol. 53, 89-97, 2014.

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