Publisher： Cambridge University Press
E-ISSN： 1759-0795|4|1|37-43
ISSN： 1759-0787
Source： International Journal of Microwave and Wireless Technologies, Vol.4, Iss.1, 2012-02, pp. : 37-43
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Abstract
In designing a Foreign Object Debris (FOD) detection system on airport runways, this paper deals with the performance of a 77 GHz reflectarray antenna (RA). Debris may be very small and have low radar cross section (RCS), leading to design a high gain primary-fed offset RA. To minimize the aperture blockage, the main radiation lobe is in the specular direction. The antenna has a maximum gain of 40 dBi and aperture efficiency of 50% over the frequency band 76–77 GHz. First measurements using a 77 GHz radar module were carried out on pavement.
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