NASA NTRS · 19820000134
Dipole-Excited Ring Antenna
Abstract
Dipole radiator drives ring radiator in compact C-band antenna. Antenna can be mounted flush with surface. Compared with horn or parabolic dish with same aperature, new ring antenna has greater gain, lower side lobes, and narrower beam width. Used on vehicles requiring flush-mounted antennas with very directive signals. Used as radar altimeter antenna for aircraft.
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Ellis, H., Jr. 1982-03-01. Dipole-Excited Ring Antenna. https://ntrs.nasa.gov/citations/19820000134
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