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5. Glossary
wire antenna; linear antenna
Antenna consisting of one or more metal wires of lengths close to the wavelength. Directivity is a few decibels.
printed antenna; patch antenna
Antenna consisting of a ground plane and a dielectric on which a metallic pattern of any shape is printed. Directivity can be as high as ten decibels.
slot antenna
Aperture in a metal guide or plane constituting a radiating aperture. Lengths are close to the wavelength, directivity is a few decibels.
horn antenna; horn antenna
Gradual transition between a guide and free space. The size of the horn opening can be as small as a few wavelengths, and the directivity varies from 10 to 25 decibels.
reflector antenna; antenne à...
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