Title :
Double beam direction control of a centimetre reflector antenna
Author :
Fernandes, Antonio S C
Author_Institution :
Inst. Superior Tecnico, Tech. Univ. of Lisbon, Portugal
Abstract :
It is shown that a slotted rectangular waveguide acting as a leaky wave feeder in a cylindrical parabolic focal line radiates two symmetric beams. The radiation angle may be controlled both in a fast and a slow fashion. The guide´s width acts as the fast control and the slot´s width is the fine tuning. This radiating structure may be used as a flexible TV double satellite receiver
Keywords :
antenna feeders; antenna theory; receiving antennas; reflector antennas; television antennas; waveguide antennas; centimetre reflector antenna; cylindrical parabolic focal line; double beam direction control; fast control; fine tuning; flexible TV double satellite receiver; guide width; leaky wave feeder; microwave antenna; radiation angle; slot width; slotted rectangular waveguide; symmetric beams; Antennas and propagation; Attenuation; Communication system control; Directive antennas; Propagation constant; Rectangular waveguides; Reflector antennas; Satellite broadcasting; Slot antennas; Waveguide components;
Conference_Titel :
Electrotechnical Conference, 1991. Proceedings., 6th Mediterranean
Conference_Location :
LJubljana
Print_ISBN :
0-87942-655-1
DOI :
10.1109/MELCON.1991.161927
