Gridded Vivaldi Antenna Feed System for the Northern Cross Radio Telescope

The design of a broadband antenna feed system for the cylindrical offset parabolic reflector of the Italian Northern Cross radio telescope is described. Its operative frequency band spans from the Low Frequency Array (LOFAR) upper band, i.e. 120-240 MHz, to the present telescope operative band cente...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2011-06, Vol.59 (6), p.1963-1971
Hauptverfasser:	Virone, G, Sarkis, R, Craeye, C, Addamo, G, Peverini, O A
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Antenna feeds Antenna radiation patterns Arrays Broadband Computer programs Feeds Finite element methods Frequency bands Illumination Mathematical models Moment methods Radio astronomy Radio telescopes Reflection reflector antennas square kilometer array (SKA)
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