P. Dolea, T. Palade, Cristian Codau, Rares-Calin Buta, Raluca Simedroni, E. Puschita, O. Cristea, A. Pastrav
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Abstract
In the context of retrofitting a 3.8m C&Ku band parabolic dish antenna for the reception of FMCW signals at 5.84GHz in a bistatic radar configuration, this paper presents the design and selection of a suitable feedhorn. First, two feedhorn designs are proposed and the most suitable one is selected based on performance evaluation through simulations. Next, the selected feedhorn is manufactured and its performance is validated through radiation measurements in an anechoic chamber in terms of gain, beamwidth, and F/B ratio. Finally, the behavior of the antenna system comprising the parabolic reflector and the proposed feedhorn is illustrated by means of simulation.
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