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Sunflower antenna: synthesis of sparse planar arrays for satellite applications
Maria C. Viganò, Cyril Mangenot, Giovanni Toso, Gerard Caille, Antoine G. Roederer, Ioan E. Lager, Leo P. Ligthart
43 - 54
10.3233/978-1-60750-487-0-43
Antennas for ubiquitous radio services in a wireless information society
Abstract

This paper gives an overview of recent advancements on the design of an innovative sparse array for multibeam satellite applications. Just using a non-uniform placement of the radiators, without resorting to any excitation taper, an array antenna able to satisfy stringent requirements in terms of sidelobe level and beamwidth has been designed. In order to reduced the number of active controls, differently sized sub-arrays, composed of 1, 2 or 3 elementary square array tiles, are used in the design.

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