Electronically scanned transmitting antenna.

摘要

The invention relates to an antenna electronically scanned in transmission, comprising an energy-focusing reflector (10), an array (11) of elementary sources, situated in the focal zone of this reflector, so as to produce the synthesis of the electromagnetic field in this focal zone, characterised in that it possesses a zone of coverage, produced by several adjacent spots, which is covered partially and simultaneously by one or more beams whose pathways are independent and using to do this the same number m of elementary sources (or groups of sources) each selected from m classes of sources which are never called upon simultaneously in one beam, so that at each instant an elementary source belonging to one and only one class is called upon, the switching of the sources ensuring the agility of the beam or beams. Application in particular to the field of space telecommunications. <IMAGE>