Abstract: A method is provided for defining an antenna with weak sidelobes having at least two sources, in which the sources are regularly distributed and the reflectors have suitable shapes, obtained by the implementation of a specific algorithm, the reflectors being illuminated by sources composed of a single part. The obtained antenna will offer a gain close to 0 in the direction of the array lobes, so these will be as low as possible.

Abstract: A protective ballistic radome for a satellite antenna which can turn about an axis of rotation, has: a circular support in the form of a ring, having an axis of revolution RR'to coincide with the axis of rotation, with the circular support having a lower base and an upper part in planes respectively parallel and perpendicular to the axis RR', an annular groove, having an axis of revolution that coincides with the axis RR', opening onto the upper part of the circular support, a set of n contiguous walls having upper ends and lower ends in planes that are respectively parallel and perpendicular to the axis RR?, the walls having their lower ends inserted into the annular groove of the circular support in order to form a ballistic wall in the form of a tube of circular section, having the same axis of revolution RR', about said satellite antenna.

Abstract: A method is provided for defining an antenna with weak sidelobes having at least two sources, in which the sources are regularly distributed and the reflectors have suitable shapes, obtained by the implementation of a specific algorithm, the reflectors being illuminated by sources composed of a single part. The obtained antenna will offer a gain close to 0 in the direction of the array lobes, so these will be as low as possible.

Abstract: A protective ballistic radome for a satellite antenna which can turn about an axis of rotation, has: a circular support in the form of a ring, having an axis of revolution RR? to coincide with the axis of rotation, with the circular support having a lower base and an upper part in planes respectively parallel and perpendicular to the axis RR?, an annular groove, having an axis of revolution that coincides with the axis RR?, opening onto the upper part of the circular support, a set of n contiguous walls having upper ends and lower ends in planes that are respectively parallel and perpendicular to the axis RR?, the walls having their lower ends inserted into the annular groove of the circular support in order to form a ballistic wall in the form of a tube of circular section, having the same axis of revolution RR?, about said satellite antenna.