| 摘要 |
The invention relates to an antenna comprising a transmission surface, an array of elementary antennas each extending from the transmission surface, first and second superimposed electromagnetic waveguides. The first waveguide is adapted to power the second waveguide from a collection inlet, and the second waveguide is adapted to power the elementary antennas. The antenna comprises means for coupling the electromagnetic energy associated with the electromagnetic wave between the first and second waveguides. The coupling means separate the transmission surface into two concentric regions made up of a peripheral region and an internal region situated at the collection inlet, each comprising at least one elementary antenna.
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