| 摘要 |
This invention is related to a high efficiency antenna having compact dimensions, particularly for installation on a vehicle, such as an aircraft or a high velocity train or a motor vehicle, comprising a main circular reflector, an illuminator or feed, centrally mounted with respect to said main reflector, and a sub-reflector, mounted on said illuminator by means of a positioning support member, said antenna being installed upon a positioning member adapted to carry out azimuth and elevation polarisation movements.
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