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IEVref:712-05-29ID:
Language:enStatus: Standard
Term: gregorian reflector antenna
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Definition: a paraboloidal reflector antenna with a concave sub-reflector ellipsoidal in shape, located at a distance from the vertex of the main reflector, that distance being greater than the prime focal length of the main reflector

NOTE – To improve the aperture efficiency of the antenna, the shapes of the main reflector and sub-reflector are sometimes modified with respect to the ideal paraboloidal and ellipsoidal geometrical forms.


Publication date:1992-04
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