| 摘要 |
PROBLEM TO BE SOLVED: To solve the following problem that distortion occurs in the orientation of each beam constituting a multi-beam when the configuration of an optical system is nonrotational symmetry in a conventional multi-beam antenna device. SOLUTION: A multi-beam antenna device is provided with a main reflector 1, a subreflector 2, a focused beam feeder system 3 comprising a focusing reflector and a lens, a lens array device 10 composed of a plurality of lenses, a plurality of primary radiators 5a. The plurality of lenses constituting the lens array device 10 are respectively a wave front conversion lens 10a. The orientation error of respective beams constituting the multi-beam can be suppressed. COPYRIGHT: (C)2004,JPO
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