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    • 90. 发明授权
    • Magnified beam waveguide antenna system for low gain feeds
    • 用于低增益馈源的放大波束天线系统
    • US6061033A
    • 2000-05-09
    • US965092
    • 1997-11-06
    • Garry N. HuldermanKenneth W. Brown
    • Garry N. HuldermanKenneth W. Brown
    • H01Q3/16H01Q3/20H01Q19/19H01Q19/14
    • H01Q19/191H01Q3/16H01Q3/20
    • An antenna system includes a beam source of a microwave wave beam, a gimbaled antenna, and a waveguide including a mirror system that directs the microwave wave beam from the beam source to the antenna. The mirror system is formed of a series of mirrors operable to reflect the microwave wave beam and includes a first paraboloid mirror positioned to receive the microwave wave beam from the beam source, a first planar mirror positioned to receive the microwave wave beam from the first paraboloid mirror, a second paraboloid mirror positioned to receive the microwave wave beam from the first planar mirror, and a second planar mirror lying on the system azimuth axis and positioned to receive the microwave wave beam from the second paraboloid mirror. The first planar mirror may be controllably tilted to finely steer the aim of the microwave wave beam to the antenna.
    • 天线系统包括微波波束的波束源,万向天线和包括将微波波束从波束源引导到天线的反射镜系统的波导。 反射镜系统由一系列可反射微波波束的反射镜组成,包括一个第一抛物面反射镜,定位成接收来自光束源的微波波束;第一平面镜,定位成接收来自第一抛物面的微波波束 反射镜,定位成接收来自第一平面镜的微波波束的第二抛物面镜,以及位于系统方位轴上并定位成从第二抛物面反射镜接收微波波束的第二平面镜。 第一平面镜可以可控地倾斜以将微波波束的目的精细地转向天线。