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公开(公告)号：US20150236416A1
公开(公告)日：2015-08-20
申请号：US14625889
申请日：2015-02-19
CPC分类号： H01Q5/30 , H01Q3/2658 , H01Q5/20 , H01Q5/45 , H01Q15/0033 , H01Q15/0046 , H01Q15/16 , H01Q19/026 , H01Q19/028 , H01Q19/19 , H01Q19/192
摘要： A broadband satellite antenna for producing a dual-band multiple beam coverage in transmission and reception based on an offset dual-optics configuration that includes a single main parabolic reflector, a hyperbolic sub-reflector, a first transmitting Multiple-Feed-per-Beam feed system, and a second receiving Multiple-Feed-per-Beam feed system. The sub-reflector surface is a Frequency Selective Surface configured to transmit any electromagnetic signals in the higher frequency band and to reflect any electromagnetic signals in the lower frequency band. The Multiple-Feed-per-Beam feed systems are located at the main focal point FMO and at the first sub-reflector real focal point FSreal. The eccentricity e of the hyperbolic sub-reflector depends on a ratio between a preset lower frequency fL in the lower frequency band BL and a preset higher frequency fH in the higher frequency band BH. The first transmitting Multiple-Feed-per-Beam feed system and the second receiving Multiple-Feed-per-Beam feed system are geometrical scaled versions of each other.
摘要翻译： 一种宽带卫星天线，用于基于偏移双光学配置产生传输和接收中的双频带多波束覆盖，所述偏移双光学配置包括单个主抛物面反射器，双曲线子反射器，第一透射多光束每光束馈送 系统和第二个接收多进给每个射束馈送系统。 子反射器表面是频率选择表面，被配置为传输较高频带中的任何电磁信号并且反映较低频带中的任何电磁信号。 多进给每光束馈送系统位于主要焦点FMO和第一个子反射器实际焦点FSreal。 双曲线子反射镜的偏心率e取决于较低频带BL中的预设较低频率fL与较高频带BH中的预设较高频率fH之间的比率。 第一个传送多进给每光束进给系统和第二个接收多进给每光束进给系统是彼此的几何缩放版本。
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公开(公告)号：US09478861B2
公开(公告)日：2016-10-25
申请号：US14625889
申请日：2015-02-19
CPC分类号： H01Q5/30 , H01Q3/2658 , H01Q5/20 , H01Q5/45 , H01Q15/0033 , H01Q15/0046 , H01Q15/16 , H01Q19/026 , H01Q19/028 , H01Q19/19 , H01Q19/192
摘要： A broadband satellite antenna for producing a dual-band multiple beam coverage in transmission and reception based on an offset dual-optics configuration that includes a single main parabolic reflector, a hyperbolic sub-reflector, a first transmitting Multiple-Feed-per-Beam feed system, and a second receiving Multiple-Feed-per-Beam feed system. The sub-reflector surface is a Frequency Selective Surface configured to transmit any electromagnetic signals in the higher frequency band and to reflect any electromagnetic signals in the lower frequency band. The Multiple-Feed-per-Beam feed systems are located at the main focal point FMO and at the first sub-reflector real focal point FSreal. The eccentricity e of the hyperbolic sub-reflector depends on a ratio between a preset lower frequency fL in the lower frequency band BL and a preset higher frequency fH in the higher frequency band BH. The first transmitting Multiple-Feed-per-Beam feed system and the second receiving Multiple-Feed-per-Beam feed system are geometrical scaled versions of each other.
摘要翻译： 一种宽带卫星天线，用于基于偏移双光学配置产生传输和接收中的双频带多波束覆盖，所述偏移双光学配置包括单个主抛物面反射器，双曲线子反射器，第一透射多光束每光束馈送 系统和第二个接收多进给每个射束馈送系统。 子反射器表面是频率选择表面，被配置为传输较高频带中的任何电磁信号并且反映较低频带中的任何电磁信号。 多进给每光束馈送系统位于主要焦点FMO和第一个子反射器实际焦点FSreal。 双曲线子反射镜的偏心率e取决于较低频带BL中的预设较低频率fL与较高频带BH中的预设较高频率fH之间的比率。 第一个传送多进给每光束进给系统和第二个接收多进给每光束进给系统是彼此的几何缩放版本。
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