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Multi-beam antenna system with shaped reflector for generating flat beams

机译：具有成形反射器的多波束天线系统，用于产生平面波束

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摘要

A side-fed dual reflector antenna system (10) of the present invention overcomes the size cost and complexity limitations associated with conventional single and multiple reflector antenna systems. The antenna system (10) includes a feed array (18) including separate feeds for generating separate respective antenna beams, a subreflector (20) for reflecting the separate respective antenna beams generated by the separate feeds of the feed array (18), and a reflector (22) having a shaped reflecting surface for reflecting the separate respective antenna beams received from the subreflector (20) toward a terrestrial target (16) to produce substantially contiguous flat beams, each of which provides substantially uniform coverage within a predetermined coverage area on the terrestrial target. The subreflector (20) and each of the separate feeds in the feed array (18) are arranged so that a center of each of the separate respective antenna beams illuminates a center of the reflector (22) subsequent to being reflected from the subreflector (20).

机译：本发明的侧馈双反射器天线系统（ 10 ）克服了与传统的单反射器和多反射器天线系统相关的尺寸成本和复杂性限制。天线系统（ 10 ）包括一个馈源阵列（ 18 ），该馈源阵列包括用于生成单独的各个天线波束的单独的馈源;一个副反射器（ 20 ）用于反射由馈源阵列的各个馈源（ 18 ）生成的各个天线天线，以及一个反射器（ 22 ），该反射器具有用于反射各个天线的成形反射面从子反射器（ 20 ）朝向地面目标（ 16 ）接收的光束会产生基本连续的平坦光束，每个光束均会在地面上的预定覆盖范围内提供基本均匀的覆盖范围地面目标。布置副反射器（ 20 ）和馈源阵列中的每个单独的馈源（ 18 ），以使每个单独的相应天线波束的中心照亮反射器（ 22 ）从子反射器（ 20 ）反射之后。 展开▼

著录项

公开/公告号US6882323B2

专利类型

公开/公告日2005-04-19

原文格式PDF

申请/专利权人 ANN L. PEEBLES;ALAN R. CHERRETTE;STUART T. LINSKY;
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申请/专利号US20030434100

发明设计人 ANN L. PEEBLES;ALAN R. CHERRETTE;STUART T. LINSKY;
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申请日2003-05-09

分类号H01Q19/10;

国家 US

入库时间 2022-08-21 22:20:28

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