发明名称 Multi-element antenna system and array signal processing method
摘要 A multi-element antenna feed method and system which has superior side lobe characteristics over previous electronically scanned beam approaches is provided. A multi-element antenna feed system generally comprises a multi-element antenna, an antenna array processor, a receiver, a signal processor for automatic tracking of targets, and an antenna steering control mechanism. The multi-element antenna may comprise alternate configurations and the antenna array processor is coupled to the multi-element antenna. The antenna array processor particularly comprises a diode switching array for combining at least one output of the elements of the multi-element antenna with at least one other output of the multi-element antenna switchably selected via the diode switching array. The method allows control of the antenna system side lobes in both the scanned offset beam plane and the orthogonal plane by an amplitude weighted combination of the selected element beams. This results in an improved capability to reduce crosstalk betwen two orthogonal tracking channels, offset beam control versus frequency, and a wide frequency bandwidth.
申请公布号 US5025493(A) 申请公布日期 1991.06.18
申请号 US19890360823 申请日期 1989.06.02
申请人 SCIENTIFIC-ATLANTA, INC. 发明人 COOK, JR., JAMES
分类号 H01Q3/24;H01Q21/29;H01Q25/02 主分类号 H01Q3/24
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