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    • 8. 发明申请
    • Hierarchical Phase Shift Apparatus for Array Antenna Weight Look Ahead, Elaboration, and Beam-splitting Methods
    • 用于阵列天线重量的分层相移装置前瞻性,精细化和光束分裂方法
    • US20160072186A1
    • 2016-03-10
    • US14479352
    • 2014-09-07
    • James Wang
    • James Wang
    • H01Q3/34
    • H01Q3/2605G01S3/14
    • An array antenna system consists of layered construct of subarrays. Each beam pointing angle requires an antenna weight vector (AWV). A circuit tracks the changing orientation of a beam within a much larger virtual array of antenna weights. A row or column of a local RAM may be determined to be least likely to be read next and is overwritten with antenna weights more likely to be read next. An address translation circuit represents the RAM as a barrel. An adaptively adjusted antenna weight method optimizes received signal power. A beam splitting method provides a mirror beam pointing direction by wrapping around a look ahead table of antenna weight vectors when an antenna is itself gyrating or when a remote transceiver is anticipated to transit the horizon.
    • 阵列天线系统由分层构造的子阵列组成。 每个光束指向角需要一个天线权重向量(AWV)。 电路跟踪在更大的天线权重的虚拟阵列内的波束的变化方向。 本地RAM的行或列可以被确定为不太可能接下来读取,并且被更接近更可能读取的天线权重覆盖。 地址转换电路将RAM表示为桶。 自适应调节的天线权重法优化接收信号功率。 当天线本身旋转时或者当远程收发器预期到达地平线时,分束方法通过围绕天线加权矢量的前视表来提供镜射束指向方向。