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    • 22. 发明授权
    • Antenna having sparsely populated array of elements
    • 天线具有稀疏的元素阵列
    • US08482476B2
    • 2013-07-09
    • US13202157
    • 2010-10-21
    • Hiromichi YanagiharaMineki SogaHarald Franz Arno Merkel
    • Hiromichi YanagiharaMineki SogaHarald Franz Arno Merkel
    • H01Q13/10
    • H01Q21/06Y10T29/49016
    • An antenna (80,90) has a one dimensional or multidimensional array of elements (20,40), wherein spacings between successive elements of at least part of the array are non periodic and correspond to a series of multiples of a unit spacing, the multiples following a Fibonacci sequence. Two dimensional arrays can be arranged as a Fibonacci grid or as a Fibonacci square tiling. The number of elements can be reduced for a given measure of resolution, while still enabling the signal being transmitted or received to have a peak in a single unique direction and thus form a beam. Furthermore, since there will be some elements clustered close together and a few which are well spaced, it can be more suitable for vehicles (30) than a regularly spaced array. It can be used as a transmit antenna or as a receive antenna for a submillimeter radar system.
    • 天线(80,90)具有元素(20,40)的一维或多维阵列,其中阵列的至少一部分的连续元件之间的间隔是非周期性的并且对应于单位间隔的一系列倍数, 斐波纳契序列之后的倍数。 二维阵列可以布置为斐波纳契网格或斐波纳契方块。 可以针对给定的分辨率测量来减少元件的数量,同时仍然使得被发送或接收的信号在单个唯一方向上具有峰值,并因此形成一个光束。 此外,由于将存在一些聚集在一起的几个元件和几个间隔好的元件,所以它可以比规则间隔的阵列更适合于车辆(30)。 它可以用作发射天线或用作亚毫米雷达系统的接收天线。