Electromagnetic wave spatial filter with circular polarization
    1.
    发明授权
    Electromagnetic wave spatial filter with circular polarization 失效
    具有圆极化的电磁波空间滤波器

    公开(公告)号:US4652891A

    公开(公告)日:1987-03-24

    申请号:US573399

    申请日:1984-01-24

    CPC分类号: H01Q19/195 H01Q15/12

    摘要: A spatial filter is provided for electromagnetic waves with circular polarization comprising three parallel conducting networks, the central network being totally reflecting for a rectilinear polarization of given direction and having a non zero reflection coefficient for a rectilinear polarization having a direction perpendicular to the preceding one.

    摘要翻译: 为具有包括三个平行导电网络的圆偏振的电磁波提供空间滤波器,该中心网络对于给定方向的直线偏振进行全反射,并且对于具有垂直于前一方向的方向的直线偏振具有非零反射系数。

    Wall for radomes, and radomes thus obtained
    3.
    发明授权
    Wall for radomes, and radomes thus obtained 失效
    如此获得的天线罩和天线罩

    公开(公告)号:US5631663A

    公开(公告)日:1997-05-20

    申请号:US172115

    申请日:1988-03-11

    IPC分类号: H01Q1/42

    CPC分类号: H01Q1/424

    摘要: The invention relates to walls that are used for constructing radomes, in particular radomes for aircraft radars, as well as radomes using such walls.According to the invention, the inner and outer layers of said wall are separated by a central core including a central portion made of dielectric material flanked by two lateral portions made of the same dielectric material but with a recess, the aggregate of said portions being obtained by juxtaposition of elemental dominoes.

    摘要翻译: 本发明涉及用于构造天线罩的墙壁,特别是用于飞机雷达的天线罩,以及使用这种墙壁的天线罩。 根据本发明,所述壁的内层和外层由包括由介电材料制成的中心部分的中心芯分开,所述介电材料由相同电介质材料制成的两个侧面部分形成,但具有凹槽,所述部分的聚集体被获得 通过并置的元素多米诺骨牌。