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    • 6. 发明公开
    • 원형 안테나
    • 圆形天线
    • KR1020020036659A
    • 2002-05-16
    • KR1020010037261
    • 2001-06-27
    • 안지호
    • 세르게이반코프
    • H01Q21/06
    • H01Q21/0031H01Q21/0012H01Q21/064
    • PURPOSE: A circular antenna is provided to receive free space wave with two orthogonal polarizations and obtain wide operating frequency range. CONSTITUTION: A circular antenna comprises an exciter, a slot array(33), and a multi channel separator. The exciter converts a main mode to a radial wave to be transferred to the multi channel separator. The multi channel separator includes many output ports to separate the radial wave to many radial waves to be transferred to sub-arrays of the slot array(33). The separated radial waves have same amplitudes and same phases. Each slot of the slot array(33) transmits the separated radial waves to free space. An angle formed by a radial line connecting the center of the antenna to the center of each slot and each slot itself is identical for each slot of the slot array(33). That is, the slot array has axis symmetry to transmit or receive free space waves having E-vector orientation(or polarization).
    • 目的:提供圆形天线以接收具有两个正交极化的自由空间波,并获得宽工作频率范围。 构成:圆形天线包括激励器,插槽阵列(33)和多通道分离器。 激励器将主模式转换为径向波,以传送到多通道分离器。 多通道分离器包括许多输出端口,用于将径向波分离成许多径向波,以将其传送到槽阵列(33)的子阵列。 分离的径向波具有相同的幅度和相同的相位。 槽阵列(33)的每个槽将分离的径向波发射到自由空间。 由天线的中心与每个槽的中心和每个槽本身连接的径向线形成的角度对于槽阵列(33)的每个槽是相同的。 也就是说,槽阵列具有轴对称性以发送或接收具有E向量取向(或极化)的自由空间波。