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    • 23. 发明公开
    • A polarisation alignment system using waveguide differential phase shifters, and an antenna unit including such a system
    • Polarisationsaustungssystem系统分析Hohlleiterphasenschien和eine Antenne mit einem solchen系统
    • EP1487049A1
    • 2004-12-15
    • EP04013569.1
    • 2004-06-09
    • Marconi Selenia Communications S.P.A.
    • Cadili, TindaroGibilaro, Giorgio
    • H01P1/06H01P1/165H01Q13/00
    • H01Q13/00H01P1/065H01P1/165
    • A system for alignment of the polarisation of an electromagnetic wave between a first and a second guiding structure of a communication system operating with linearly polarised signals is described, in which the first guiding structure is orientable for alignment with the direction of polarisation of a signal received or transmitted by the system and the second structure is fixed with respect to a general reference system of the system.
      The system includes a first 90° waveguide differential phase shifter device (PS1) fixed to the first guiding structure, and a second 90° wave guide differential phase shifter device (PS2) fixed to the second guiding structure, coupled together for rotation by means of a rotary joint (RJ) in such a way as to allow rotation of the first orientable structure with respect to the second fixed structure through an angle corresponding to the original misalignment angle.
    • 描述了一种用于对准在线性偏振信号操作的通信系统的第一和第二引导结构之间的电磁波的偏振的系统,其中第一引导结构可定向成与所接收的信号的偏振方向对准 或由系统发送,并且第二结构相对于系统的一般参考系统是固定的。 该系统包括固定到第一引导结构的第一90°波导差动移相器装置(PS1)和固定到第二引导结构的第二90°波导差分移相器装置(PS2),耦合在一起,用于 通过旋转接头(RJ)旋转,以允许第一可定向结构相对于第二固定结构相对于原来的未对准角度旋转的角度。