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    • 48. 发明公开
    • ANTENNENSYSTEM FÜR RADARSENSOREN
    • 天线雷达雷达
    • EP2622366A1
    • 2013-08-07
    • EP11743226.0
    • 2011-07-29
    • Robert Bosch GmbH
    • BINZER, ThomasWALDSCHMIDT, ChristianHELLINGER, RaphaelHANSEN, Thomas
    • G01S13/93H01Q1/32H01Q3/22H01Q13/20H01Q21/00H01Q21/06
    • G01S7/032G01S2013/9371H01Q1/3233H01Q21/0006
    • An antenna system for radar sensors, for example in vehicles (automatic adaptive cruise control system (ACC)), having at least one planar group antenna (10) which comprises a feed line (14) and a plurality of antenna elements (16, 18) which are integrated into the feed line. The group antenna (10) has at least two antenna gaps (20, 22) which run parallel to one another and which are connected to one another at one end via a bypass line (24). The length of said bypass line (24) is dimensioned such that the antenna gaps are overall in phase with one another. The power which still remains at the end of the first antenna gap does not need to be reflected but instead is irradiated via the antenna elements of the second antenna gap. The phase and amplitude assignments are selected such that the directional characteristic is improved.
    • 一种用于雷达传感器的天线系统,例如在车辆(自动适应巡航控制系统(ACC))中,具有至少一个平面组天线(10),其包括馈线(14)和多个天线元件(16,18 ),其被集成到进料管线中。 组天线(10)具有彼此平行延伸的至少两个天线间隙(20,22),并且经由旁路线(24)在一端彼此连接。 所述旁路管线(24)的长度被确定为使得天线间隙彼此完全同相。 仍然保持在第一天线间隙结束处的功率不需要被反射,而是经由第二天线间隙的天线元件照射。 选择相位和幅度分配,使得方向特性得到改善。