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    • 24. 发明公开
    • RADARSENSOR FÜR KRAFTFAHRZEUGE
    • RADARSENSORFÜRKRAFTFAHRZEUGE
    • EP2588880A1
    • 2013-05-08
    • EP11716578.7
    • 2011-05-02
    • Robert Bosch GmbH
    • HIMMELSTOSS, ArminSTEINBUCH, Dirk
    • G01S7/35G01S13/93
    • G01S13/931G01S7/03G01S7/038G01S7/354G01S7/40G01S13/34G01S2007/356
    • The invention relates to a radar sensor for motor vehicles, comprising a sending and receiving part (10) that has a mixer (20) for mixing a sent signal with a received signal, an analyzing circuit (12) that is connected to an output of the mixer (20) via a direct current coupling device (22), and a compensating device (24, 30) for compensating for a direct current offset in the output signal of the mixer (20). The radar sensor is characterized in that the compensating device is divided into a course compensating device (30) in the sending and receiving part (10) and a fine compensating device (24) in the analyzing circuit (12).
    • 本发明涉及一种用于机动车辆的雷达传感器,包括发送和接收部件(10),该发送和接收部件具有用于将发送信号与接收信号混合的混频器(20),分析电路(12),其连接到 所述混频器(20)经由直流耦合装置(22)以及用于补偿所述混频器(20)的输出信号中的直流偏移的补偿装置(24,30)。 雷达传感器的特征在于,补偿装置被分成发送和接收部分(10)中的路线补偿装置(30)和分析电路(12)中的精确补偿装置(24)。