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    • 4. 发明授权
    • Distance measuring device
    • 距离测量装置
    • US06703967B1
    • 2004-03-09
    • US10069593
    • 2002-02-27
    • Hiroshi KurodaKazuaki TakanoMitsuru Nakamura
    • Hiroshi KurodaKazuaki TakanoMitsuru Nakamura
    • G01S1338
    • G01S13/348G01S13/536G01S13/584G01S13/931G01S2013/462G01S2013/9375
    • From a transmitter (18) and a transmission antenna (10), a first frequency signal having a fixed frequency is transmitted for a predetermined time or more, a second frequency signal having a certain frequency difference from the first frequency signal is transmitted for a predetermined time or more, and a third frequency signal having a frequency difference twice the frequency distance from the first frequency signal is transmitted for a predetermined time or more. Reflected waves from objects under measurement at the respective transmission frequencies are supplied to a reception antenna (11), a mixer (12), an analog circuit unit (13), an A/D converter (14), an FFT (15) and a signal processing unit (16). Then, the Doppler frequencies are measured for the reflected waves, objects under measurement are separated and detected at each Doppler frequency, and objects under measurements having the same Doppler frequency are separated to identify a plurality of objects under measurement from phase information and amplitude information of received signals acquired at each transmission frequency. In this manner, when there are a plurality of objects under measurement which are substantially equal in relative speed, these can be separated from each other and detected.
    • 从发送器(18)和发送天线(10)发送具有固定频率的第一频率信号预定时间或更长时间,将具有与第一频率信号的一定频率差的第二频率信号发送到预定的 时间以上,并且具有与第一频率信号的频率距离的两倍的频率差的第三频率信号被发送预定时间或更长时间。 在各个传输频率处的被测物体的反射波被提供给接收天线(11),混频器(12),模拟电路单元(13),A / D转换器(14),FFT(15)和 信号处理单元(16)。 然后,对于反射波测量多普勒频率,在每个多普勒频率下分离检测被测物体,并且分离具有相同多普勒频率的测量对象,以便从相位信息和振幅信息的相位信息和振幅信息中识别测量中的多个对象 在每个传输频率处获取的接收信号。 以这种方式,当有多个测量对象在相对速度上基本相等时,可以彼此分离并检测。
    • 10. 发明申请
    • Radar device
    • 雷达设备
    • US20050017891A1
    • 2005-01-27
    • US10501709
    • 2002-01-18
    • Hiroshi KurodaKazuaki TakanoFumihiko Okai
    • Hiroshi KurodaKazuaki TakanoFumihiko Okai
    • G01S7/40G01S13/34G01S13/93
    • G01S7/4026G01S7/4056G01S13/345G01S13/931G01S2007/4034G01S2007/4082G01S2007/4091G01S2013/9353G01S2013/9375
    • The present invention provides a radar device mounted on a moving object that moves along a continuous plane, having (1) a transceiver part for transmitting a signal having a main lobe in the direction of the movement of the moving object and a side lobe directed towards the continuous plane, that receives a first reflection signal from a target in the direction of the main lobe and a second reflection signal from the continuous plane in the direction of the side lobe, and (2) control processing means for detecting the frequency of a beat signal of the second reflection signal received by the transceiver part and the signal emitted by the transceiver part and for detecting information correlated to the attitude of the radar device with respect to the continuous plane based on that frequency. This enables detection of changes of mounting attitude for the moving object without requiring additional hardware.
    • 本发明提供一种安装在沿着连续平面移动的移动物体上的雷达装置,具有(1)用于在移动物体的运动方向上传递具有主瓣的信号的收发器部分和朝向 在主瓣方向从目标接收第一反射信号的连续平面和沿着旁瓣方向的连续平面的第二反射信号,以及(2)用于检测侧波的频率的控制处理装置 由收发器部分接收的第二反射信号的拍子信号和由收发器部分发射的信号,并且用于基于该频率检测与雷达装置相对于连续平面的姿态相关的信息。 这使得能够检测移动物体的安装姿态的变化,而不需要额外的硬件。