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    • 3. 发明申请
    • Obstacle detecting apparatus and method of vehicle
    • 障碍物检测装置及车辆方法
    • US20080079629A1
    • 2008-04-03
    • US11892689
    • 2007-08-27
    • Takuji OkaHiroshi OhmuraHaruki OkazakiSei KobayashiTakashi NakagamiTakayuki Seto
    • Takuji OkaHiroshi OhmuraHaruki OkazakiSei KobayashiTakashi NakagamiTakayuki Seto
    • G01S13/32
    • G01S13/584G01S13/345G01S13/726G01S13/931
    • There are provided a radar device that transmits a frequency modulation-continuous wave (FM-CW) and outputs an up-beat frequency and a down-beat frequency, a pairing processing section that conducts pairing of the up-beat frequency and the down-beat frequency at specified sampling intervals, a target-object detecting section that detects target objects around the vehicle, obtaining a distance from the vehicle to the target object and a relative speed between the vehicle and the target object based on the up-beat frequency and down-beat frequency that are paired, and a prediction processing section that obtains a prediction data for each target object for a next sampling timing. The pairing processing section conducts the pairing with priority to a specified target object that has a high certainty of the prediction data. Thereby, the pairing of the up-beat and down-beat frequencies can be conducted precisely and quickly.
    • 提供了发送频率调制连续波(FM-CW)并输出上变频和下拍频率的雷达装置,配对处理部,其对上行频率和下拍频率进行配对, 以指定的采样间隔拍摄频率,目标物体检测部,其检测车辆周围的目标物体,基于上拍频率获得从车辆到目标物体的距离以及车辆与目标物体之间的相对速度;以及 成对的下拍频率,以及对于下一个采样定时获取每个目标对象的预测数据的预测处理部。 配对处理部分优先对具有高预测数据确定性的指定目标对象进行配对。 因此,可以精确且快速地进行上拍和下拍频率的配对。