公开(公告)号：US20090219190A1

公开(公告)日：2009-09-03

申请号：US11886895

申请日：2006-03-02

申请人： Klaus Lehre ,  Oliver Wackerl ,  Joerg Hillsebecher ,  Joachim Hauk ,  Martin Reiche ,  Martin Randler ,  Ruediger Jordan

发明人： Klaus Lehre ,  Oliver Wackerl ,  Joerg Hillsebecher ,  Joachim Hauk ,  Martin Reiche ,  Martin Randler ,  Ruediger Jordan

IPC分类号： G01S13/58

CPC分类号： G01S13/347 ,  G01S7/352 ,  G01S13/345 ,  G01S13/584 ,  G01S2007/356

摘要： A method and device are provided for measuring distance and relative speed of a plurality of objects with the aid of an FMCW radar, transmitted signals being reflected by objects, and the reflected signals being received and mixed with the transmitted signals. A combination of distance and relative speed values is assigned to the mixer output frequencies of each frequency ramp for each object, and the distance and relative speed of a possible object are determined from points of intersection of a plurality of distance and relative speed combinations. The apparent (unreal) objects are eliminated by modifying the frequency slope of at least one frequency ramp according to the random principle in a subsequent measurement cycle.

摘要翻译： 提供了一种借助于FMCW雷达来测量多个物体的距离和相对速度的方法和装置，被物体反射的发射信号，以及所接收的反射信号并与发射信号混合。 将距离和相对速度值的组合分配给每个物体的每个频率斜坡的混频器输出频率，并且可能对象的距离和相对速度由多个距离和相对速度组合的交点确定。 通过根据后续测量周期中的随机原理修改至少一个频率斜坡的频率斜率来消除明显（虚幻）物体。