专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09562972B2 Method for ascertaining a distance of an object from a motor vehicle using a PMD sensor 有权
标题翻译：使用PMD传感器确定物体与机动车辆的距离的方法
公开(公告)号：US09562972B2
公开(公告)日：2017-02-07
申请号：US14769743
申请日：2014-01-15
申请人： Audi AG
发明人： Jens Pollmer
IPC分类号： G01C3/08 , G01S17/36 , G01S17/89 , G01S7/487 , G01S17/10 , G01S7/486 , G01S17/93
CPC分类号： G01S17/36 , G01S7/4865 , G01S7/487 , G01S17/10 , G01S17/89 , G01S17/936
摘要： A method to determine a distance of an object to a motor vehicle using a PMD sensor, includes measuring a phase shift of a measurement signal reflected on the object for at least one modulation frequency, the modulation frequency is selected so that in a detection range beginning at the motor vehicle a distance is unambiguously determinable from the phase shift; performing a runtime measurement for an individual signal reflected on the object during a time interval beginning at a first time point where the individual signal is emitted and ending at a second time point corresponding to a time required by the individual signal to travel twice the detection range when the reflected individual signal is measured during the time interval, determining a distance from the phase shift; and when the reflected individual signal is not measured during the time interval, discarding the phase shift without determining a distance.
摘要翻译：使用PMD传感器确定物体与机动车辆的距离的方法包括测量在至少一个调制频率上在物体上反映的测量信号的相移，调制频率被选择为使得在检测范围开始在汽车上，距离相位可以明确地确定; 在从单个信号发射的第一时间点开始的时间间隔内对在物体上反射的单个信号进行运行时间测量，并且在与单个信号所需的时间相对应的第二时间点结束以检测距离的两倍当在时间间隔期间测量反射的单独信号时，确定与相移的距离; 并且当在时间间隔期间未测量反射的单独信号时，丢弃相移而不确定距离。

IPRDB

热门服务

关于我们

友情链接

联系方式