发明授权
- 专利标题: Method and device for determining the position of an object in relation to a vehicle, in particular a motor vehicle, for use in a driver assistance system of the vehicle
- 专利标题(中): 用于确定物体相对于车辆,特别是汽车的位置的方法和装置,用于车辆的驾驶员辅助系统
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申请号: US13696912申请日: 2011-04-26
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公开(公告)号: US08942065B2公开(公告)日: 2015-01-27
- 发明人: Dirk Schmid , Michael Schumann
- 申请人: Dirk Schmid , Michael Schumann
- 申请人地址: DE Stuttgart
- 专利权人: Robert Bosch GmbH
- 当前专利权人: Robert Bosch GmbH
- 当前专利权人地址: DE Stuttgart
- 代理机构: Kenyon & Kenyon LLP
- 优先权: DE102010028829 20100511
- 国际申请: PCT/EP2011/056519 WO 20110426
- 国际公布: WO2011/141289 WO 20111117
- 主分类号: G01S15/93
- IPC分类号: G01S15/93 ; G01S15/42 ; G01S13/46 ; G01S15/87
摘要:
In a method and a device for determining the position of an object in relation to a vehicle, for use in a driver assistance system of the vehicle, a first ultrasound pulse is transmitted by an ultrasound sensor situated on the vehicle, the ultrasound pulse including multiple predefined transmission frequencies which result in a variation of the directional characteristic of the ultrasound sensor. The transmitted first ultrasound pulse is reflected on the object and is received again as a first echo pulse. A frequency spectrum of the first echo pulse is subsequently determined, and a first absolute value of a relative offset angle of the object is determined as a function of the frequency spectrum of the first echo pulse and the directional characteristics.