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    • 9. 发明授权
    • System for targeted braking of vehicles
    • 车辆定位制动系统
    • US5436631A
    • 1995-07-25
    • US207162
    • 1994-03-08
    • Valentin MagoriWolf-Eckhart Bulst
    • Valentin MagoriWolf-Eckhart Bulst
    • B61L3/00B61L25/02G01S13/50G01S13/75G01S13/88B61L3/02
    • B61L25/021B61L25/025B61L3/008G01S13/755G01S13/505G01S13/88
    • A system for identifying momentary location and the momentary velocity of, in particular, a rail-bound vehicle, has a transmission/evaluation unit having an antenna for emitting a high-frequency pulse and for receiving a reflected pulse reply signal. Surface wave identification marks having individual coding are arranged at intervals from one another in an area of and along a prescribed travel path of the vehicle. The mutual phase shift of at least two pulse reply signals can be measured as a Doppler shift and the travel velocity can be calculated therefrom via the relative velocity with pulse interrogations of an identification mark following one another at least twice at a predetermined location before/after traversing a specific identification mark. The point in time change in operational sign of the Doppler shift is acquired for this identification mark, and is the point in time of traversal of the location of the specific identification mark.
    • 用于识别特定位置和特别是轨道车辆的瞬时速度的系统具有发射/评估单元,其具有用于发射高频脉冲并用于接收反射的脉冲应答信号的天线。 具有单独编码的表面波识别标记在车辆的规定行驶路径的区域中并且沿着车辆的规定行驶路径彼此间隔地布置。 可以将至少两个脉冲应答信号的相位相移作为多普勒频移测量,并且可以通过相对速度来计算行进速度,该相对速度与识别标记的脉冲询问在之前/之后的预定位置处彼此相继至少两次 遍历特定的识别标记。 针对该识别标记获取多普勒频移的操作符号的时间点变化,并且是穿过特定识别标记的位置的时间点。