公开(公告)号：US3710385A

公开(公告)日：1973-01-09

申请号：US3710385D

申请日：1970-09-29

Applicant: BENDIX CORP

Inventor： HOWARD D ,  EPPLEY D ,  STEININGER H

IPC: G01L5/28 ,  G01S13/60 ,  G01S9/46

CPC classification number: G01S13/60 ,  G01L5/284

Abstract: A system utilizing Doppler radar for indication of vehicle speed at the time of a brake application and the stopping distance for that particular brake application. The output from the Doppler radar is a frequency that is directly related to the velocity of the vehicle with respect to ground. By the proper selection of the other constants, a given number of Hertz can correspond to a given velocity. Counting all the cycles from initial brake application until stopped and dividing by the appropriate value will give the total stopping distance. Dual counters that alternately record a velocity signal are applied. Light emitting diodes provide a visual readout of velocity and stopping distance.

Abstract translation: 一种利用多普勒雷达在制动应用时指示车辆速度的系统以及该特定制动应用的停止距离。 来自多普勒雷达的输出是与车辆相对于地面的速度直接相关的频率。 通过适当选择其他常数，给定数量的赫兹可以对应给定的速度。 计数从初始制动应用到停止的所有循环，除以适当的值将给出总停止距离。 应用交替记录速度信号的双计数器。 发光二极管提供速度和停止距离的视觉读数。