在此基础上，应用预瞄跟随理论提出了描述驾驶员在给定目标车速前提下对汽车行驶速度进行控制的模型。
Then based on preview follower theory, a driver velocity control model that describes how the driver follows and controls vehicle velocity under the precondition of the given target vel.
本文描述了该系统的结构和工作原理， 着重对摄像机的选取、机车车速计算和指示牌目标识别算法等进行了描述。
This paper describes the structure and principle of the system. It provides a detailed description in camera choosing, speed calculation and recognition algorithm.
随着我国列车速度的不断提高，研制性能优良的受电弓滑板材料成为我国研究学者追求的目标。
With the speed of the continuous improvement of our trains, developed excellent performance pantograph slider material has become a goal pursued by researchers.
在换低速档时，根据从变速装置的输入轴转速的信号求得的实际车速，来设定发动机转速的目标值。
At a shift-down time, the target value of the engine speed is set according to the actual speed determined from the signal of the input shaft speed of the transmission system.
在换低速档时，根据从变速装置的输入轴转速的信号求得的实际车速，来设定发动机转速的目标值。
At a shift-down time, the target value of the engine speed is set according to the actual speed determined from the signal of the input shaft speed of the transmission system.
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