保持目前的位置和速度跟踪对象。
Keep track of the current position and velocity of an object. More...
在移动通信中，用户位置的随机变化，要求空域滤波算法能够实时准确地跟踪用户，所以，要求算法的速度和精度都要足够高。
In a mobile communication environment, the speed and accuracy of the spatial filtering algorithms must be rather fast and high in order to track the subscribers in real tune for the base station.
在光电实时跟踪系统中要求响应的时间短、跟踪误差小，采用速度环和位置环的串级控制是一种有效的设计方法。
The series control with the velocity loop and the position loop is an effective design method in the electro-optical tracking system which requires short respond time and little tracking error.
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