The angle control formula of the camera & pan-tilt-device system is educed with its vision coordinates, which provides theory basis for moving vehicle tracking.
通过摄像机-云台系统所采用的视觉坐标系，推导出了摄像机-云台系统转动的角度控制公式，为运动车辆的跟踪提供了理论基础。
This article discusses the principles of multistation laser tracking and measuring system, and gives a mathematical model to calculate the coordinates of moving targets.
文中论述了多站法跟踪测量的原理并建立了计算坐标的数学理论模型。
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