本文就CCD电视摄像机对运动物体目标瞬时位置测量精度的几个问题进行讨论。
CCD camera is widely used in position measurement for motion objects. In this paper, some problems in instantaneous position measurement with CCD camera are discussed.
由卫星瞬时位置及用户伪距,根据定位方程迭代计算了用户位置,与实际坐标比较证明了软件GPS算法是成功的。
It can be proved that the GPS software receiver in this paper is successful according to comparing the receiver position coordinates to real position coordinates.
首先用反螺旋分析了3 -RRRRR并联机构在初始位置下和在一般情况下的瞬时运动特性。
Firstly, utilizing the reverse screw, the characteristics of instantaneous motion of 3-RRRRR parallel mechanisms under its initial position and under the general condition were analyzed.
At every instant, it's got a location given by the vector R; R itself is contained in a pair of numbers, x and y, and they vary with time.
在每一个瞬时,它的位置由位矢 R 给出,R 本身包含了一对坐标值 x 和 y,并且它们都随着时间的变化而变化
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