The formulas of system posture algorithm, Speed Calculation and Position Calculation are studied.

研究了基于四元数法的载体姿态算法和载体的位置、速度算法。

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In this paper, analytic geometry is drawn into drilling hole position calculation and have the aid of computer, the calculation is accurate.

本文引入解析几何，借助计算机对钻孔位置进行较精确计算。

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Aiming at the increasing number of visible satellite, the least square method was used in the position calculation to improve the precision.

针对多星座组合系统的可见卫星数目大大增加的特点，采用最小二乘的方法实现了用户的导航定位解算，提高了用户的定位精度。

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Though Jones' lawyers maintain that their case is strong even without the Lewinsky evidence, their bargaining position may have weakened and their calculation changed accordingly.

CNN: Could Clinton Still Settle With Jones?

Given this calculation, Russia's position regarding sanctions seems much more logical.

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However, in cities where the signal bounces off buildings and trees, the calculation of a vehicle's position can be off by more than 50m.

BBC: Spanish scientists develop more accurate sat-nav system