对单个历元的双差载波相位观测方程进行零空间变换,避免了实时变化的三维位置参数求解;
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
与第一历元的观测比较,3C345和3C380的流量密度没有明显的变化,但3C345的结构变化明显。
No significant changes in the flux density of 3C345 and 3C380 are found by comparing with the first epoch observations.
并根据GPS卫星广播星历求取卫星任意历元的位置、速度、加速度以及加速度的变化率,仿真出GPS卫星运行轨道。
Secondly, the GPS satellite circulating orbit is simulated, according to the position, speed, acceleration and the rate action factor of acceleration, given by GPS satellite broadcast star calendar.
I shouldn't say list, those two tuples, and walk through them to find the pieces that match up.
除数数组进行对比,我不该说数组的,是元组,遍历这两个元组找到相同的元素。
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