The invention has the advantages of capability of acquiring more accurate forecasting motion vectors, capability of compressing code rateofmotion vectors, and obtaining of performance gain.
本发明可以获得更准确的预测运动矢量，而且能压缩运动矢量码率，获得性能增益。
2
As a parachute canopy moves unsteadily through the air, its equations ofmotion must include the rateof change of momentum of the air in which it is immersed.
当降落伞在空气中作非定常运动时，空气动量的变化率必须包括在降落伞的运动方程中。
3
The rotation of the Earth includes precession, nutation, variations of the rotation rate and polar motion.