Using the ocean tide model of TPXO6, the effect of ocean tide on gravity determination is investigated and compared with the error of recovered gravity by GRACE.
利用TPXO6海潮模型计算了海潮对卫星重力恢复的影响，与GRACE观测误差实施了对比。
As one of the new generation of gravity satellites, using GRACE data and its time-variable product to detect the total water storage has been widely proved.
GRACE卫星作为新一代地球重力卫星计划，利用其时变地球重力场数据产品监测陆地水储量变化的已经得到了广泛的研究验证。
Using measurements of time-variable gravity field from the Gravity Recovery and Climate Experiment(GRACE)satellite, mass variations of the Antarctic ice and snow are estimated.
利用GRACE重力卫星提供的时变重力场反演了南极大陆冰雪质量变化。
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