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。
Relative accuracy of regional gravimetric geoid determination is estimated by an frequency domain analysis, which is determined by regional terrestrial gravity measurements and geopotential model.
以频域解析方法，研究由地面重力数据、全球位模型确定区域重力大地水准面的相对精度估计。
The applications of vector gravity on the determination of the earth's gravity field are described, including the downward continuation of vector gravity and determination of the local geoid.
论述了重力矢量在确定地球重力场方面的作用，包括重力矢量的向下延拓和局部大地水准面的确定。
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