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CONTRIBUTION ANALYSIS OF THE GRAVITY FIELD RECOVERED FROM GOCE

机译:从岩石中恢复的重力场的贡献分析

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Gravity field modeling in the case of GOCE is based on a combination of the SST contribution for the low wavelength part and on gravitational gradiometry for the spatial details. The gradiomter part of the solution is derived from a combination of the gradient components V_(xx), V_(yy), V_(zz). Variance components in the domain of spherical harmonics allow the analysis of the characteristic contribution of each of these groups of measurements. In the space domain, the comparison between partially combined solutions and the fully combined solution shows the functional behavior, corresponding to the error characteristics of the individual components. Our preliminary results show that the performance of GOCE is higher than that of GRACE for the coefficients higher than about degree 145. The posteriori estimation of the variance components indicates that the performance of the gradiometer meets the requirements.
机译:在GOCE的情况下,Gravity场建模基于SST贡献对低波长部分和用于空间细节的重力思路的组合。 溶液的梯度计部分来自梯度组分V_(XX),V_(YY),V_(ZZ)的组合来源。 球形谐波域中的方差分量允许分析这些测量组中的每组的特征贡献。 在空间域中,部分组合解决方案和完全组合解决方案之间的比较显示了与各个组件的误差特性对应的功能行为。 我们的初步结果表明,Goce的性能高于高于约145度的系数的恩典。方差分量的后验估计表明梯度计的性能满足要求。

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