residual gravity anomaly

in dealing with the gravity data of some basin, obtain the residual gravity anomaly applying finite element method.

在某盆地的重力资料处理中，用有限元插值法分离出该区的局部重力异常。

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In practical application, to use density compensation method impetrated forwardly residual gravity anomaly, then to use the quasi-neural network BP algorithm invert two 2D density interfaces simultaneously, to fit up depth anomaly of two interfaces, and predicting coalfield on this basis.

在实际应用中，先用密度补偿法正演求取剩余生力异常，然后利用拟神经网络BP算法同时反演两个二维密度界面，拟合求得两个界面的深度异常，在此基础上预测煤田。

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