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当前,在重力资料的电算处理中,有两个问题值得商榷。现分述如下: 对离散数据作规则化处理不都是可取的 1.直接用不规则网数据内插绘等值线,比先作规则化处理再绘等值线,由于少一次内插处理,因而也就少一次误差积累,按理是有优越性的。然而,由图1 a可见,这两种图有明显的差别。这是因为规则化处理就等于对离散数据作了一次“均匀化”估值。由图1 b可见,有些可靠的异常特征已被“平滑”掉。而为了以后能提取更丰
At present, there are two issues that are debatable in the processing of gravity data. Are described as follows: Discrete data for the regularization of treatment is not desirable 1. Direct interpolation of irregular network data to draw contours than the regularization of the first repaint contours, due to less an interpolation , So less error accumulation, it is reasonable to have superiority. However, as can be seen from Figure 1a, there is a clear difference between the two graphs. This is because regularization equates to a “homogenization” of the discrete data. As can be seen from Figure 1b, some reliable anomalies have been “smoothed out”. And in order to extract more abundant later