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重磁勘探的正问题是解反问题的基础。为了正确地选择和布置测网,分析由观测得到的异常,以探求其地质原因或确定引起异常的地质体的某些产状要素等,经常需要研究正问题。在建立了合理的地质体模型的前提下,寻求好的计算方法方面的问题主要有二:一是其准确性,或计算精度高;二是在准确的基础上提高运算速度。本文讨论一种较简单的,但有一定用处的分层组合长方体模型及其快速计算方法。
The positive problem of gravity and magnetic exploration is the basis of anti-inverse problem. In order to correctly select and arrange nets, analyze the observed anomaly, it is often necessary to study the positive problem in order to explore its geological causes or to identify some of the producing elements of the geological body that caused the anomaly. Under the premise of establishing a reasonable geological body model, there are mainly two problems in seeking good calculation methods: one is its accuracy or high calculation accuracy; the other is to improve the calculation speed on the basis of accuracy. This article discusses a simpler, but useful, hierarchical combination of cuboid models and their rapid computational methods.