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本文讨论Za_⊥及△g m八方位计算方法,Za_⊥为垂直磁化下的垂直磁异常,△g_m为磁源重力异常。这种计算方法也统称为化到地磁极。经常使用的换算方法有频率域和空间域两种。 本文提出的八方位方法是空间域换算方法之一。同时还存在六方位和十二方位的方法。以上提到的三种空间域换算方法的基本原理都是相同的,并在文献中已详细的讨论。
This paper discusses the calculation method of Za_⊥ and △ g m in all directions. Za_⊥ is the vertical magnetic anomaly under perpendicular magnetization, and Δg_m is the gravity anomaly of the magnetic source. This method of calculation is also commonly referred to as geomagnetic poles. Frequently used conversion method has two frequency domain and spatial domain. The eight-position method proposed in this paper is one of the methods of spatial domain conversion. There are also six-way and twelve-way methods. The basic principles of the three spatial domain conversion methods mentioned above are the same and have been discussed in detail in the literature.