Abstract
In this paper, the problem of magnetic source shape determination is simplified into iterative inversion after symbol recognition. Based on the theory of differentiating different forms of magnetic sources by integral magnetic anomaly curves, a unified expression for calculating magnetic fields of different magnetic sources under undulating terrain conditions is given, and the triangular system plate interpretation method is used to identify the magnetic fields of different magnetic sources. The calculus parameter basis for the classification of unknown magnetic source morphology and the method technology for determining the magnetic source spatial morphology are confirmed. The example shows that the application of the calculus triangulation method to the magnetic source morphological system inversion has a good prospect.
Highlights
The study of magnetic source morphology is helpful to provide important basic data on geological background, mineral factors, genesis process, geological history and so on
Based on the theory of differentiating different forms of magnetic sources by integral magnetic anomaly curves, a unified expression for calculating magnetic fields of different magnetic sources under undulating terrain conditions is given, and the triangular system plate interpretation method is used to identify the magnetic fields of different magnetic sources
The problem of magnetic source shape determination is simplified into iterative inversion of magnetic source thickening and detail adjustment after symbol recognition
Summary
The study of magnetic source morphology is helpful to provide important basic data on geological background, mineral factors, genesis process, geological history and so on. There have been many literatures [1] [2] [3], but it is rare to identify the variation of the latent magnetic source thickness by the magnetic anomaly curve, and to invert the spatial shape of the magnetic source [4]. It is not easy to study the shape of magnetic source by observing the magnetic field data when the magnetic source with thousands of morphological changes is buried underground in a concealed state. The magnetic field expressions of different types of magnetic sources can be obtained by changing the direction length of the plate.
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