PDE-based magnetic measurement data equivalent source upper continuation and lower continuation method
A technology of equivalent source and magnetic field data, applied in the field of geophysical survey, it can solve the problems of data extension distance limitation, poor calculation accuracy, discontinuous grid division, etc., to achieve good applicability, high stability and accuracy, The effect of high calculation accuracy
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[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0031] Please refer to figure 1 , the embodiment of the present invention provides a PDE-based magnetic measurement data equivalent source up continuation and down continuation method, comprising the following steps:
[0032] S1. Obtain the magnetic field data d on the undulating observation surface 0 , and according to the terrain height information of the area where the magnetic field data is located, a terrain relief surface is established; the magnetic field data d 0 It may be magnetic anomaly total field data, magnetic anomaly component data, or magnetic gradient tensor data. This embodiment takes the magnetic anomaly total field data as an example.
[0033] S2. According to the elevation information of the undulating observation surface of aeroma...
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