“…The inverse problem can be found everywhere in human life, such as in military, geological surveys, earthquake forecasting, sensing applications, medical treatment, radio propagation, and many other fields, see [1]- [6]. The geomagnetic field is a weak magnetic field, which exists on the surface and in near-earth space of earth, and it is one of the fundamental resources of the earth, which is called the "umbrella" for human survival.…”