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The paper first studies the analytical expression of electrical potential by a point current source in a uniform half-space medium,and then focuses on the distribution of electrical potential in a horizontally layered half-space model by a point current source within the surface layer or the bottom layer.Finally,the electrical potential by a source electrode in any layer of a layered half-space model is presented.
The paper first studies the analytical expression of electrical potential by a point current source in a uniform half-space medium, and then focuses on the distribution of electrical potential in a horizontal layered half-space model by a point current source within the surface layer or the bottom layer. Finally, the electrical potential by a source electrode in any layer of a layered half-space model is presented.