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本文提出一种数值模拟井地电磁法的方法。用体积分方程法对层状介质中的垂直长导线源三维电磁响应做了三维模拟。模拟的结果与解析解对比误差很小,说明算法是正确的。开发了井地电磁法Born近似反演程序,理论模型合成的数据反演结果非常好。
In this paper, a method of numerical simulation of well-to-ground electromagnetism is proposed. The three-dimensional simulation of the three-dimensional electromagnetic response of a vertically long wire source in a layered medium is made by means of the volume integral equation method. The simulation results and analytical solution contrast error is small, indicating that the algorithm is correct. The Born approximate inversion procedure of well electromagnetism was developed, and the data inversion results from the theoretical model are very good.