The Direct Iterative Finite Element algorithm (DIFE) is used to calculate the electromagnetic responses at earth surface excited by a line current source.
采用有限元直接迭代算法实现了线源频率域测深电磁响应的二维正演计算。
The preliminary research result of electromagnetic prospecting with the near field(transition region) of infinite-length line source in frequency domain is presented in this paper.
本文对频率域无限长线源近区（过渡区）测深的理论基础进行了探索性研究。
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