大地电磁感应的场源效应

被引:13
作者
高文
机构
[1] 北京大学地球物理系北京
关键词
场源效应; 大地电磁;
D O I
暂无
中图分类号
学科分类号
摘要
本文对大地电磁感应的场源效应进行了较详细的研究.用线电流为场源,均匀大地和三层结构为构造模型进行了计算,其结果与均匀场源的感应作了对比.场源效应受场源高度、信号周期、电阻率、测点距离等的影响.为了能更深入的了解和控制这影响,本文提出了“阻抗平均法”,该方法对消减场源效应有一定作用,使平面波的解释继续有效.
引用
收藏
页码:210 / 215
页数:6
相关论文
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