摘要
文中研究的 3D地电介质时间域电磁场的有限差分计算方法 ,激发源为水平电偶极子 ,并且向地下供以交变电流。经分析研究和不同模型的试算表明 ,其结果稳定、可靠 ,精度较高 ,计算速度快。该计算结果为
Finite difference method for electromagnetic field in time domain of 3 D geoelectric medium researched in this paper puts excited source as a horizontal dipole and transmits the alternating current down the surface.It has been showed through research and calculation for different model that results are stable and reliable,resolution is higher and computing speed is faster.The calculating results provide a necessary theoretical guide for 3 D inversion problem.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2000年第6期751-756,共6页
Oil Geophysical Prospecting
关键词
3D瞬变电磁场
有限差分
定解条件
油气勘探
D transient eleclromagneti field finite difference,definite conditions,electromagnetic field in time domain,numerical calculation
