- 责任者：Yang Nini (Liaoning Shihua University ; Fushun 113001 ; China) ; Wang Zhihong
- 刊名：South China Seismological Journal
- 出版年：2009
- 卷期：29(1)
- 关键词：可控源音频大地电磁法 ; controlled-source audio magnetotelluric methods
- 页码：p.87-95
- 图表：7 illus., 7 refs.
- 分类号：1600
- issnNo：ISSN1001-8662
- isbnNo：CN44-1266/P
In this paper, two new static correction methods are proposed, that is, the directional filtering method and the moving filtering with phase method, and the design concept of the two algorithms are explained specifically. By establishing models having surface uneven body, the resistivity sections and impedance phase sections having static effects were synthesized through forward modeling. Then the directional filtering method and the moving filtering with phase method are used to correct them. Basically the two methods can eliminate the impact of surface uneven body and the effect was good. Finally the authors used these two methods to statically correct CSAMT raw data sections having static effects and further explained the static correction effects of the two new methods.