摘要
CSAMT法在测量过程中,如果在地下近地表存在电性横向不均匀时,在双对数坐标系中视电阻率曲线会出现沿着视电阻率轴平行移动的现象称为静态效应.为了有效消除静态效应,提出了一种静态校正新方法——带相位的滑动滤波法,并具体阐述了带相位的滑动滤波法的算法思想.在新疆某地区CSAMT实际测量资料处理中,采用带相位的滑动滤波法对实测数据进行静态校正,基本都能够消除大部分静态效应的影响,取得了较好的效果.
If there is electric horizontal uneven body in the underground near the surface in the process of CSAMT measuring, the apparent resistivity would parallel move along the axis of apparent resistivity in the log-log coordinate,and this is called CSAMT static effect. This paper proposes a new method, moving filtering having phase method, to static correct CSAMT, and elaborates the concept of moving filtering having phase algorithm specifically. In the CSAMT data processing in the area of Xinjiang, the moving filtering having phase method is used to carry on the static correction,and the most of the static effect can be eliminated basically,and good results are achieved.
出处
《河南科学》
2009年第2期156-159,共4页
Henan Science
