The second derivative curve of the gravity field can be used as filteringfactor so as to improve resolution.
为了提高分辨率,可采用重力场的二次导数曲线作滤波因子。
2
Test criteria formulated for filteringfactor of ultra high molecular weight polymer has been widely applied in testing departments of oilfield.
依据改进的检测方法编制的超高分子聚合物过滤因子检测标准已在油田各测试机构广泛使用。
3
The on-line filter in the same way as average powers can be designed with given program. The power is the filteringfactor designed on the basis of noise property.