Practical results show that, by using wavelet decomposition and reconstruction, this method can efficiently extract weak deformation characteristics from the observed data series having strong noises.
结果表明，借助于小波分解与重构，可有效地从强噪声干扰的观测数据序列中提取变形特征。
2
Convolution method is a filtering method used to extract fault information from observed gravity field by adopting known theoretical wavelet.
褶积法是用已知理论子波从重力观测场中提取断层信息的一种滤波方法。
3
The mathematic principle of wavelet multi-scale analysis is introduced. The 13 terms of gravity data, which are observed in the Three Gorges region, are decomposed by wavelet method.