计算两个信号的功率谱密度，通过两个信号的谱相关系数决定频点是否参与叠加计算，以控制功率谱密度质量。-Calculation of the two signal power spectral density, spectral signals through two related factors involved in the decision whether or not frequency superposition calculation, in order to control the

把批量的可控源大地电磁测深数据转换为EH4格式数据，以适用于winglink反演。-Convert the CSAMT sounding bulk data to EH4 format data, in order to apply the winglink inversion.