速度误差和地震噪声对最小二乘逆时偏移的影响分析

马振, 孙成禹, 彭鹏鹏, 姚振岸

An analysis of the influence of velocity error and seismic noise on least squares reverse-time migration

Zhen MA, Cheng-Yu SUN, Peng-Peng PENG, Zhen-An YAO

图9 不同平滑程度偏移速度下归一化数据残差收敛曲线对比

Fig.9 Comparison of normalized data residuals convergence curves with different smooth migration velocity