基于低秩稀疏分解的重磁异常分离方法及应用

张紫薇, 李厚朴, 张恒磊, 朱丹

A low-rank decomposition-based method for separating gravity and magnetic anomalies and its application

ZHANG Zi-Wei, LI Hou-Pu, ZHANG Heng-Lei, ZHU Dan

图2 采用λ0=0.057 6的低秩矩阵分解得到的局部磁异常(a)和区域磁异常(b),其中(a)表示从叠加场中分离得到的A异常

Fig.2 The separated residual (a) and regional (b) anomalies by the low-rank decomposition using a balance parameter determined in the previous studies