基于L-BFGS反演算法的ΔT精确计算磁异常分量Tap方法

甄慧翔, 杨宇山, 李媛媛, 刘天佑

Method for accurately calculating magnetic anomaly component using ΔT based on L-BFGS inversion algorithm

Hui-Xiang ZHEN, Yu-Shan YANG, Yuan-Yuan LI, Tian-You LIU

图7 组合球体模型Tap、ΔT和反演得到的磁异常分量Tap对比 a—磁异常在地磁场方向上的投影分量Tap;b—总场异常ΔT;c—反演得到的磁异常分量Tap;

Fig.7 Comparison of Tap, ΔT and calculated Tap a—the projection component Tap of the magnetic anomaly in the direction of the earth’s magnetic field; b—the total field anomaly ΔT; c—the magnetic anomaly component Tap obtained by the inversion