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12 叠加背景场的模型实验 a—背景场;b—叠加了背景场的ΔT的近似误差;c—反演得到的Tap存在的误差;d— 反演得到的Tap消除背景场后的误差结果

Fig.12 The model experiment of the superimposed background field a—the background field; b—approximation error of ΔT (overlay background field); c—error of Tap obtained by ΔT inversion of superimposed background field; d—Tap error result obtained by inversion (after eliminating the background field)