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11 叠加噪声的模型实验 a—0~100 nT随机噪声;b—叠加了随机噪声的ΔT的近似误差; c—叠加噪声的ΔT反演得到的Tap存在的误差; d—反演得到的Tap消出噪声后的误差结果

Fig.11 Model experiment for superimposed noise a—0~100 nT random noise; b—approximation error of ΔT superimposed with random noise; c—error of Tap obtained by ΔT inversion of superimposed noise; d—Tap error result obtained by inversion (after noise elimination)