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14 阳山铁矿ΔT与计算得到的Tap剖面反演对比 a—沿剖面AB,ΔT化极和Tap化极曲线及其反演拟合结果;b—观测得到的ΔT数据反演结果;c—计算得到的Tap数据反演结果;见矿钻孔ck40、ck42,未见矿钻孔ck39、zk4298

Fig.14 Profile inversion comparison of ΔT and calculated Tap a—ΔT reduction to the pole curve, Tapreduction to the pole curve and their inversion fitting results along the section AB; b—inversion result of the observed ΔT data; c—inversion result of the calculated Tap data; See ore through dring bore ck40, ck42, no mine ore is found in borehole ck39, zk4298