利用IGRF模型计算全张量地磁梯度
钟炀, 管彦武, 石甲强, 肖锋

The calculation method of full tensor geomagnetic gradient based on IGRF model
Yang ZHONG, Yan-Wu GUAN, Jia-Qiang SHI, Feng XIAO
图4 地磁场三分量(a)Bx(b)By(c)Bz等值线
Fig.4 Three-component contour map of the geomagnetic field