图5. 无人机航磁、地磁宏观对比 a—地磁影像图叠加航磁等值线;b—地磁上延120 m影像图叠加航磁等值线
Fig.5. Macroscopic comparison of UAV aeromagnetic and geomagnetic a—the ground magnetic image map overlays aeromagnetic contour map;b—upward continuation 120 m image map of ground magnetic survey overlays aeromagnetic contour map