Method and system for estimating gravity and magnetic anomaly lateral resolution based on high-frequency information

The invention discloses a gravity and magnetic anomaly lateral resolution estimation method and system based on high-frequency information, and the method comprises the following steps: obtaining gravity and magnetic anomaly data, carrying out the meshing of the gravity and magnetic anomaly data, and obtaining the meshed gravity and magnetic anomaly data; performing low-pass filtering on the gridded gravity and magnetic anomaly data to obtain regional gravity and magnetic anomaly data; performing subtraction on the gravitational and magnetic anomaly data based on the gridded gravitational and magnetic anomaly data and regional gravitational and magnetic anomaly data to obtain residual gravitational and magnetic anomaly data; changing geometric scale factors to obtain residual gravity and magnetic abnormal data of different scales; and performing comparative analysis on the residual gravity and magnetic anomaly data of different scales to obtain a preset scale presenting residual gravity and magnetic anomaly d