From the relation of spatial disturbing gravity and ground gravity data resolution as well as its scope, truncation errors are computed by dividing the gravity anomaly into frequency and resolution.

• 根据外空扰动重力与地面数据分辨率及其覆盖范围之间的关系,将重力异常分成不同频段、不同分辨率,分别计算了截断误差。