After extracting the gradient zones of magnetic and gravity anomaly on different upward continuation curved plane by horizontal gradient method, and faulted structure zones are narrowly processing, the processing result of magnetic and gravity data is translated into gray shade scale and variance density by using imaging techniques.
本文对重磁异常数据在化极、曲面延拓处理的基础上，采用水平梯度法提取延拓曲面上的重磁异常梯度带，之后对断裂带进行窄化处理，通过图示技术将重磁异常数据转换成灰度值，图像的灰度值以变密度显示，形成彩色的变密度图像，这样就提高了数据图像识别断裂的视觉效果。
Taking two dimensional divergence of gravity horizontal gradient field change, the long wave components of gravity changes can be effectively filtered out and the short wave components related more directly to earthquake preparation are kept and highlighted.
文中提出并应用场论理论中重力梯度场变化的二维散度可突出与地震有比较直接关系的孕震信息。
The solutions of boundary value problem of horizontal gravity gradient are deduced in detail, according to the property that the first and second horizontal derivatives of the spherical harmonics are also general spherical surface harmonics.
根据体谐函数一阶、二阶水平导数（广义球函数）也是球面正交函数系的性质，详细推导了水平重力梯度边值问题的级数解。
^ ^ locating the boundaries of magnetic or gravity sources using horizontal gradient anomalies
水平梯度法提取重磁源边界位置
Analysis and tectonic interpretation to the horizontal-gradient map calculated from Bouguer gravity data in the China mainland
中国布格重力异常水平梯度图的判读和构造解释
A calculation method of correlation function anomalies of gravity horizontal gradients for corroborating the locations of faults and discovering burried faults has been introduced in this paper. Combined with the method of the reduction general gradient, the calculation method can calculate the sites where faults occurred.
本文介绍了一种用重力水平梯度相关函数异常确定断层位置和发现隐伏断层的计算方法，并配合归一化总梯度等方法计算断层的产出位置。