所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。
So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.
用重力垂直一次导数来进行反演可提高解释精度，还可以用来研究基岩结构。
The reversion of the vertical first derivative of gravity can improve interpretation accuracy and is useful for researching into bedrock structure.
重力梯度为重力位的二阶导数，可以通过星载梯度仪进行观测。
Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.
本文介绍了二度空间重力垂直一次导数的级数展开计算法。
The 2d series expansion algorithm of vertical first derivative of gravity is briefly stated in this paper.
利用重力场的泰勒级数展开式，可求出重力异常的四次导数。
The forth derivative of gravity anomaly can be obtained by Taylor series expansion of gravity field.
重力异常四次导数和重力异常二次导数一样，具有突出局部异常，压制区域异常的作用。
As the second derivative does, the forth, derivative of gravity anomaly projects local anomaly but suppresses regional anomaly.
基于离散余弦变换(DCT)的重力异常垂向二阶导数的计算方法是笔者提出的新方法。
It is a new method that calculate vertical second derivative of gravity anomalies based on discrete cosine transform (DCT).
为了提高分辨率，可采用重力场的二次导数曲线作滤波因子。
The second derivative curve of the gravity field can be used as filtering factor so as to improve resolution.
将重力场的垂直导数和向上延拓结合起来，有利于揭示地壳上部构造特征。
The combination of vertical derivatives and upward continuation of gravity field is efficient to display the features of shallow structure.
将重力场的垂直导数和向上延拓结合起来，有利于揭示地壳上部构造特征。
The combination of vertical derivatives and upward continuation of gravity field is efficient to display the features of shallow structure.
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