本文给出一种精确地形改正计算方法。
This paper introduces a precise computing method of topographical correction.
笔者通过大量的工作实践 ，提出了用法线进行地形改正的方法。
Through authors numerous practical operations, the way in employing normal in landform rectification is advanced.
本文给出了重力异常的变密度层间改正、变密度地形改正计算公式。
This paper has given the computed formulae of Bouguer plate correction and terrain correction with varying density.
求解异常电位的边界单元法对电测深资料进行地形改正，应用效果明显。
The topographic correction of the electric sounding data by the boundary element method for anomalous potential is discussed, and the significance effect is obtained.
通过地形改正数学物理模型的建立，提出了地形改正最大半径的选择方法。
As physics-mathematics model of topographic amendment is created, it have been put forward to selectmethod of largest radius about topographic amendment.
在这一形式下，式(3.79)可以使钻孔周围的地形改正值实际上接近真值。
In this form (3. 79) is used for practical approximation of the corrections for the topographic relief in the surroundings of the hole.
在山区重力勘探中，如何提高地形改正的精度，一直是一个引人关注的重要课题。
How to improve the accuracy of terrain correction in mountainous-district gravity survey is an important subject which people have paid close attention to.
对于重磁力三维勘探而言，数据采集、地形改正和三维正反演法已逐步走向实用；
So far as 3D gravity and magnetic survey is concerned, the data acquisition, topographic correction and 3D forward and inversion methods are gradually practical;
本文给出了重力测量中地形改正的补角(园域和方域接口处)地改值的精确表达式。
In this paper, the accurate expression about the supplementary Angle of gravity terrain correction at the joint of the circle and square domain was derived and presented.
本文提出几种计算球壳重力的精确公式，用以减少布格改正和地形改正中的计算误差。
This paper presents some exact formulas for calculating the gravity of the part of spherical lamella in order to decrease the errors in Bouguer and t...
多年来，不论重力勘探程度如何，在布格重力异常计算中都必须经过地形改正和中间层改正。
For many years, no matter how the level of gravity explorationmay be, the middle layer and terrain corrections must be done in Bouguer gravity anomaly computation.
大面积地形改正的快速计算，对现代大地测量实践具有重大意义，尤其是在那些地形复杂地区。
The fast computation of terrain correction in a large area is significant for modern geodetic practice, especially in rough mountain areas.
该方法特点是适合于任意飞行方式(缓地形和水平飞行均可)和任意地形条件航空伽玛能谱的逐点地形改正。
This method can be applied to terrain correction point by point for the airborne gamma energy spectrum in cases of any flight ways and arbitrary topographic conditions.
重力勘探的近区地形改正，一般通过典型剖面的试验来确定是否需要改正，并采用简易地改仪实测地形改正值。
Generally based on surveys of typical geological section, it can be determined that if the shortrange terrain correction of gravity exploration is necessary or not.
通过更改正在搜索的字符串，使其他图像块可以得到处理，比如卫星图和地形图。
By changing this string that is searched for, other image tiles - such as satellite and terrain - can be processed.
本文着重介绍在遥感影象分类中应用数字地面模型（DTM）改正地物反射光谱中地形影响的方法和试验。
In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced.
本文着重介绍在遥感影象分类中应用数字地面模型（DTM）改正地物反射光谱中地形影响的方法和试验。
In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced.
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