topographic reduction是什么意思

网络释义

用法例句

Conventional methods fail to bring good processing result of gravity anomaly which has undergone terrain correction.

分别用斜顶三棱柱体及方柱体模型分近、中、远区对某山区1：5万高精度重力勘探成果进行地形改正。

Based on characteristics of air-borne gamma-ray spectrometer survey, the authors induced the 2D terrain correction formula,and accomplished the forward calculation.

通过模型试验,总结了不同地形上不同飞行方式时的航空放射性异常特征,给出实测数据处理与野外异常查证对比结果,地形改正效果较好。

The effect of grid spacing of digital topographic model on terrain corrections and geoid undulations and the indirect terrain effect on geoid undulations are studied, as well as the effect of mass prism and mass line topographic models on terrain corrections.

以计算香港大地水准面为例 ,着重研究了以下几点 :①DTM的分辨率对地形改正的影响 ;②质量柱体地形模型与质量线地形模型对计算地形改正的差异 ;③采用Helmert凝聚改正法 ,计算地形对大地水准面的间接影响 ;④比较经典Stokes Helmert方法与Sj¨oberg方法计算地形对大地水准面的影

Topographic Correction of High Density Resistivity Data;

高密度电阻率法数据的地形改正

The topographic correction of the electric sounding data by the boundary element method for anomalous potential is discussed,and the significance effect is obtained.

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。

This paper introduces the boundary element method of 2 D and 3 D topographic correction for the resistivity method.

本文简要地讨论了电阻率法二维、三维地形改正的边界元法。

Terrain correction computation by controlling the integral radius using the FFT method

积分半径可控地形改正FFT算法的研究

FAST CALCULATION USING POLYNOMES FORTOPOGRAPHIC CORRECTION INRESISTIVITY METHOD

电阻率法地形改正的多项式快速计算方法

In this form(3. 79)is used for practical approximation of the corrections for the topographic relief in the surroundings of the hole.

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。

Determination of the maximum radius for terrain correction in regional gravity measurement is of significance for improving accuracy of the Bouguer anomaly.

地形改正最大半径的确定,对提高重力布格异常的精度具有重要意义。

modified Lambert conformal chart

改良兰勃特正形投影地图

That's about to change.

然而这种情形正在改观。

Ney's projection

改进的兰伯正形海图改进的兰伯正形投影

An Improvement on a Lower Bound of Covering Squares with Sequence of Squares;

关于正方形序列覆盖正方形一个下界的改进

an electric current that reverses direction sinusoidally.

正弦地改变方向的电流。

ground wave to sky wave correction

地波配合天波改正量

equatorial cylindrical orthomorphic chart

赤道圆柱正形投影地图

An approximately square or cubic area, space, or object.

方形物或方形地区大致呈正方形或正方体的地区、空间或物体

We are striking for a new look in Latin America.

我们正争取改变在拉丁美洲的形象。

Analysis for the welding distortion controls of ship modifications

船舶改建焊接变形的控制与矫正分析

The Improved Hamming Predictor-Corrector Iterate Algorithm

Hamming预测-校正法迭代形式的改进

The world is changed by the World Wide Web, and the rudiment of web economy has been created.

Web正在改变世界，它促成了网络经济雏形的形成。

You really see the shape of the land .

你能真正地看到大地的形态。

Slope Spectrum of Positive and Negative Terrains of Loess Plateau in Northern Shaanxi Province

陕北黄土地貌正负地形坡度组合研究