空间数据内插是DEM建模中不可缺少的环节。
Spatial data interpolation is an indispensable process in DEM.
对地理位置参数不易量化的问题，利用GIS空间数据内插算法确定地段等级及地理位置参数。
We use the GIS data interpolation algorithm to calculate the geographic level and geographic indexation to tackle the difficult of quantifying geographic location parameters.
同时，普通克立格法与传统航空物探数据内插方法——三次样条函数法所得的表面预测图相似。
The prediction surface that Ordinary Kriging created and the surface that three-splinecreated are very similar.
合成数据及实际地震记录的试处理结果表明，这种新的内插算法非常快速、有效，且易于实施。
The results of trial application to synthetic data and real seismic records show that the new interpolation algorithm is very fast, effective and easy to implement.
在模型参数求取中应用了GIS的数字高程模型(DEM)功能将海图等深线通过线性内插得到与模型网格相匹配的具有栅格结构的水深数据(模型的主要参数)。
Water depth data (main parameters), which was matching to model's grid structure, was obtained by using the function of GIS digital elevation model (DEM) to linear-interpolate the isobath of chart.
针对呈格网或接近格网状分布的采样点数据，本文研究了移动曲面拟合内插算法。
According to data which points distribute as grid or approach to grid, the thesis researches the algorithm of mobile curved fitting.
首先对时间序列中不连续的数据进行内插处理，并通过线性拟合从时间序列中去掉长期滑动速率的影响。
Firstly, making the time series continuous through inserting data, and secondly removing the secular displacement rate from the time series data through linear fitness.
并基于等高线矢量数据建立不规则三角网，再内插格网生成DEM点阵数据。
A triangulated irregular network(TIN) is constructed based on vector data, and DEM point-array data is computed by interpolating grid on TIN.
点内插主要用于自然地理数据的插值，而面内插则主要用于社会经济统计数据的插值问题。
The point interpolation is mainly used to deal with natural geography data and the areal interpolation is usually used to solve the interpolation problem of social economic statistic data.
几何操作反向映射的零阶内插与一阶内插的数据并行实现方法；
Then, the data parallel implementation scheme of zero-order interpolation and first-order interpolation of backward mapping are discussed.
将逆时间和空间傅立叶变换应用于估计频率-波数谱，从而产生该地震数据的轨迹内插。
An inverse temporal and spatial Fourier transform is applied to the estimated frequency-wavenumber spectrum, generating trace interpolation of the seismic data.
利用格网分块结构高效组织海量多波束水深数据，分别采用三种数学模型内插网格节点水深值，实现了不同网格尺度下的数据抽稀。
The proposed method organized bathymetric data utilizing grid block structure, interpolated depth at grid node adopting three mathematical models and thinned data with multi-scale grid.
利用格网分块结构高效组织海量多波束水深数据，分别采用三种数学模型内插网格节点水深值，实现了不同网格尺度下的数据抽稀。
The proposed method organized bathymetric data utilizing grid block structure, interpolated depth at grid node adopting three mathematical models and thinned data with multi-scale grid.
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