分析了在适当的边界条件和约束下三次多结点样条插值的逼近阶；
The approximation order of the interpolation with the appropriate boundary conditions and constraints is analyzed.
第二，用单元的结点坐标、结点应力以及等参插值函数，插值计算这些点的总体坐标及应力。
Secondly, the global coordinates and stress values of the points are calculated by using standard isoparametric interpolations, the node coordinates and the known node stresses.
结点上的变量值采用时间序列回退内插的新的插值格式，而不是传统的空间内插方法。
The interpolations are made along the time-line with varying reach-back time distance, rather than the more widely used spatial interpolations.
证明了在充分相交的代数流形上任意次插值适定结点组的存在性；
The existence of properly posed set of nodes of arbitrary degree for interpolation on the algebraic manifold of sufficient intersection was proved.
然后分析了多结点样条插值方法的逼近精度、正则性、插值核函数的频域特性。
Then the accuracy of approximation, regularity of many-knot splines interpolation method and frequency property of the interpolation kernel are worked out for comparison.
模块适用于MAPGIS环境下地下水计算中各种网格剖分结点插值数据的自动生成与可视化。
The module can be suitable to the automatic formation and visibility of the interpolation data at each mesh cross section point in underground water calculation with MAPGIS environment.
依据多结点样条函数插值理论，定义了模式函数，给出了数据分解过程。
A new scheme named Many-knot Empirical Mode decomposition (MEMD) of data decomposition for non-stationary data analysis is presented in this paper.
本文提出了一个基于多结点插值样条和有限级数展开法的直接三维图像重建方法。
A direct 3-d image reconstruction method based on many-knot interpolating spline and finite series-expansion technique is presented in this paper.
本文提出了一个基于多结点插值样条和有限级数展开法的直接三维图像重建方法。
A direct 3-d image reconstruction method based on many-knot interpolating spline and finite series-expansion technique is presented in this paper.
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