查询词典 spline

Use triangulable interpolate rational spline function to smooth the DEM surface of the hydrogeologic layer top and impervious base, and at its basic, generate the regular grid volume data of the hydrogeologic layer which have homogeneity change characteristic.

3利用三角剖分插值有理样条函数进行水文地质层顶、底板DEM曲面光滑，在此基础上生成呈均质变化特征的水文地质层的规则格网体数据。

An approach to generate arc spline tool path of triangular mesh surface was proposed.

提出了三角网格表面数控加工圆弧样条刀轨生成方法。

For arbitrary triangular control meshes, a surface algorithm based-on bivariate box-spline is developed.

提出一种以任意三角剖分为控制网格的二元箱样条曲面算法。

As the cubic B-spline curves, each trigonometric polynomial curve segment was generated by four consecutive control points.

与三次B样条曲线类似。曲线的每一段由相继的4个控制顶点生成。

For equidistant knots, the trigonometric polynomial spline curves were C^3 continuous.

对于等距节点，在一般情况下，曲线达到了C^3连续。

Presented a cubic trigonometric polynomial spline curves with shape parameter.

给出了带有参数λ的三次三角多项式样条曲线。

The first part gives a constraint on partition, in such a way that a cubic spline of interpolation under such a constraint of partition uniformly converges to a continuous function.

第一部分给出分划的一种限制，使在此限制下三次插值样条一致收敛于连续函数。

Methods Based on thin layer CT mandible image data and the USIS software by ourselves, the individual geometry of the complete range of mandible was well established, also the distinction between the contour boundary of cortical and cancellous bones was done automatically. A series of new effective CAD methods such as "no-seed region segmentation", non-parallel "best cross-section planes" and the algorithm employed a pair of B-spline curves fitting were used to accurately construct of 3D geometry surface model of the complete range of mandible in a man-machine conversation and automatic style.

利用CT薄层扫描下颌骨获取的断层图像数据，在自主开发的USIS软件的基础上，自动分辨骨皮质和骨松质轮廓边界，并对下颌骨采用"非种子区域分割"、非平行"最佳切割曲面"及"B样条曲线拟合法"一系列新型CAD方法进行人机对话自动重建精确的几何表面模型。

Then in order to improve the efficiency and accuracy of numerical computation, the author developed hybrid spline interpolation, automatically varia...

然后为了提高数值计算的精度和效率，作者又根据二次样条的特点，提出了杂交样条插值、可变节距样条求积和自适应的样条求导等新方法。

Design the Route Fitting Program based on Cubic Spline and, output viewdata, interface with AUTOCAD program, built up vary layers with different color, directly plot the fig of route ichnography, slope and curvature.

运用VB设计开发基于三次样条曲线的路线拟合小程序，可视化输出上述数据结果，并与AUTOCAD程序接口，建立不同的图层及颜色，直接输出路线平面图、斜率图、曲率图。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。