The distance from 3-direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound.
研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。
Local B-spline surface designing strategy, a surface coincided technology, is proposed entirely originated from practical requirements in reverse engineering CAD modeling.
样条曲面的局部设计是完全根据反求工程CAD建模的实际需求而提出的一种局部区域曲面设计方案。
The structure of mathematical vessel-model and the existence and uniqueness of the solution is studied and the procedure for computing Bicubic Smoothed-Spline Surface is also provided.
探索和研究了数学船型构造及解的存在和唯一性；给出了计算双三次样条曲面的过程。
Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
探索和研究了数学船型构造及解的存在、唯一性，且建立了一套求光顺样条曲面的数值方法。
B-spline is the most popular method to present free-form curve and surface, and DP algorithm is the effective approach for solving discrete optimization problems.
样条方法是当前自由曲线曲面造型最为常用的方法，动态规划为解决离散最优化问题的有效手段。
Using acoustic equation, the paper conducts spline interpolation for step surface data and results in quadrilateral grid partition coincident with relief surface.
本文利用声波方程，对阶梯状地表数据进行样条插值处理，得到了与起伏地表比较吻合的四边形网格剖分。
Surface spline is a good alternative to reconstruction surface of arbitrary topology type.
对于任意拓扑曲面重建，曲面样条是一个比较好的选择。
A method of three dimensional grid auto generation of the ship wet surface is presented in this paper, with the accumulative chord length cubic parameter spline theory being utilized.
运用累加弦长的三次参数样条函数理论，提出了一种实现船体三维湿表面网格自动生成的方法。
We have made certain that the reason of the splined spindle rapture is fatigue failure, its crack initiation lies in the minimal knuckle curvature radius surface region of the spline dedendum bottom.
初步确定了花键轴的断裂是疲劳断裂，裂纹源在花键齿根底部过渡圆角曲率半径最小的表面部位。
The Numbers are a text spline with an extrude modifier, and then an array over the clock's surface.
数字是用文字样条线配合挤压修改器做出来的，然后在钟表表面进行阵列。
Internal spline is a spline formed on the inner surface of a cylinder.
在圆柱体的孔的内表面形成的花键。
The numerical solution of the shortest geodesic on open surface is given by spline function method, and computer drawing is discussed.
本文应用样条函数方法给出求解一般开曲面短程线的数值得的方法，进一步对计算机图形绘制进行了探讨。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
By using the spline interpolation, objective analyses of geopotential, temperature and surface pressure fields are tested and good results obtained.
本文用样条插值进行了高度、温度、地面气压等要素场的客观分析试验，取得了良好的结果。
So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.
因此，这里采用三次样条函数拟合曲线构造模具型腔廓线，其型值点由已有模具型腔测得。
In this paper, the author USES fast spline function curved surface interpolation method which is derived by the author to accomplish two dimensional discrete data gridding calculation.
本文采用首次提出的快速样条函数插值方法对二维离散数据进行曲面插值，进而作网格化计算。
The three spline broach with radius pendulum profile is developed to broach the internal surface of motorcycle clutches.
研制了用于加工摩托车离合器外环内孔表面的三键圆弧摆线拉刀，分析了拉刀的结构特点和设计、制造要点。
Internal spline is a spline formed on the inner surface of a cylinder.
内花键：内花键是在圆柱体的孔的内表面形成的花键。
These data are fit with method of spline and resampled to divide crown into many small slices, whose volume and surface add up to the result.
然后用三次样条法拟合剖面边缘曲线并插值采样，把立体树冠分解成许多微小的切片分别求体积和表面积，依次累加就得到所需结果。
These data are fit with method of spline and resampled to divide crown into many small slices, whose volume and surface add up to the result.
然后用三次样条法拟合剖面边缘曲线并插值采样，把立体树冠分解成许多微小的切片分别求体积和表面积，依次累加就得到所需结果。
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