nurbs

美 　英

• 網(wǎng)絡(luò)不均勻有理(Non-Uniform Rational B-Splines)；曲面；非均勻有理B樣條(Non-Uniform Rational B-Spline)

例句

The whole curves were broken at the point of space intersection and the NURBS curves were joined from beginning to end.

將這些控制型線在空間的交點(diǎn)處斷開，形成首尾相連的NURBS曲線段；

The control points are projected onto NURBS curve, and the projection points subdivide NURBS curve into a set of curve segments.

將控制頂點(diǎn)投影到平面NURBS曲線上，投影點(diǎn)將平面NURBS曲線分割成若干曲線段；

This paper implements a real-time NURBS (Non-Uniform Rational B-Spline) path interpolator for a six-axis are welding robot.

給出了一種六軸弧焊機(jī)器人的實(shí)時NURBS路徑插補(bǔ)方法。

This paper represents a concept of simplified dynamic NURBS swung surfaces for physics-based shape design.

提出了基于物理型面設(shè)計的準(zhǔn)D-NURBS擺轉(zhuǎn)曲面的概念。

Although it is continuous in one single NURBS, in modeling system It is always needed to adjoin two different patches together.

單片NURBS曲面具有較好的參數(shù)與幾何連續(xù)的，性質(zhì)，而在實(shí)際造型系統(tǒng)中，經(jīng)常需要將不同的曲面片加以拼合。

The projection method of control points for calculating the minimum distance between a point and a planar NURBS curve is proposed.

提出了一種利用控制頂點(diǎn)投影法計算點(diǎn)到平面NURBS曲線最小距離的算法。

This method ensures that the overall and local characteristics of the model can be improved greatly with NURBS.

這種方法既可以保證發(fā)動機(jī)計算的整體性能也大大提高了其局部特性的準(zhǔn)確性。

Comprehension and mastery over scripting and animation techniques applied to Polygonal Mesh, NURBS and Subdivide Surface models.

理解并掌握應(yīng)用在多邊形網(wǎng)格，NURBS和細(xì)分表面模型的腳本編寫和動畫技術(shù)。

Non-uniform rational B-splines (NURBS) was used to fit component characteristics of aerothermodynamic model for approaching turbine engine.

為了使氣動熱力模型更好的逼近渦輪發(fā)動機(jī)，應(yīng)用成熟的非均勻B樣條來擬合部件特性。

Then, on this basement, the method of calculating the control vertex and weights was given while representing quadric surfaces using NURBS.

在此基礎(chǔ)上給出了二次曲面進(jìn)行NURBS表示時控制頂點(diǎn)和權(quán)因子的計算方法。

NURBS surfaces are among the most commonly used parametric surfaces in CAGD and Computer Graphics.

NURBS曲面是計算機(jī)輔助幾何設(shè)計和計算機(jī)圖形學(xué)中最常用的參數(shù)曲面。

This paper discusses NURBS curve and its character and calculating methods of correlation parameter.

本文較為深入地研究了NURBS曲線及其性質(zhì)、相關(guān)參數(shù)計算方法。

Select a NURBS surface or curves object and drag its name from an explorer into the ICE Tree graph to create a node for it.

選擇一個NURBS曲面或者是曲線物體從瀏覽器中拖拽它的名字到ICE樹視窗里創(chuàng)建獲取數(shù)據(jù)節(jié)點(diǎn)。

Therefore, it's of great practical significance and applicable value to develop the system of optimization and design based on NURBS.

因此，基于NURBS方法發(fā)展整套的系統(tǒng)優(yōu)化設(shè)計算法很有現(xiàn)實(shí)意義和應(yīng)用價值。

A simulation of NURBS interpolation is given to demonstrate the validity and the effectiveness of the algorithm.

通過NURBS曲線插補(bǔ)的實(shí)例，驗(yàn)證了該算法的可行性和有效性。

The result has proved that the algorithm can satisfy the requirement of NURBS curve machining with high speed rate and high precision.

實(shí)驗(yàn)結(jié)果表明，變進(jìn)給限定弓高插補(bǔ)算法滿足NURBS曲線加工高速、高精的要求。

Finally, NURBS surface is fitted by point cloud of the blade and the cylinder surfaces are fitted by point cloud of gauges.

最后，分別擬合葉片點(diǎn)云和量規(guī)點(diǎn)云為NURBS曲面和圓柱體曲面。

A method is proposed for NC machining of extended parametric compound surfaces composed of NURBS and analytic ones.

提出了一種由NURBS曲面及解析曲面元素構(gòu)成的組合曲面數(shù)控加工無干涉刀具路徑的生成方法。

I use nurbs tools to help me model basic objects and to help with animation.

NURBS工具，可以幫助我建立基本模型對象并輔助動畫。

Every nurbs circle must have a new attribute called "radius" with the value equal to its radius.

每個nurbs圓周一定有一個被稱為有和它的半徑相等的價值“半徑”的新屬性。

The equations of motion for the simplified dynamic NURBS swung surfaces model are derived using the Lagrangian mechanics .

用彈性曲面的拉格朗日動力學(xué)推導(dǎo)出了準(zhǔn)D-NURBS擺轉(zhuǎn)曲面的運(yùn)動方程。

Non-Uniform Rational B-Splines (NURBS) provide a powerful tool in Geometric modeling and have been widely used.

非均勻有理B樣條（NURBS）因其優(yōu)越的性能而在幾何造型中校廣泛應(yīng)用。

Then the character of NURBS curve and calculation of related parameters are researched.

然后較為深入地研究NURBS曲線及其性質(zhì)，及其相關(guān)參數(shù)計算方法。

In order to can solve the high-speed cutting craft problem well, the related NURBS technology also becomes one of research hot spots.

為了能夠更好地解決高速切削的工藝問題，有關(guān)NURBS技術(shù)也成為研究熱點(diǎn)之一。

An algorithm for Non-uniform Rational B-Spline (NURBS) surface trimming was proposed.

提出一種用于非均勻有理B樣條曲面裁剪的算法。

From the results, the profile error of NURBS interpolation is related to feed velocity and curvature radius in NC machine tools.

仿真結(jié)果顯示，數(shù)控機(jī)床NURBS插補(bǔ)的輪廓誤差與進(jìn)給速度及給定曲線的曲率半徑有關(guān)。

The new model is based upon swung NURBS surfaces, and it inherits their desirable cross sectional design properties.

這一新的模型是基于擺轉(zhuǎn)NURBS曲面之上的，繼承了其有用的截面設(shè)計特性。

In this paper, matching measured data of free surface of product in RE with NURBS is put forward and NURBS model of product is set.

文章提出了在逆向工程中利用NURBS擬合產(chǎn)品自由曲面的測量數(shù)據(jù)，構(gòu)建產(chǎn)品NURBS模型。

The approximating method of NURBS curve is in detail discussed based on the section contour data.

基于截面輪廓數(shù)據(jù)，詳細(xì)探討了NURBS曲線的擬合方法。

Based-NURBS axial deformation method is presented.

對基于NURBS曲面提出一種軸變形方法。

This paper presented a method of constructing a C1 continuous, closed cubic NURBS interpolating curve.

本文給出一種構(gòu)造C1連續(xù)的閉的三次NURBS插值曲線的方法。

And the two optimized methods and the algorithm based on NURBS surface improve the efficiency of collision detection.

本文提出的兩種優(yōu)化方法和基于NURBS曲面的FDH算法也很好的提高了碰撞檢測的效率。

In this course we will explore hard-surface modeling by using a variety of NURBS tools and techniques in Maya to build a skateboard.

在這個過程中，我們將探索使用的NURBS工具和瑪雅各種技巧來建立一個滑板硬曲面造型。

And extracts in the NURBS curve using the accumulation chord length method two between arc lengths.

并且利用累計弦長的方法求出NURBS曲線上兩點(diǎn)之間的弧長。

At last, the commonly methods and steps for represention quadric surfaces using NURBS was find.

最后總結(jié)出了二次曲面進(jìn)行NURBS表示的一般方法和步驟。

It is most obvious that NURBS surfaces are much harder to control than Bezier surfaces.

這是最明顯的表示，NURBS曲面是更加難以控制，比貝塞爾曲面。

This paper presents a interpolation algorithm based on NURBS(Non-Uniform Rational B Spline).

文章提出了一種基于NURBS曲面的五軸聯(lián)動插補(bǔ)算法。

Then the formula determines in the NURBS curve using Fu Leinei coordinates.

接著運(yùn)用伏雷內(nèi)公式確定NURBS曲線上點(diǎn)的坐標(biāo)。

A tool path generation method is presented for NC machining based on vector analysis and NURBS.

描述了基于矢量分析和NURBS的數(shù)控加工軌跡設(shè)計方法。

4. Alias is still the most requested surface modeler, creaming Rhino by nearly 2 to 1.

4、Alias仍然是最重要的Nurbs曲面建模軟件，需求數(shù)與Rhino相比大約是2：1。