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- We call this surface the stress quadric. 我們稱(chēng)這個(gè)曲面為應力二次曲面。
- Conic sections and quadric surfaces. 二次曲線(xiàn)與二次曲面。
- bitangent quadrics 雙切二次曲面
- How to prove the problems of inequality by quadric form is discussed. 討論了利用二次型證明不等式的問(wèn)題.
- A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 給出了利用初等變換求一個(gè)正交變換化實(shí)二次型為標準形的簡(jiǎn)便方法。
- It has appeared many results about regularity for weak solutions of quadric jncreasing parabolic equations. 得到了一類(lèi)二階散度型橢圓方程很弱解的一個(gè)正則性結果。
- The key idea of SSVM is to transform the standard model of SVM into an unconstraint quadric convex programming problem. SSVM模型的基本思想是將標準的支撐向量機模型轉化成一個(gè)無(wú)約束二次凸規劃模型進(jìn)行求解。
- Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts. 摘要在機械產(chǎn)品的逆向工程中，針對測量數據提取常用二次曲面是非常重要的。
- This paper proposes for the first time to use genetic algorithm based on real-number-coding to extract quadric surface. 首次提出利用基于實(shí)數編碼的遺傳算法針對離散數據點(diǎn)進(jìn)行二次曲面提取。
- On the area of actual process, It is often seen that one surface of the part is quadric surface. 在實(shí)際生產(chǎn)中,如果某一加工表面是二次曲面,對于這類(lèi)曲面輪廓的加工常采用數控加工方法。
- At last, the commonly methods and steps for represention quadric surfaces using NURBS was find. 最后總結出了二次曲面進(jìn)行NURBS表示的一般方法和步驟。
- Technology parameters were optimized by quadric regression orthogonal rotary design experiments. 結果表明,多糖得率的主要影響因素及其順序為浸提溫度、浸提時(shí)間、液固比;
- In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form. 利用二次型解決了雙協(xié)變量的方差分析方法。
- An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented. 摘要提出了基于二次曲面擬合誤差分析和幾何屬性分析的特征曲面識別算法。
- In order to solve the problem,this paper put forward an improved mesh simplification algorithm based on quadric error metrics. 為了解決這個(gè)問(wèn)題,本文作者提出一種改進(jìn)的基于二次誤差測度的網(wǎng)格簡(jiǎn)化算法。
- Then, on this basement, the method of calcutating the control vertecs and weights was given while representing quadric surfaces using NURBS. 在此基礎上給出了二次曲面進(jìn)行NURBS表示時(shí)控制頂點(diǎn)和權因子的計算方法。
- The construction of nonlinear normal modes of a system with 1: 2 internal resonance is presented for the case of quadric nonlinearity. 利用多尺度方法研究了一類(lèi)1:2內共振平方非線(xiàn)性系統的非線(xiàn)性模態(tài)的近似解及其分叉特性。
- A new algorithm is presented in this paper for piecewise quadric B-splines curve reconstruction from scattered data in a plane. 摘要基于控制頂點(diǎn)擾動(dòng)的思想提出了一種新的曲線(xiàn)重構算法，用于構造一條分段二次B樣條曲線(xiàn)來(lái)逼近平面上的散亂數據點(diǎn)。
- The system can be easily employed in automatic remanufacturing of workpiece of quadric surface, with various state of surface damage. 系統適用于缺損表面為二次曲面的工件，對不同缺損程度的工件的再制造可以自動(dòng)進(jìn)行。
- On the basis of our research work, we present a new algorithm for uniformly simplifying triangle mesh models, which is based on quadric error measure. 然后，在總結“折疊型”簡(jiǎn)化算法的簡(jiǎn)化過(guò)程的基礎上，提出一個(gè)基于二次誤差度量的三角網(wǎng)格攤薄簡(jiǎn)化算法。
