b-spline b 中文意思是什麼
b-spline b
解釋
樣條曲線-
The de boor algorithm and a knot insertion algorithm are also given for b - spline curves
還給出b -樣條曲線的deboor演算法和節點插入演算法。 -
They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order
此外由於它們還具有三角函數的優點,故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地, 3次均勻t - b樣條曲線曲面比同階均勻b樣條( c - b樣條)曲線曲面具有更高的光滑度。 -
Fitting method for pump complex characteristic curve based on b - spline
樣條的水泵復雜特性曲線擬合方法 -
We use b - spline smoothing technique to smooth the characteristic function without changing the integral quantity and get a differentiable weight function. the method considerably improves the quality of sampling points
我們用b樣條磨光技術在不改變積分值的前提下磨光特徵函數,用可微的權重函數代替特徵函數,提高了采樣的質量。 -
Cutter radius compensation method with b - spline curves
樣條曲線刀具半徑補償方法 -
Densifying contour map based on intersecting algorithm of line and b - spline curve
樣條曲線求交演算法加密等高線圖 -
Secondly, the various conic arcs and conies are generated by the rational triangular bezier and the b - spline method in polar coordinates system
其次,給出圓錐曲線弧及其補弧的三角有理b zier表示;以及任意角度二次曲線弧的極坐標b樣條表示。 -
After introducing some backgrounds and the state of art of motion editing and motion synthesis, we introduce some basic operations of motion editing and show implementation results in eidolon. chapter 3 describes inverse kinematics, and two real time algorithms : ccd and jacobian transpose are discussed in detail. in chapter 4, we introduce the principle of multiple level b - spline, and motion path editing is achieved with such spline
在介紹了運動編輯和合成的一些背景知識和研究現狀后,本文第二章概述了運動編輯的一些基本操作並給出了在eidolon中的實現結果;第三章介紹了逆向運動學演算法,著重講述了兩個具有實時性的演算法:循環坐標下降法和雅克比轉置法;第四章詳細介紹了多層次b樣條原理和用其進行運動路徑編輯的方法。 -
After introducing the conventional edge detection operator and multiscale wavelet edge detection operator, we discussed the well quality of b - spline function > n - class derivative of gauss function n harmonic function and hermite function in wavelet theory and their concrete application in the image edge detection
在對單尺度下的傳統邊緣檢測運算元和多尺度小波邊緣檢測運算元介紹的基礎上,討論了b樣條、 gauss函數的n階導數、諧波函數以及hermite函數在小波理論中所具有的良好性質,以及它們在圖像邊緣檢測中的具體應用。 -
B - spline function approaching method in moving force identification
玻璃鋼復合材料結構的力學性能測試分析 -
On detection of prominent point using b - spline model
樣條模型的曲線特徵點檢測法 -
Then a high - degree geometric continuity blending surface is obtained with transfinite interpolate method. ( e ) g3 blending surface with approximation can be constructed by lofting if geometric invariant errors are given, the surface can be converted to b - spline, nurbs form for the purpose of system aggregation
最後,為滿足曲面造型系統集成的需要,在保證曲率、曲率導數和撓率精度情況下,將上述研究結果應用於曲面放樣逼近方法,得到參數過渡曲面轉換成b樣條曲面或nurbs曲面的形式。 -
The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。 -
Fault diagnosis of a bend axial piston pump with b - spline wavelet
樣條小波在液壓泵故障診斷中的應用研究 -
Auto - adapted fitting algorithm of b - spline surface objects
樣條曲面自適應擬合演算法 -
An algorithm to generate bi - cubic b - spline surfaces
樣條曲面的生成方法 -
Smooth joining between adjacent b - spline surfaces
樣條曲面的光滑拼接 -
Evaluation algorithm and knot insertion algorithm for b - spline surfaces
樣條曲面的求值和節點插入演算法研究 -
Fair fitting method of b - spline surface and computation of fitting precision for sectional points
樣條曲面光順擬合及其精度計算 -
Secondly, an improved approach for fairing of bi - cubic b - spline surface is presented
提出了一種改進的雙三次b樣條曲面光順方法。
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