spline s 中文意思是什麼

spline s 解釋
樣條函數
  • spline : n. 1. 【機械工程】花鍵;方栓;止轉楔;齒槽,齒條,鍵槽條。2. 【建築】塞縫片。3. 活動曲線規。vt. 1. 開鍵槽于。2. 用花鍵(或方栓)聯接。
  • s :
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。
  2. 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。
  3. The tsf method combines efficiently llsf and tri - cubic spline interpolation, learns from others " strong points to offset one ' s weaknesses, so has rapidity and high accuracy of computation and is suitable for contour surface drawing in real - time. 3

    該方法綜合多元樣條擬合法與局部加權最小二乘法,揚長避短,不僅保證了逼近精度,提高了計算速度,而且加密計算的結果可直接應用於等位面的實時顯示。
  4. This paper presents monomodality registration of rigid body, elastic rigistration of non - rigid body and interpolation used in image registration. by comparison of several interpolations, because of the best tradeoff between accuracy and the computational cost, cubic spline interpolation is selected as interpolation of this paper ' s registration

    首先通過對配準中所採用的幾種插值演算法進行了比較,選出了有較高插值質量和有較高計算效率的三次樣條插值演算法作為本文中配準方法所採用的插值。
  5. In order to calculate easily and do n ' t influence the single - chip microcomputer ' s calculate velocity, we put forward two scheme to deal with the numerical value, one is to use a simple function to close or approach a normal function f ( x ) ( mainly is lagrange ' s intepolation, newton ' s intepolation, hermite ' s intepolation, cubic spline interpolation, etc. ) the other one is function approach ( mainly is chebyshev ' s polynomic. legendre ' s polynomic, laguerre ' s polynomic, method of least squares, etc. ), we analyze and compare the lagrange ' s intepolation and chebyshev ploynomic, at last, we select the chebyshev polynomic to do the value calculating on single - chip microcomputer

    提出了數值處理的二種方案。即用簡單函數近似或逼近一個一般函數f ( x ) (主要有拉格朗日插值、牛頓插值、埃爾米特插值、三次樣條插值等)和函數逼近(主要有切比雪夫多項式、勒讓德多項式、拉蓋爾多項式、最小二乘法等) ,對上述兩個方案中的典型函數?拉格朗日插值和切比雪夫多項式進行了分析比較,最後選取切比雪夫多項式完成單片機上的數值計算。
  6. In chapter 6, the usage of floater ' s algorithm on a disk is discussed which is for geometric reconstruction of surface with four edges using double cubic b - spline surface, and the algorithm is generalized to a cylinder and a mobius

    第六章討論了floater關於四邊拓撲曲面的雙三次b樣條幾何重建方法在圓一摘要浙江大學博士學位論文一盤拓撲曲面上的應用,並將其推廣到平環與mbbius帶上。
  7. In proc. acm siggraph, 1994, pp. 303 - 309. 21 pottmann h, leopoldseder s, hofer m. approximation with active b - spline curve and surfaces

    此處,我們引入了具有最小能量的控制曲線,由此降低了曲面次數並很好的控制了曲面的形狀。
  8. The result shows that the sufficient and necessary condition of the quadratic rational b - spline curve ' s curvature monotony is similar to the quadratic rational bezier curves ", but its condition is some different from the quadratic rational bezier curves " curve ' s rendering algorithm is an important content in computer graphics, cad

    曲線的生成演算法是計算機圖形學的重要內容。對於一些基本曲線,如直線,圓,橢圓等,都有快速生成演算法,如畫直線的bresenham演算法, dda演算法,畫圓的bresenham演算法,中點法,正負法, pitterway的橢圓及拋物線繪制演算法等等。
  9. At last, compared the three data extention technologys merits. the time - series based and neuron network based data extention methods were proposed. chapter four studied the improvement of the emd algorithm al efficiency and precision. reserthed the effect of spline interpolation ' s end condition to the emd algorithm ' s precision, then discussed the low - order and propoed high - order spline interpolation based emd algorithm and their effects

    第三章介紹了emd演算法端點效應的機理;然後系統地研究了直接信號序列延拓技術、基於時間序列預測和基於神經網路預測的數據序列延拓技術的特點及性能;最後,對各種延拓技術進行了比較研究,分析了各種延拓技術的優缺點。
  10. Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning

    由基於可變zmp和三維倒立擺的動力學原理,推導出了單腳支撐期內和步行方式轉換期間機器人的質心運動軌跡方程;並採用三次樣條曲線來保證機器人在雙腳支撐期質心加速度的連續性,從而由規劃得到了光滑的質心運動軌跡。
  11. 18 cohen f s, huang z, yang z. invariant matching and identification of curves using b - spline curve representation

    第四,利用圖像畸變的拓撲不變性質對特徵匹配剪枝,降低計算代價。
  12. Studied and proofed the relationship between the continuity of the interpolation spline function ' s derivative and its low - pass respondence in frequency domain. that is, we have try to answer the question : why do we need to design a spline function with second order continuity of its derivative

    推導了插值樣條函數的導數連續性與其頻率響應的低通性的關系,在數學上解釋了為何在構造樣條函數時要追求二階導數連續。
  13. We have more important significance studying quadratic rational b - spline curve ' s curvature monotony. this paper derive the curvature monotony condition for the quadratic rational b spline curves by using the skew coordinate system that can reduces the calculation process. and the curvature monotony condition is compared to the quadratic rational bezier curves "

    本論文通過建立斜坐標系,簡化了計算過程,推導出了二次有理b樣條曲線曲率單調充要條件,並與二次有理b zier曲線的曲率單調條件相比較,結果表明:二次有理b樣條曲線曲率單調的充要條件與二次有理b zier樣條曲線相類似,但其條件又有不同。
  14. Then the center ' s track equation of the circular cutter which was used to manufacture the cam was presented. for the problem of designing on combined cam mechanism which follows the given track, typical nodes in the track were selected at first. then the spline interpolation method was employed to plot the smooth track

    針對實現特定軌跡的凸輪一連桿組合機構設計問題,文中首先選取軌跡上有代表性的節點,採用樣條插值法繪出光滑的軌跡曲線,進而具體分析從動件的位移、類速度、類加速度,最後對凸輪-連桿組合機構進行設計。
  15. In the design, gear and spline were adopted, so symmetrical movement of ( collimator ’ s ) lead gates can be achieved easily, mechanical structure became more compact. worm was adopted to adjust mirrors accurately, and deflection of mirrors can be prevented in case of the external impacts or vibrations

    採用齒輪齒條結構,實現鉛門的對稱開合運動,使子系統的機械結構更為緊湊,同時提高了定位精度;採用蝸輪蝸桿調解反光鏡的角度,可以使反光鏡的調節更精確,同時可以防止在外界振動或撞擊下反光鏡發生偏轉。
  16. Paper [ 76 ] provides a integer algorithm for rasterizing free curves, we need change the curve form to implicit function form, then use curve ' s positive - negative property to draw, but we ca n ' t use this algorithm when curve ' s degree is higher than 3 and this algorithm ca n ' t avoid using multiplication ; paper [ 77 ] provides a new generating algorithm, this algorithm can draw bezier very well, but for b - spline curve, we need use convert them into bernstein base form. because this process spends a lot of time, this algorithm has not a good speed and effect for rendering rational b - spline curve

    現在經常採用的演算法也是基於幾何的演算法(即線式生成演算法)和基於像素的演算法(點式生成演算法) ;文獻78 ]提供了一種有理參數曲線的快速逐點生成演算法,該演算法對有理b吮ier曲線的繪制,能起到很好的作用,但是對于有理b樣條曲線,必須先通過多項式的代數基與bemstein基間的變換矩陣,把原式用bemstein基表示,這一過程由於計算量大,降低了曲線生成的速度和效率
  17. With loe ’ s idea of singular blending, this paper addresses non - uniform algebraic trigonometric ( nuat ) b - spline curve and surface interpolation methods

    本文主要應用loe 』 s的奇異混合思想,研究了非均勻代數三角( nuat ) b樣條曲線曲面的插值方法
  18. Several surface fitting methods are d iscussed. the parametrization of scattered data, the selection of knot vector, th e control of precision and the stability of the methods are analyzed, and the algorithm for b - spline surface fitting to scattered data in specified tolerance i s given

    2 )研究了對散亂數據進行b樣條曲面擬合的問題,討論了數種常用的曲面擬合方法,分析了散亂數據的參數化、節點矢量的選取、精度控制、數值穩定性等問題。
  19. In this paper, we not only illustrate the superiority of quadratic spline wavelet edge detection ' s arithmetic from experimental work, but also prove quadratic spline wavelet is optimum edge detection ' s arithmetic based on canny optimum criterions of edge detection

    文中,我們不僅從實際工作中闡明了二次樣條小波邊緣檢測運算元的優越性,還從數學表達上推導了二次樣條小波是基於canny最優準則的最優邊緣檢測運算元。
  20. 3 ) b - spline surface fitting to contour data is studied. a fitting method of using uniform knot vector is given. using this method, the resulted b - spline s urface not only satisfy the requirements of precision, but also possess fewer c ontrol vertices and good fairness, the computation speed is greatly improved t oo

    3 )研究了逐層掃描數據的曲面擬合問題,給出了一種是利用統一的節點矢量進行擬合的演算法,用該法得到的b樣條曲面不僅可以滿足精度要求,而且具有較少的控制頂點和較好的光順性,計算速度也有較大的提高。
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