fitting of curves 中文意思是什麼
fitting of curves
解釋
曲線配合-
Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic
提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。 -
When human serum albumin was adsorbed on the surface of au electrode or c12sh modified au electrode, different conformations were resulted and the processes of binding vepesid were also different. the corresponding kinetic parameters were obtained by fitting the response curves. the values of heterogeneous standard charge transfer rate constant for fe ( cn ) 637 fe ( cn ) 64 were obtained from the cyclic voltanimograms and the electrochemical impedance spectroscopy, and the electric double layer capacitance was calculated from the impedance semicircle
當在金電極及修飾了十二烷基硫醇的金電極表面吸附時， hsa以不同結合部位結合導致其吸附后的空間構象存在差異，在隨后的與足葉乙甙給合過程中表現出了不同的結合行為，並擬合了相應的動力學參數。 -
The difficulty in computer simulation of multi - curve fitting lies in data analysis and the judgment of adaptive situation of the curves, that is, dividing the period of calculating time
灌區多曲線計算機模擬的難點在於數據分析和判斷曲線的適用條件（即劃分推流時段） 。 -
( 3 ) the methods of determining the degree of ii ? curves based on the boundary of objects and tightly fitting objects with ip curve are proposed. the algorithms would help to fit and describe objects automatically by computer
這為計算機自動選取適當次數的隱含多項式曲線擬合與描述物體提供了依據，同時減少了圖像物體識別中人的參與。 -
With different clearance value, displacement curves and velocity curves of generalized coordinates as well as slider displacement error curves in a motion period are obtained. these curves are discussed. results show that if manufacturing cost is kept invariableness, in order to improve precision of mould - cuting, fitting precision of joint connecting the crank and coupler has priority to be considered to increase
採用四階rong - kuta法求解連續接觸模型的動力學方程，得到了一個運動周期內運動副間隙取不同值時，各廣義坐標的位移、速度曲線和滑塊位移誤差曲線，並通過曲線分析，得出了要提高模切機主切機構精度，在相同加工成本條件下，應優先考慮提高曲柄與連桿鉸接處的配合精度的結論。 -
As a result of the require of cagd in airplane, automobile shipping and electrical appliance etc, fairing of curves and surfaces has become the hot subject in all over the world. this paper presents a new method for fairing of curves based on fitting the derivative of second order of curves. several practicality examples has been given to show the advantage of this arithmetic
本文針對目前曲線光順演算法存在的問題，提出了一種採用最小二乘法來擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求光順曲線思想的曲線光順演算法，並給出了實際的算例來說明本文演算法的優越性。 -
The paper introduces the method of optimal design, which includes the non - constrained optimal design and constrained optimal design, then brings this method into the modeling of nurbs surfaces to resolve practical problems. the fitting of nurbs curves and surfaces are discussed in detail
其次，本文介紹了最優化設計方法，包括無約束優化方法和約束優化設計方法，並將最優化方法全面引入到nurbs曲線、曲面造型中去，解決設計中的實際問題。 -
Analyzing the rule of productivity degradation by using fitting method of binary regression curves and filtration method
利用二元回歸曲線擬合法和篩選法分析產能遞減規律 -
Abstract : six quasi - ternary liquid - liquid equilibria systems between benzene, toluene, p - xylene, n - heptane, methyl - cyclohexane and n - formylmorpholine ( nfm ) + water have been determined at normal pressure and 60 ; the conjugate phase compositions and the contribution curves of these quasi - ternary liquid - liquid equilibria systems were obtained ; the experimental data were correlated using uniquac and nrtl models ; the plait points of these systems were obtained by the constructive fitting for the conjugate phase and parameter predicting methods ; the selectivity and contribution coefficients of the solvent to the solutes were calculated
文摘:用液液平衡釜測定了常壓， 60下加水n -甲酰嗎啉和苯、甲苯、對二甲苯、正庚烷、甲基環己烷組分間6個擬三元體系的液液平衡，得到了擬三元液液平衡體系的共軛相組成和分配曲線；實驗數據用uniquac和nrtl模型進行了關聯；用共軛相作圖擬合法和模型參數推演算法獲得了各體系的褶點數據；並求得了溶劑對溶質的選擇性和分配系數。 -
Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso - parametric curves
其次，在曲面片內部，曲面擬合點和邊界方向導數可以從參考曲線中通過構建虛擬等參線的方法得到。 -
The molding procedure includes dealing with the end points of section curves, fitting the curves with the defining points, smoothing the curves, sheet molding of the blade surfaces and solid molding of the blade body
造型過程如下：葉身截面線的端點處理、葉身截面線的擬合處理、葉身截面線的光順處理、葉身曲面造型、葉身實體生成。 -
At the same time, according to the excellent capability of ip curves, we study fitting and description of objects, determination of invariants of objects, symmetry detection and recognition of objects based on ip curves. in all, the main contributions in the dissertation are as follows : ( 1 ) a method of determining automatically the scale of the multiscale edge detection is proposed based on the variant distance of the variogram function, and a method of segmenting texture images is also presented. the variograin values are taken as stochastic and structural properties of texture images and variant distance is taken as the size of image window
同時，基於隱含多項式曲線良好的物體描述與識別能力，對物體邊界輪廓的擬合、描述、不變量特徵的提取、識別以及物體對稱性檢測作了系統的研究，主要成果及創新之處有： （ 1 ）基於變差函數的變程，提出了圖像多尺度邊緣檢測中尺度大小的自動確定方法；將變差函數的變差值作為紋理的統計和結構特徵，依據變程確定窗口大小，給出一種新的紋理圖像的分割方法。 -
Therefore, some algorithms of quintic spline interpolation are first developed or improved, tested and evaluated. the algorithm of local quintic spline interpolation ( qa3 ) and quintic b - spline interpolation ( qa4 ) therein are very propitious to curve fitting of discrete data points and to nc programming of freeform curves and surfaces
因此，完善、推導和開發了多種五次樣條插值演算法，並對其進行了測試和評價，認為：五次多項式樣條局部插值演算法qa3和五次b樣條插值演算法qa4非常適合於離散數據的曲線擬合和曲線曲面的nc編程。 -
The estimation procedure is based on the steady - state characteristics versus slip curves. the sum of squares of differences between calculated and experimental characteristics is employed as the fitting criterion. the machine parameters are obtained by minimizing the least - squares cost function using genetic algorithms
該方法利用電機穩態特性曲線，以特性計算值和實驗值的擬合誤差的平方和作為判斷準則，通過應用遺傳演算法最小化二乘準則函數來獲取電機參數。 -
Because the shape of hull is very complicated and the curves and the surfaces have second order continuity, after many years of research and discussion. the appearance of b - spline brings the ship cad with a breakthrough, now, nurbs ( nonuniform rational b - spline ) becomes the most powerful fuction in hull cuve fitting and fairing
由於船體外形復雜，並且船體外形曲線與曲面具有二階連續的特性，經過多年的研究和探討，直到b樣條函數的出現和發展，才給船體型線的計算機輔助設計，帶來了突破性的進展。 -
According to the load and pipeline characteristics of heating systems, puts forward the principle of selecting circulating water pumps and the fitting method of characteristic curves
摘要針對供暖系統的熱負荷及管路特性，給出了循環水泵的選擇原則及其特性曲線的擬合方法。 -
Especially, in order to assure the smooth connection between the adj acent surfaces, the surface fitting algorithm of interpolating four boundary cur ves and approximating inner scattered data is presented, the surface fitting al gorithm of interpolating four boundary curves and cross boundary derivative v ectors and approximating inner scattered data is also presented
特別地，為保證曲面間的光滑連接，提出了一種插值于給定邊界曲線且逼近內部散亂數據點的曲面擬合演算法：提出了一種插值于給定邊界曲線及其跨界導矢且逼近內部散亂數據點的曲面擬合演算法。
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