查询词典 fitting of a curve

Three cross-sections were made through crown and gingiva of the model tooth. Curve functions of axial buccal crown and gingiva contour of each section were acquired by means of curve fitting, and the angle of emergence pofile was calculated, which represents the degree of undercut.

以下颌第二前磨牙为研究对象，在牙列模型上通过牙冠部、牙龈作3个纵断面，用曲线拟和的方法得到每个断面的牙齿轴面外形及相应牙龈外形的曲线方程，以此分析两者之间的关系并计算牙冠起始外形角度，即倒凹程度的大小。

Chinese outline fonts ; curve ; concave point and convex point ; stroke extraction ; curve fitting.

汉字轮廓库； Bezier曲线；凹凸点；笔划抽取；曲线拟合

And then corresponding regression equation of each curve was obtained by curve fitting.

并通过计算机拟合出各曲线相应的回归方程。

An optical system with refraction and total internal reflection was proposed according to the luminous characteristic of LED and the law of energy conservation. The ordinary differential equations satisfying the spots on the contour curve of TIR refractive and reflective planes were established. The coordinates of points on profile curves were obtained by solving these ordinary differential equations using Runge-Kutta method. The profile curves were acquired by curve fitting of the coordinate spots with software UG, and then TIR model of the projector and data of the surface shape suitable for NC manufacture were obtained.

根据LED的发光特性以及能量守恒定律选择采用折射全反射光学系统，通过建立TIR折射面及全反射面轮廓曲线上的点所满足的常微分方程，利用RungeKutta求解常微分方程得到轮廓曲线上点的坐标，再在UG中对坐标点进行曲线拟合得到轮廓曲线，进而得到TIR模型及适合数控加工的面形数据。

This paper studies the influence of country economy guideline in power demand. According to identifying the main economy and society factors in affecting the change of Fujian power demand, the power demand forecast model is proposed. And the demand curve models fitting for diversified users are built by researching the influence of electrovalence to power demand.The influence of demand side management in load characteristic of Fujian power system is analysed.Used the arithmetic of modifying the history load curve, this paper forecast the changing and development trend of Fujian load characteristic.

本文研究了国民经济指标对电力需求的影响，通过识别影响福建省电力需求变化的主要经济社会因素，建立电力需求预测模型；研究了电价变化对电力需求的影响，对各类用户建立适合各自特点的需求曲线模型；分析了需求侧管理对福建电网负荷特性的影响，采用历史负荷曲线修正法，预测了福建电网负荷特性的变化发展趋势。

The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.

采用多项式拟合曲线，可以发挥其便于计算和分析的优点，能够更好地反映电流互感器10%误差特性，使用方便。

CT ; 10% error curve ; least square ; interpolation polynomial ; curve fitting

电流互感器； 10%误差曲线；最小二乘法；插值多项式；曲线拟合

With increasing loading, the reduction degrees of average correlative coefficients of linear fitting functions of isochronous stress axial strain curve and isochronous stress-radial strain curve are 0.97% and 0.67% respectively, which indicates the linear correlation decreases commonly.

随加载应力水平的提高，应力－轴向应变等时曲线和应力－径向应变等时曲线线性拟合函数的平均相关系数下降幅度分别为0.97%和0.67%，线性相关性普遍降低。

Leastsquare method and Lagrange's interpolation formula see their applicationsfor fitting fore-and-aft lines-whose aim is to calculate the intersection point ofequivalent inclined waterline-and differences. In order to replace theinconvenient alternate conduct of drawing and calculating, improvement hasbeen introduced into the paper which means all work can be done bycomputer. Capacity calculation cannot be done without boundary layer build-up. Fit every area curve and area moment curve is necessary because ofinterpolation.

在第二章中，给出了B样条函数的数学表达形式，推导了B样条曲线下所围面积、面积矩公式；讨论了最小二乘法和拉格朗日插值法的数学形式，并在拟合船体型线上给出首、尾轮廓线的具体实例，对比不同方法进行拟合的差异，其目的是为了求得与等体积倾斜水线的交点；而水线的确定改变了以往人工作图与计算交替进行的不足，尝试用计算机完全代替人工作图，以求有所改进；在舱容计算中，在至少包括舱室前、后壁的范围内拟合横剖面积、面积矩曲线，插值求得任一纵向位置处的剖面，以解决舱室边界条件。

The curve of a Hall-displace sensor possesses the characteristic of parabol a by analysing the character of the curve obtained by normal polynomial fitting.

通过对 某霍尔位移传感器位移、电压值的多项式拟合曲线的特点进行分析，发现该传感器曲线具有抛物线的特点，所以采用含开方项的多项式拟合。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。