quadratic surface
英 [kwɒˈdrætɪk ˈsɜːfɪs]
美 [kwɑːˈdrætɪk ˈsɜːrfɪs]
n. 二次曲面
双语例句
- Virtual Experimental Design of the Quadratic Surface Base on Computer; Reestimate China's Philips Curve Using Panel Data Model
二次曲面绘制的计算机虚拟实验设计基于面板数据的中国菲利普斯曲线再估计 - Critical fault clearing time of multi-machine systems with the quadratic surface method
用二次曲面方法求解多机系统故障临界清除时间 - Simulation results show that the quadratic surface method has a fixed error direction and better precision with most fixed errors being less than 10%. Therefore, the system fault severities can be ranked.
仿真结果表明，该方法具有固定的误差方向和较高的计算精度，误差基本能控制在10%以内，能够对系统的故障严重程度进行排序。 - The method for determining extreme value of principal axis of quadratic surface
确定二次有心曲面主轴的极值方法 - The methods of solving tangent plane equations of quadratic surface and tangent equations of quadratic curve
一种求二次曲面切平面及二次曲线切线方程的方法 - Using geometric method, the mathematic model of grinding quadratic surface with cup wheel and the trace of the cup wheel are derived.
运用几何方法，推导了杯形砂轮铣磨二次曲面的数学模型和砂轮轨迹的计算公式。 - Mathematical Model and Error Analysis of Grinding Quadratic Surface With Cup Wheel
杯形砂轮铣磨二次曲面的数学模型与误差分析 - The interpolation algorithm based on quadratic surface fitting
基于二次曲面拟合的插值算法 - Quadratic surface fitting and uncertainty analysis of fitting parameters
二次曲面拟合与拟合参数不确定度分析 - With this method, shape points were calculated by surface outline equation got from quadratic surface.
该方法通过二次曲面求管线表面轮廓方程进而求得管线的型值点集。 - Study the Intersection Line of Two Quadratic Surface Problems Based On the Space Perspective Affinity Transformation
基于空间透视仿射变换研究相贯线问题 - The theory of extreme value of quadratic function is summarized from both conditional and unconditional extreme values and the linear equations set of the principal axis of quadratic surface is determined.
从J函数的无条件极值和条件极值两个方面，综述了二次函数的极值理论，以及确定二次有心曲面主轴的线性方程组。 - In order to resolve the problem of interpolation, A kind of interpolation algorithm based on quadratic surface fitting is addressed after the author study all sorts of interpolation methods.
为了有效解决图像旋转过程中的插值问题，本文在研究现有的图像插值算法的基础上，提出了一种基于二次曲面拟合的插值算法。 - From this paper, the equations of tangent planes of a quadratic surface are obtained by matrix operations.
本文应用矩阵的运算，给出求二次曲面的切平面方程的一个筒单方法。 - Programming of Multi-Functional Calculation for the Optical System of Quadratic Surface
多功能二次曲面光学系统计算程序设计 - The auto-body surface was generally produced by quadratic surface and free-form surfaces through extension, transition and cut out. Fitting complex auto-body surface with a sole surface mathematical model can't guarantee the precision of reconstruction surface.
汽车车身曲面一般由二次曲面和自由曲面等经过延伸、过渡、裁剪拼接而成，只用单一曲面数学模型拟合复杂车身曲面，难以保证重构曲面的精度。 - Massive simulation experiments have proved the correctness and possibility of the fitting algorithm of quadratic surface which is based on general equation.
大量的仿真数据实验表明，本文提出的基于一般化方法的标准二次曲面拟合算法的正确性和可行性。 - A Matrix Method for Seeking the Equations of Tangent planes of a Quadratic Surface
求二次曲面的切平面方程的矩阵法 - In this paper, we use the method given by 〔 3-4 〕 to discuss the circular points of quadratic surface and find out the circular points of those surfaces when it is existent.
本文利用[2]给出的方法，对二阶曲面的圆点进行了讨论，并对存在圆点的曲面求出了圆点。 - Introduces relevant mathematical knowledge of quadratic surface, probe into experimental design of the quadratic surface graphics drawing and its characteristic showing, and provides algorithm course and procedure of realization of the graphics drawing and characteristic drawing by concrete instances.
介绍了二次曲面的相关数学知识，探讨了二次曲面图形绘制及特征展示的实验设计，并通过具体实例给出了图形绘制及特征展示的算法过程和程序实现。 - Gauss Ball~+ Based Quadratic Surface Sub-Decomposition and Recognition
基于GaussBall~+的二次曲面细分解与识别 - Ingenious application of tangent plane equation of quadratic surface
巧用二次曲面的切平面方程 - As an important approach for improvement of productive efficiency and shape design, more and more attention is paid for reverse engineering, fitting of quadratic surface is one of its components.
作为提高生产效率和改善造型设计的重要途径，逆向工程受到越来越多的重视，空间二次曲面拟合是其重要组成部分之一。 - The thesis provides a new intersection algorithm between a cylinder and a quadratic surface.
1本文提出了圆柱面与一般二次曲面的求交新算法，给出了相应交曲线端点的定位方法。 - Nowadays, general fitting methods are based on the character equations of quadratic surface to implement. For it is so complicated that a lot of fitting software exist a lot of restrict conditions.
目前的通用方法都是基于二次曲面的特征方程进行拟合，由于特征方程求解复杂，因此这些拟合软件在进行曲面拟合时均存在很多的限制条件。 - The Determination of Some Special Points for the Line of Intersection of Quadratic Surface By An Analytical Method
用解析法确定某些二次曲面相贯线的特殊点 - The problem to determine the principal axis of quadratic surface is summed up to be that of finding the stop point of J-function.
并将确定二次有心曲面的主轴问题，归结为求J函数的逗留点问题。 - Determining the parameters of quadratic surface or conic section by optimization
用最优化方法确定二次曲面和曲线的参数 - The fitting with the conic or quadratic surface also obtains the widespread application in the daily life and the industrial production.
二次曲线曲面拟合在日常生活和工业生产中也得到广泛应用。 - The question request the error of the fitting with the conic or quadratic surface to the plane or spatial data points is smallest under some kind of significance.
问题要求用二次曲线曲面对平面或空间多个数据点进行拟合是指在某种意义下误差最小。