quadratic curve
英 [kwɒˈdrætɪk kɜːv]
美 [kwɑːˈdrætɪk kɜːrv]
网络 二次曲线; 二次曲線
双语例句
- In this paper, the existence theorem of midpoint chord of quadratic curve, as well as its proof, is given via methods of projective geometry and polarity principle.
文章利用射影几何方法及配极原理给出二次曲线中点弦存在性定理的证明。 - A Adjoint Point of a Quadratic Curve Which Contact Three Side of a Fixed Trangle and Its Distribution
相切于定三角形三边的二阶曲线的伴随点及其分布 - MAC Backoff Algorithm for WLAN Based on Quadratic Curve
基于二次曲线的无线局域网MAC退避算法 - Empirical study shows that, in short term, there is a quadratic curve relation between ownership concentration and corporate performance measured by market index;
实证研究表明，在短期，股权集中与以市场指标衡量的公司业绩之间存在二次曲线关系； - Non-uniformity Correction of IRFPA Based on Quadratic Curve Fitting
二次曲线拟合实现红外图像非均匀性校正 - Yield had a significant relationship with nitrogen absorption which was expressed to quadratic curve and hence NUE decreased with nitrogen absorption to linear curve in dry year.
冬小麦产量和吸氮量之间有显著相关关系，干旱年份更接近二次曲线，氮素利用效率随吸氮量增加呈直线下降趋势。 - Quadratic curve fitting in phase diagram drawing
相图绘制中二次曲线拟合的改进 - We classify the center real quadratic curve by discussing equation coefficient.
又通过方程的系数讨论对中心实二次曲线进行了分类。 - With the theory, any straight line and quadratic curve ′ s equidistance curve can be interpolated indirectly with the help of outline and wire circle ′ s information, it is unnecessary to calculate equidistance curve.
这种理论直接利用曲线和丝圆的信息，间接实现任意直线和二次曲线的等距曲线的插补，而不需计算等距曲线。 - The paper expounds the algorithms of generating quadratic curve.
论文阐述了几种二次曲线生成算法； - A computer program for dynamic elasto-plastic analysis is designed. Imitative dynamic equation method is set up to calculate non-linear dynamic responses of structure, in which quadratic curve is used to fit history curves of velocity and acceleration within time step Δ t.
编制了剪切型结构弹塑性动力时程分析通用程序，在时间步长△t内用二次曲线拟合动力反应的速度和加速度，采用求解动力响应的非线性拟动力方程法。 - A general interpolation algorithm for quadratic curve
二次曲线通用插补算法研究 - In Chapter 3, some nonmonotone PVT algorithm s are constructed and their convergence theorems are demonstrated. A second-order PVT algorithm for solving nonconvex unconstrained optimization problems, based on negative curvature directions and quadratic curve searches, is proposed, and its convergence theorem is proven.
在第三章中，首先给出几种非单调PVT算法及其收敛性定理，然后利用负曲率方向和二次曲线搜索，给出了非凸无约束规划的二阶PVT算法，证明了算法的收敛性定理。 - Solving the dynamic problem of a particle bounded a quadratic curve has been reduced to two hyperelliptic integrals of the first kind, thus, an analytic solution of this problem has been achieved for the first time.
本文将一个受二次曲线约束的质点动力学问题的求解归结为两个第一类超椭圆积分，从而首次得出该问题的解析解。 - Solution to Temperature Field in Plate Rolling Process by Quadratic Curve Model
二次曲线模型求解中厚板轧制过程中的温度场 - Classification and Simplification of the Quadratic Curve Equation
二次曲线方程的分类与化简 - When the generation cost function is quadratic curve, the new bargaining is compared with the former one.
比较了发电费用曲线为二次曲线时新的定价方式与已有定价方式的关系。 - Quadratic curve is simpler in form and calculating compared with these curves.
与这些曲线相比，二次多项式曲线具有形式简单、计算方便等特点。 - In addition, research was made on 6 types of arch configuration such as three center circle, logarithm spiral curve, parabola, hyperbola, ellipse and the general quadratic curve.
本文分别对三心圆、对数螺旋线、抛物线、双曲线、椭圆和一般二次曲线六种体型进行了研究。 - An iteration method for the best quadratic curve normal approximation
二次曲线最佳法向逼近的插值点优化迭代法 - The computation of geometrical characteristics of B é zier rational form of quadratic curve
二次曲线的有理Bézier形式几何特征的计算 - Discriminant of Position Relationship between an Ellipse and a Quadratic Curve
平面椭圆与二次曲线间位置关系的判别式 - In this paper we study the applications of linear transformation and quadratic form in elementary mathematics, especially in turning general quadratic curve equation into standard form by rotation of coordinate axis ( i. e. coordinate transformation).
研究线性变换和二次型在初等数学中的应用，尤其在通过坐标轴的旋转（即坐标变换）化一般二次曲线方程为标准方程等方面的应用。 - Firstly, the curvature continuity conditions between two adjacent rational quadratic curve segments are derived. Secondly, an optimal algorithm is presented for solving out the tangent lines at every points of a closed point set in a plane.
首先导出了两相邻二次曲线段间曲率连续的拼接条件，然后提出了求解平面上一个闭的点列中每一点处的切线的最优算法。 - Developed on the basis of B-spline, the non-uniform rational B-spline ( NURBS) overcomes the defect that the B-spline can not accurately express quadratic curve or surface, and becomes the standard technology to define the geometry of the CAD.
在B样条基础上发展起来的非均匀有理B样条（NURBS），克服了B样条不能精确表达规则二次曲面的缺陷，成为了CAD中定义几何的标准技术。 - Introduced Piecewise quadratic curve fitting method to calculate target trajectory and estimate the target position, which is a path selection mechanism to overcome the low curve fitting discontinuous, to ensure the accuracy of low trajectory curve fitting and reducing the computation costs.
采用分段二阶曲线拟合法计算目标轨迹并估计目标位置，一种路径选择机制克服了低阶曲线分段拟合不连续的难点，保障了低阶曲线轨迹的拟合精度并降低计算开销。 - In the measurement data processing, using median filter and a quadratic curve fitting technique, as far as possible from the software to ensure the accuracy of measurements.
在测量数据的处理中，采用了中值滤波与二次曲线拟合技术，从软件上尽可能保证测量值的准确性。 - The results show that the trace is similar to the quadratic curve predicted by theory.
试验结果表明秸秆抛出后的轨迹遵从抛物线规律，同理论预测的结论一致。 - In this paper, the basic idea of solving quadratic curve and surface fitting problem is least-squares method, therefore, there is detailed description focused on the basic idea of least-squares. Finally, this paper proposes a new method for the conicoid fitting.
本文解决二次曲线曲面拟合问题的基本思想是最小二乘方法，所以文中着重介绍了最小二乘的基本思想。最后本文提出了一种求解拟合二次曲面的新方法。 - A backtracking interpolation theory based on the synthetic interpolation theory was expounded, a controlling program used to cutting straight line and quadratic curve has been developed successfully.
论述了基于曲线合成插补理论的反向合成插补理论，研制出直线和二次曲线切割加工控制程序。