查询词典 degree of approximation

This algorithm firstly translates arbitrary parameter curves into the piecewise cubic-degree Bezier curves, then using the properties of Bezier curve we can get the tangent vector and the normal vector of every point on the approximation curve, and calculate the approximating offset curve.

此算法先将任意形式的参数曲线转化成分段三次Bézier曲线，利用Bézier曲线的性质容易得到逼近曲线的切向量和法向量，从而计算出其等距逼近曲线。

The boundary of interval Ball curves of degree n is discussed and two algorithms for the degree reduction of interval Ball curves are given by means of linear programming and best approximation respectively.

讨论了n次区间Ball曲线的边界的构成；同时通过讨论区间多项式的降阶，利用线性规划法及最佳一致逼近法，给出了区间Ball曲线的的降阶算法。

The research indicates that it can get very fine results that the series data of equally interval are filtered by the certain S-G filtering coefficients as long as choose the window data and the degree of polynomial approximation appropriately, and the relatively narrow scraggly part can be protected effectively.

研究表明，只要窗口数据和多项式拟合阶次选择恰当，所确定的S-G滤波系数对于等时间间隔的数据序列进行滤波能够获得很好的效果，并可有效地保护较窄的凸凹部分。

Information entropy being fused in residual correlation analysis of dynamic model, this paper constructs a general diagnostic quantity named "residual entropy", which means the of information left in residual series, and indicates the approximation degree of residual to white noise.

残差熵，它的直观物理意义是残差序列中所残留的信息量，可以定量地反映残差序列逼近白噪声的程度。

Aimed at the evaluation question with only fuzzy judging matrix but without experts' weights, impersonal weights is given according to the attribute importance, by constructing the approximation degree of the evaluated object to ideal points, the most optimal scheme is selected.

针对只有模糊评价矩阵而没有专家权重的情况，根据属性的重要性确定约简后指标的客观权重，通过构造被评对象到理想点的贴近度，对多个方案进行优选评估。

The optimal and worst solutions of each objective function are obtained, and the solution with the earliest start-time under the fewest number is found. A series of noninferior solutions that have the earliest start-time are obtained after increasing the number of selected depots continually. The original model can be converted to search for a solution that has maximum approximation degree of positive-negative perfect point.

分别求出各个目标函数的最优解和最劣解，寻找使出救点个数为最优情况下使应急开始时间最早的解，在此基础上增加出救点的个数继续寻找，并将备选出救点集合缩小为运输时间小于上一次应急开始时间的出救点；得到一系列非劣方案后，对各目标函数按照具体情况赋予一定的权重，将原问题转化为求解使正负理想点接近度最大的非劣调度方案。

Fig 1 illustrate another general phenomenon, the amorphous regions in partially crystalline polymers also assume a glassy state, Tg being independent of degree of crystallinity the a first approximation .

从一级近似来讲。好与结晶度无关，以认为是玻璃态。从一级近似来讲。

In this paper,based on an improved orthogonal expansion in an clement , using the new idea of Ref.[3] ,a new error expression of n-degree Hermite finite element approximation to one-dimensional 4-degrec 2-point bounded problem and 2-degree ordinary differential problem, and then optimal order superconvergence for their first derivatives is obtained.

本文针对在改进的单元正交性估计的基础上，利用文[3]提出的新想法，得到一维四阶两点边值问题和二阶常微初值问题的n次赫米特有限元u_h∈C~1的新误差估计式，以及导数误差的最佳阶超收敛，并且两者有相同的超收敛结果。

Employing scattering modes of Kirchhoff approximation and two-scale randomly rough surface in active remoter sensing and physical definition about emissivity in passive remote sensing , the relations of between backscattering cross , effective emissivity and polarization , incident angle , wind speed and whitecap-covered percentage are calculated and show the degree of whitecap affect microwave remote sensing.

在主动遥感方面采用KA模式和双尺度随机粗糙面散射理论模式，在被动遥感方面利用发射率的定义得到有效热发射比，在本文的模型下计算了热发射比以及极化状态的后向散射系数与极化方式、入射角、风速、白冠覆盖率等各参量间的关系，讨论了白冠层的存在对微波遥感模式的影响程度。

Firstly,proposed an extended rough sets model based on concordance relation which relaxed the indiscernibility relation and tolerance relation.Secondly,redefined some concepts,such as the indiscernibility degree between two objects,the indiscernibility degree between two clusters,integrated approximation rate of the clustering result.

首先在经典粗糙集理论的基础上，通过松弛对象之间的不可分辨和相容性条件，得到了基于和谐关系的扩展粗糙集模型；然后定义了新的个体间不可区分度、类间不可区分度、聚类结果的综合近似精度等概念，提出了新的混合数据类型层次聚类算法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。