查询词典 interpolation method

In this paper, based on the rational transfinite interpolation, a set of global approximation method namely rational macro-element method was proposed.

基于有理超限插值，提出了一种在求解域边界布点的全域求解数值方法－有理宏单元法。

A differential iteration solution is presented by combining the features of bidirectional iteration method, Newton′s interpolation formula and direct differential method.

将"双向迭代"、牛顿二次差商以及直接微分等分析手段有效地结合起来，形成一种被称为"微分迭代"的波导方程解析方法。

A new method to extend quadratic upwind interpolation of convective kinematics scheme for the unstructured grid was developed based on the finite volume method.

在有限容积法的基础上发展了非结构化网格的对流项二次迎风插值格式。

Ritz variation method was used to find the numerical relation between the energy near the ground-state of the hydrogen molecular ion H 2 + and the changes of the variation parameter and the bond length,the computation formula of bond length and ground-state energy for H 2 + was also obtained by means of the method of parabolic interpolation .

用Ritz变分法求出了氢分子离子H2 +基态能量附近的能量随变分参数和分子键长变化的数值关系，并用抛物线插值法获得了H2 +键长和基态能量的值及其计算公式，比文献 [1，2 ]更接近于实验值。

Compared with the boundary element method based NAH, the variable interpolation, the numerical calculation and the disposal of singular integral are avoided in this method.

提出了以分布源边界点法作为声场的全息变换算法，建立了基于分布源边界点法的声全息重建和预测的数学模型。

Based on the transfinite interpolation theory, an improved algebraic grid generation method is presented in this paper. Our improvements of existing algebraic grid generation method include:(1) orthogonality control, which greatly improves grid orthogonality adapted to viscous flow calculation;(2) weighted average smoothing, which efficiently handles with grid intersection due to concave corner existence;(3) normal vector control, which adjusts grid smoothing near convex corner.

基于无限插值理论，引入本文提出的网格正交控制、物面法向量控制、加权平均光顺措施，给出了一种改进的空间网格生成方法，有效克服了传统无限插值网格生成方法在复杂外形网格生成方面的缺陷，有效改善了网格的法向疏密性、贴体性及周向网格的均匀性，对真实飞行器部件网格生成非常迅速。

This paper compares the advantages and disadvantages of each method,and considers that Areal Interpolation Algorithm based on surface models is an appropriate method to the gridding of vector polygon and should be used more extensively.

同时介绍了各类算法的实现思想，并比较了其优劣及应用范围，认为基于表面模型的面积内插法是一种比较理想且极具发展前景的矢量多边形网格化方法。

We used counting - interpolation time interval measurement principle and alternate storage ZDT, refined arming timing into two different measurement timing, pointed out requirement of zero dead time arming under different modulation domain measurements , gave the design of zero dead time module in modulation domain pulse analyzer, and introduced the realization method in detail. The correctness of the method has been verified in work.

文章采用计数-内插时间间隔测量原理和交替存储ZDT，并将触发时序提炼为两种不同测量时序，通过分析，指出不同测量时序下实现调制域测量功能对无死区触发要求，给出调制域脉冲分析仪无死区触发模块设计方案，详细介绍无死区需求实现方法，并已在工程中验证了该方法的正确性。

A method for measuring the size of the dispersed spot of star sensor optical lens is presented. A measurement system consisting of a collimator, a rotary table and a CCD cameral was implemented to measure dispersed spot. After a image is acquired, a method of bibubic interpolation pixel subdivision is used to pick up the gray value of the image, and the size of dispersed spot is calculated by Rayleigh criterion.

提出了一种星敏感器光学系统弥散斑尺寸的测试方法，主要是利用平行光管、转台和CCD显微摄像系统组成弥散斑测量系统，采集图像后，采用双三次插值像元细分，提取图像中灰度值，依据瑞利判据计算弥散斑尺寸。

The second method is a direct interpolation to evaluate the stree field with a moving least square method.

另一种是借助于活动的最小二乘法直接插值得到应力场。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。