查询词典 interpolation problem

Having analysed the localization of several typical methods for traveltime computation(finite difference method,linear interpolation method and so on) in briefly,authors put forward a method for traveltime computation based on nonlinear interpolation ,and deduced its calculation formula.

在简要分析目前最典型的几种地震波旅行时计算方法(如有限差分法、线性插值法等)局限性的基础上，提出了一种基于非线性插值的地震波旅行时计算方法，并推导了其计算公式。

Presenting the calculating method of the space displacement model of skewed box girder, whit main ideas of: dispersing the skewed box girder into some skewed beam segments and further dividing those segments into some plate pieces according to their forms; describing the displacement functions in the plane of plate piece by assuming that the space displacements of any point in the joint line between the plate pieces are described by using Hermite interpolation functions and that two displacements in the plane of plate piece are linear in the cross direction; Using Hermite interpolation functions to describe the bending the displacement of the unit length transverse frame cutting longitudinal from the skew box girder segment; Finally, describing the space displacements of a point in the plate pieces by two displacements in the plane of the plate and one bending displacement of plate.

提出了斜交箱形梁空间位移场的计算方法：将斜交箱形梁沿纵向离散为若干斜梁段单元，依据箱梁的构成进一步将斜梁段划分为若干板段子单元；各板段联结线上任意点的位移按Hermite函数插值，假定各板段的面内位移沿其宽度方向线性变化，以描述各板段面内位移；沿斜交箱梁段的纵向截取单位长度横截面框架，框架各杆件空间位移按Hermite函数插值，以描述各板段面外位移；板段内任意点的空间位移最终以2个面内位移和1个面外位移描述。

The main controller is PLC programmable logic controller in the control system. A position control module, which has linear interpolation and circular interpolation of two axises, process shaping of flange seal-face and seal- groove. In order to operate inconveniently, the portable handling box was designed to operate the machine tool in a distance.

机床的控制系统采用PLC可编程控制器为主控制器，并带一个位置控制模块，它可实现两个轴的直线或圆弧插补功能，实现法兰端面和梯形槽的成形加工。

Some specific problems in connection with blade modeling, such as spanning characteristic mesh, interpolation of curve face modeling, precise presentation arc by second order NURBS curve, node interpolation algor...

深入探讨了在叶片构造过程中遇到的剖分网格确定、插值曲面构造、圆弧的二次NURBS曲线精确表示、NURBS曲线节点插入算法及其升降阶等关键性技术问题。

Secondly, the necessary preprocessing is done and then analyzes the spatial character. Thirdly, factures the geochemistry plots by using many spatial interpolation toward the Cu data. Finally, the paper estimates the validity and optimality of many models of spatial interpolation in the study area.

从元素自身的地球化学行为的角度，分析了铜元素的物理、化学及晶体化学性质、铜元素的自然分布与分配、铜元素的迁移形式与赋存状态、铜元素的地质演化与循环历史、元素的富集途径及铜元素的主要矿床类型特征等。

First, we study the optimization of the estimate mean-square error of the polynomial interpolation. We introduce a window shift concept, derive the optimal window shift, and propose the estimation method of the value under a given interpolation order.

首先，我们探讨多项式内插通道估计演算法的估计误差之最佳化，提出滤波器窗口漂移概念，在给定内插阶数的情况下，推得最佳漂移量的理论值与其值估计方法。

In order to improve the numerical stability during the solving of convection-dominated convection-diffusion problems, an upwinding local radial point interpolation method is proposed based on the local radial point interpolation method and the local upwinding weight function.

为提高对流扩散问题中对流项占优时的数值稳定性，采用局部上风式权函数，在局部径向基点插值无网格法基础上构建了上风式局部径向基点插值无网格法。

In order to deal with the numerical stability of convection dominated problems, using the local upwinding weight function, the upwinding local radial point interpolation method is proposed based on the local radial point interpolation method, and were then compared with those numerical results of the LRPIM.

为处理对流扩散问题中对流项占优时的数值稳定性问题，采用局部上风式权函数，在局部径向基点插值无网格法基础上构建了上风式局部径向基点插值无网格法。

By the improved algorithm of exploring iterative interpolation method, the pre-estimate formula in the form of 2-order differential equation have been replaced by pre-estimate formula in the form of 1-order differential equation, confirm the u monotony accession strictly. It could avoid the interpolation direction converse and oscillation.

算法采用改进的探索迭代法实现，用一阶差分预估器代替二阶差分预估位置点的偏差器，保证曲线参数u的严格单调增加，以消除插补方向反转和振荡现象。

This paper proposes a new kind of the circle arc interpolation ricursion algorithm of eight octants based on the principle of minimum deviation interpolation algortihm.

本文基于最小偏差插补算法的主要思路，提出了一种新的八卦限式的圆弧插补递推算法，其算法简单、插补精度高、执行速度快，可以方便地应用于各种两轴CNC系统。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。