查询词典 cubic spline

This paper presents the design of the software and hardware of the microcomputer aided DGF5 Peak Inductive Transduser data collecting system,analyzes the important error sources,works out the method of using cubic spline function to modify the system error,and puts forward the relative software.

介绍了用IBM－PC系列微机与DGF－5型电感测微仪构成的数据采集系统的软硬件设计，对系统的主要误差源进行了分析，提出对系统的综合误差用三次样条函数拟合补偿的方法，并设计了相应的软件。

In this paper, some approaches are made to adjust the track irregularity of integrated ballast bed by using the cubic spline for function curve fitting, and the method of how to reduce the maintenance under the premise of ensuring track profile smooth has been put forward.

用三次样条函数对调整整体道床轨面进行探讨，提出在保证轨面平顺的前提下，减小轨面调整作业量的方法。

The results show that the response of control is quick, and no over-control, the error can be negligible, and the design is simple. The interpolative control based on cubic spline interpolation function also can be used for sparse rules base, which has few knowledge of expert.

仿真结果表明，基于三次样条函数的插值控制，具有响应快，无超调，稳态误差极小等优点，并且设计简单，不需要过多专家经验就可以完成很好的控制，适用于稀疏规则库条件下的控制。

The transformation diagrams of super-cooled austenite are described by polynomial-like function and cubic spline function.

经验证该系统分析处理出的表面温度、表面热通量、介质换热系数在评定淬火介质的冷却性能上更科学、可靠。

Using cubic spline interpolation function, we construct a finite element model to approximate the nonlinear Schr〓dinger equation, and provide a complete discrete scheme with the conservation properties of mass and energy.

本章从应用角度出发，着重讨论孤波形式的解的计算，为此我们利用三次样条函数的插值基函数构造出非线性薛定谔方程的一个有限元离散模型，给出了具有保质量与能量守恒的全离散计算格式。

A high accuracy finite volume element method was given based on cubic spline interpolation for linear and nonlinear twopoint boundary value problems of ordinary differential equations. The computational scheme was derived and the property of positive type was discussed. Further we presented the convergence analysis and the scheme was proved having fourth order error estimate in discrete energy norm.

针对常微分方程线性和非线性两点边值问题，提出了基于三次样条插值的高精度有限体积元方法，给出了具体计算格式，讨论了格式所具有的优良性质--正型性，并应用能量方法给出了收敛性分析，证明了格式按照离散能量模具有四阶精度。

Taking the first boundary condition as an example, it used the second order derivative of the junctions to represent the cubic spline interpolation function, and solved the relative equations with chasing method.

以第1边界条件为例，用节点处二阶导数表示三次样条插值函数，用追赶法求解相关方程组。

This paper presents techniques for the numerical solution of problems in fluid mechanics using cubic spline collocation and some of their recent developments in this field.

本文给出了三次样条配置法在流体力学问题数值解中的应用以及在这一领域的新进展。

The paper induces the contents and methods of investigating passengers" data, researches passenger countering on footplate based on acceleration, dealings with the data by "move" with time and eliminates the variances of adjacent data by cubic spline interpolation, then obtains the passengers" arrival rate, get off rate and throughput in the whole period by programming, which gives pursuant to dispatching.

论文研究了公交数据的调查内容和方法，并探讨了基于压力变化率的踏板式乘客计数器的设计原理；对客流数据按时间进行"平移"处理，再用三次样条插值法来消除相邻统计时段之间的差异，并编程求出整个时间段内光滑的乘客到达率、下车率以及断面通过率，作为公交调度的依据。

Having considered the effect of wave number setting on the numerical calculation result, the cubic spline interpolation method has been used to infill data in the wave number domain. An inverse Fourier transform realized by Gaussian integral method converts the K domain solutions to electromagnetic fields in real space.

针对波数域中波数取值对模拟结果的影响，采用三次样条插值加密波数域数据，用高斯积分实现Fourier逆变换将波数域解变换为空间域电磁场。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。