differential approximation
英 [ˌdɪfəˈrenʃl əˌprɒksɪˈmeɪʃn]
美 [ˌdɪfəˈrenʃl əˌprɑːksɪˈmeɪʃn]
微分逼近
双语例句
- At present the numerical methods of partial differential equations are mainly based on grid approximation, such as finite difference method, finite element method and so on.
目前，求解偏微分方程的数值解法主要还是基于网格的近似，比如有限差分、有限元等等。 - So the absolute differential cross sections of e-Ar scattering are calculated with some different potential models by applying the Second-order Born approximation theory, respectively. And the calculation results are compared with experiments.
接下来，利用二阶玻恩近似方法，计算了不同原子势模型下激光场中电子被氩原子散射的散射截面并与相关实验进行了比较。 - This paper proposed a new algorithm for image restoration based on spatial continuity and differential approximation.
文中提出了一种基于微分近似、利用图像的空间连续性进行图像修复的算法。 - All differential cross sections ( DCS), partial wave cross sections ( PCS) and total scattering cross sections ( TCS) have been achieved by using close-coupling approximation method to calculate the three systems, and results above have also been discussed and analyzed.
用密耦近似方法对He-HF、He-HCl和He-HBr三个碰撞体系进行计算，得出了各种微分散射截面、分波截面和总散射截面，并将计算结果进行讨论和分析。 - The differential interference angle of Λ-Related Quantum Interference of 1 Π-state diatom was presented to measure the degree of coherence, by using the first order Born approximation of time-dependent perturbation theory.
作者文运用含时微扰的一级波恩近似理论，提出了衡量干涉程度的1П态双原子分子中关于∧量子干涉的微分干涉角。 - In order to test a glass-shell measurement based on the Linear Variable Differential Transformer ( LVDT), the sphere surface fitting is done with least square approximation, and its corresponding square surface is founded with its radius of curvature.
为估计一种基于线性可变差动传感器（LVDT）玻壳测试系统的质量，用最小二乘法对测试曲面进行球面拟合，得到相对应的玻壳曲面。 - Then the differential and partial scattering cross sections for collisions between He atoms and HCl molecules have been calculated by using CC ( Close_Coupling) approximation method. Finally, the law governing the changes of the partial scattering cross sections has been given.
然后采用CC近似方法计算了He-HCl碰撞体系的微分散射截面和分波散射截面，并总结了分波散射截面的变化规律。 - Under the pro-per assumptions, using the method of composite expand and the differential inequalities theory, we obtain the existence and a higher order approximation of the solution.
在适当的假设下，利用复合展开法和微分不等式技巧，我们获得所述问题的解的存在性和高阶渐近估计。 - Based on the assumption of long thickness-shear waves and thickness-shear approximation, the nonlinear equation of thickness-shear modes has been transformed into an ordinary differential equation depends on time by Galerkin approximation.
基于长厚度剪切波假设和厚度剪切近似理论，本文利用伽辽金法将厚度剪切振动的非线性控制方程转化为关于时间变量的常微分方程。 - A linear multi step fuzzy logical system for identifying unknown dynamic systems described by ordinary differential equations is presented. The fuzzy system is constructed according to the linear multi step approximation method for solving ordinary differential equations.
根据求解常微分方程的线性多步逼近方法构造了线性多步法模糊逻辑系统以辨识由常微分方程所描述的未知动态系统。