数值散射是辐射传递方程近似算法中最常见的离散误差。
Numerical scattering is one of the most common discretization errors in the numerical method for radiative transfer equation.
对离散误差资料进行曲线拟合,误差曲线质量对补偿器性能至关重要。
The compensator function depends directly on the quality of the error curve, which is decided by discrete error data through curve fitting.
本文以一个典型二维涡流场问题作为计算实例,分析了■有限元法求解线性涡流场时产生离散误差的主要因素。
This paper analyses some important factors which cause discretization error in linear eddy-current problems by the finite element method.
量子测量中精度的标准极限,源于与可计数离散粒子,而不是连续量相关的统计误差。
The standard limit on the precision with which a quantum measurement can be carried out is due to the statistical error associated with counting discrete particles rather than continuous quantities.
讨论了飞机离散点航迹误差的修正、插值算法以及时间同步播放控制问题。
The problems of the correction of track error of discrete dot and the emersion control of time synchronization are discussed.
给出该线性方程全离散的稳定性和误差估计。
Given the stability, error estimate of full discretization for the linear equation.
同时,对这种离散格式的截断误差给出了简单的数值分析。
In addition, a brief numerical analysis to the error of this discrete scheme is given.
阐述了有限元离散带来的误差和解决办法。
The error and solution bringing from finite element disperse are expatiated.
对于大变形问题,采用了多浮动坐标系的分段描述,有效地降低了离散化误差,提高了模型的精度。
About the large deformation description, a multi floating coordinate system is adopted. It can effectively reduce the error of discretization.
自由曲线的轮廓常用离散点来表示,而不是已知的数学方程,评定其轮廓度误差非常困难。
The profile of the random curve is expressed not by mathematical equation but by discrete points, which makes it very difficult to evaluate the profile error.
本文在一个不规则网路上离散拉普拉斯运算元的差分格式,不但能满足相容性及极值原理,而且还具有误差极少性质。
The paper gave disperse pattern of laplace function under in - uniform grid, which fulfills acceptance character and error maximization theory. it also has fulfills the character of extreme value.
本文对磨光函数的连续形式及离散形式给出了各阶导数的误差估计。
In this paper, error estimations on the derivatives of finite orders for continuous and discrete forms of smoothing functions, are given.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下,圆柱度误差评定的最小二乘数学模型。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
对五坐标曲面加工中由离散线性运动逼近理想刀具轨迹所引起的理论加工误差进行了较严格的分析。
The theoretical error in five axis NC machining, which is resulted from approximating the perfect continuous tool path with discrete linear segments, is strictly analyzed.
由于这个积分器使正常转折频率增加一倍,并使高频离散积分器误差减少到最低限度,所以它对高频应用是理想的。
This integrator is ideal for high-frequency applications because itdoubles the normal folding frequency and minimises high-frequency discrete integrator errors.
研究雾状流条件下,离散液相对涡街流量计测量误差的影响。
The measuring error of vortex street flowmeter was investigated in condition of mist flow.
事实上,由于任何数值离散方法均存在截断误差,将其作为等式约束是没有必要的。
In fact, any numerical discretization method has truncation error and there's no need to treat the difference equations as equality constraint.
计算机模拟实验结果显示了该网络较好地利用了离散傅立叶交换在结构和性能上的优点,在天线罩视线误差校正建模研究上很好的效果。
The simulation results show that this kind of DFT neural network can take the advantage of its structure and performance, and get a good result in the modeling of error correcting.
本文针对居民生活用水实施阶梯水价下双误差项的需求函数模型——离散连续选择模型进行了讨论,并给出了R包下的仿真算法和程序。
The paper discusses the two-error model demand function in ladder-like water pricing of residents living water usage—discrete continuous model, and proposes its algorithm and program in R package.
通过计算离散层数和调节混合因子,该算法可以对误差进行严格控制。
The error can be strictly controlled by computing the number of subdivision layers and adjusting the blending factor.
其收敛性的证明是依据其渐近扩散展开式,在边界层上得到的误差估计逼近其离散纵标方法的解。
Our proof of the convergence is based on an asymptotic diffusion expansion and requires error estimates on a matched boundary layer approximation to the solution of the discrete-ordinate method.
由于纯延迟离散系统仅存在延时的逆模型,因而对该系统进行自适应逆控制时,扰动消除会产生一定的延迟误差。
There only exists delay inversion model in pure-delay discrete system which causes delay error when adaptive inverse control is used for canceling noise.
模拟计算结果表明,该离散化误差不能忽略。
Simulated results show this discretization error cannot be neglected.
本文经过重新定义增广误差信号,给出了有延时情况下线性时不变离散时间单输入单输出被控对象的模型参考自适应控制系统的超稳定性设计方法。
This paper presents a hyperstable scheme for designing discrete model reference adaptive control system for lineartime-invariant SISO plant, based on a redefined augmented error signal.
提出一个面向曲面nc加工刀位计算的曲面离散基本单元模型及其误差控制方法。
This paper presents a new discrete model of NC path generation for free form surface machining.
给出了谱配置方法空间半离散格式的稳定性和误差估计。
The stability and convergence of spectral collocation method spatial semi-discretization are given.
本文提出对带有测量误差的离散型值点进行插补与圆弧拟合的方法。
This article is intended to provide a method for interposing and fitting a circular are for the discrete points having errors in measurement.
离散化的复数电压测量误差跟踪修正技术。
The error tracking correction technique of digital disperse complex number voltage measure.
在一个不规则网络上离散拉普拉斯算子的差分格式,不但能满足相容性及极值原理,而且还具有误差极小性质。
The paper gives disperse pattern of Laplace functor under in-uniform grid, which fulfills acceptance character and error minimum theory, extremes value principle.
讨论了离散贝叶斯分类算法之后,推导了离散贝叶斯分类器的分类误差估算公式。
The algorithm of discrete Bayes classifier is proposed. Then, formulas for estimating classifying error of Bayes classifier are deduced.
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