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fitting factors
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  拟合因子
     On the basis of discussion of error distribution of non-linearity of pressure sensors, a new fitting method is presented. It introduces the taking-value method for three basic parameters (A, ω, φ)in error modification, i.e. fitting factors.
     在讨论了压力传感器非线性输出误差分布规律的基础上,提出了非线性拟合方法,介绍了误差修正即拟合因子中三个基本参量(A,ω,φ)的取值方法。
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  “fitting factors”译为未确定词的双语例句
     Based on the comprehensive fitting method and the analysis of the sensitivity characteristics of factors on the trajectory, a new fitting project has been succeeded, in which a single-elevation is used, the zero drag ooefficcient C and the relative pitch arm factor h/l are selected as the fitting factors, and the range X and the drift Zt as the fitting objects.
     基于综合符合思想,通过诸参数对于弹道影响敏感特性的分析,及诸符合方案的对比论证,提出了在一个射角下,以零阻力系数C_(xo)和相对静力臂系数h/l作为符合系数,以射程X和偏流Z为符合对象的符合方案;
短句来源
     The weighted coefficients of the sample field and the forecast field are divided by sample fitting factors. The formula of weight number of forecast field is given, and the combined model of mid-long term load forecast based on the 1-order and 2-order forecast effectiveness optimum principle is obtained.
     由拟合样本因子区分样本区和预测区的加权系数,给出预测区加权系数的公式,得出基于一阶和二阶有效度最优原则的中长期负荷组合预测模型。
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  相似匹配句对
     Arc Fitting
     圆弧拟合
短句来源
     On the Rule of Fitting
     论拟合法则
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  fitting factors
An exponentially fitted difference scheme with constant fitting factors is developed in a uniform mesh, which gives first-order uniform convergence in the sense of discrete maximum norm.
      


In this paper we constructed an exponentially fitted difference scheme for singular perturbation problem of hyperbolic-parabolic partial differential equation. We not only take a fitting factor in the equation, but also put one in the approximation of second initial condition. By means of the asymptotic solution of singular perturbation problem we proved the uniform convergence of this scheme with respect to the small parameter.

本文对双曲-抛物偏微分方程奇异摄动问题构造了一个指数型拟合差分格式。我们不仅在方程中加了一个拟合因子,而且在逼近第二个初始条件时也加了拟合因子。我们利用问题的渐近解证明了差分格式关于小参数的一致收敛性。

I present an optimum fitting solution of wave equation,which is an accurate nu- merical solution of wave equation that is different from difference solution. A new discretization method is proposed by analysing difference discretization method.The new discretization method derives a fitting equation from the overall fitting of a partial differential equation whereas difference discretization method forms differ- ence equation by performing difference approximation of each partial differential...

I present an optimum fitting solution of wave equation,which is an accurate nu- merical solution of wave equation that is different from difference solution. A new discretization method is proposed by analysing difference discretization method.The new discretization method derives a fitting equation from the overall fitting of a partial differential equation whereas difference discretization method forms differ- ence equation by performing difference approximation of each partial differential term in the equation.The difference approximation is called the partial discretization method, and the overall fitting the overall discretization method.Illustration analysis shows that this optimum fitting method applies to various difference migration methods and has the advantage of difference method and higher image accuracy,and that its fitting factor is adaptable to variations of multiple parameters such as sample,velocity,step size and so on.The new method is handy and easy to form different operation schemes.

本文给出一种有别于差分法的高精度的波动方程数值解法——波动方程的最佳拟合解法。文中通过对差分离散化方法的分析,提出一种新的离散化方法。这种新的离散化方法不再象差分法那样对方程中各偏微分项分别作差分近似来组成差分方程,而是对偏微分方程进行整体拟合得到拟合方程。文中称差分近似为局部离散化方法,称整体拟合为整体离散化方法。通过实例分析表明,最佳拟合法适用于各种差分偏移算法,不仅保留了差分法的优点,而且提高了成像精度,其拟合因子还能适应运算过程中多种参变量(如样点、速度、步长等)的变化。此算法灵活方便,易于组构各种运算格式。

Initial value problems and mixed initial-boundary value problems in hyperbolic partial differential equations with a small parameter are. considered.The boundary layer scheme is consttucted such that the difficulty in the methods for fitting factors or non-uniform schemes is avoided. Some numerical examples are also illustrated.

本文考虑了带小参数的双曲型偏微分方程的初值问题和初边值混合问题,建立了它们的边界层格式解法,从而避免了寻找拟合因子和加密网格时所遇到的困难.文中利用数值例子作了说明。

 
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