numerical estimate

英 [njuːˈmerɪkl ˈestɪmət] 美 [nuːˈmerɪkl ˈestɪmət]

网络  数值估计; 数值预测

化学



双语例句

  1. When the estimator is unbiased, the numerical estimate is frequently also called unbiased.
    当估计量无偏时,数字估计值也常叫做无偏的。
  2. Since the numerical integration algorithm can estimate concentrations within the area source, the user can enter any value for the minimum distance.
    对于面源范围内部的浓度,模式可以通过数值积分算法进行估算,所以用户可以输入任意小的距离。
  3. The numerical solutions of cut-off frequency in two dielectric layered waveguides by using boundary element method an error estimate of BEM to biharmonic equation
    求解平面双调和方程边界元法的误差分析
  4. Researchers will be able to combine mission data with numerical models to estimate global patterns of the exchange of carbon dioxide from the ocean and atmosphere.
    研究者将能够把测量数据与数据模型相结合来推测二氧化碳在海洋与大气之间交换的全球模式。
  5. Besides, the models constructed by this approach are rather simple, suitable estimate models for various applications can be created and it is easy to select appropriate estimate algorithm for satisfactory estimate quality, so that models based on numerical differentiation are robust estimate models.
    这种方法建立的模型结构简单,而且容易根据各种应用要求构造合适的估计模型和选择估计算法,是一种鲁棒估计模型。
  6. These models are not only direct for reservoir numerical simulation after upscale, but also can be used to estimate the favorable area for planning wells making use of 3D visualization technology.
    指出三维模型不仅可以粗化后提供给油藏数值模拟使用,而且可以利用三维可视化技术直观地判断布井的有利区。
  7. The paper used the combination technique of numerical computation and computer simulation to estimate the error ratio performance of MQAM system in the environment of noise, multi path fading intersymbol interference and general interference.
    采用数值计算与计算机模拟相结合的方法利用等效基带概念分析与模拟了MQAM系统在同时计及多径衰落码间干扰及一般干扰这一广义情况下的误码性能。
  8. And combine control mining method, surface subsidence preplan theory, mining landslide area disaster forecast and numerical simulation studied out controlling mining estimate measure.
    并结合控制开采方法、煤柱稳定性分析、地表沉陷预计、采动滑坡区灾害预测理论以及数值模拟确定了控制开采的评价方法。
  9. Instead, by using maximum likelihood estimation, a numerical method to estimate the extreme value distributions parameters is developed and this algorithm in Matlab is implemented.
    通过极大似然法估计了极值分布的参数,同时给出了求参数的数值解的算法,并通过Matlab程序实现了这一算法。
  10. With the development of numerical simulation, a new method is provided for the research and estimate of anchoring engineering.
    目前数值模拟技术的迅速发展,为锚固工程的评价和研究提供了一条新的途径。
  11. To overcome the problem mentioned above, this paper proposes two numerical approaches with ther error estimate expressions, which are proved true by actual computations in a DJS 030 computer.
    针对以上问题,本文提出两种算法,并给出其误差估计公式。又在DJS030计算机上通过实际计算验证了方法及其误差估算公式的正确性。
  12. Some of relatively mature numerical methods cannot reasonably estimate American options. Because Monte-Carlo simulation is a forward induction procedure and boundary of American options is free, Monte-Carlo simulation is unable to correctly value American options.
    一些比较成熟的数值计算方法对美式期权定价有局限性:如MonteCarlo模拟法是前导程序,而美式期权的边界是自由的,故MonteCarlo模拟法不能正确对其定价;
  13. Numerical Stability and Error Estimate of the Spline Fictitious Boundary Element Method
    样条虚边界元法的数值稳定性与误差估计
  14. A Numerical Estimate of the Drag Force Between the Solid Phase and the Fluid Phase in Two Phase Flows
    两相流动中流固两相耦合阻力的数值估计
  15. The method of numerical integral single weighted function can be used to estimate the Pearson Type ⅲ distribution and the estimation of values of different annual maximum diurnal precipitation return preiod in some of the cities in China was calculated.
    简要介绍用数值积分单权函数法推求皮尔逊Ⅲ型分布参数,计算我国部分城市的年最大日雨量不同重现期值。
  16. Finally, some numerical experiments were presented on the adapted meshes with a posteriori error estimate as criterion.
    最后,给出了以误差估算值为准则的自适应网格上的数值结果。
  17. A diagrammatic method and a numerical procedure presented in this paper provide efficient ways to estimate the capacity of local modifications for improving the structural dynamical responses and to optimize the locations and the quantities of modification.
    它们可以用来估计局部修改在改进结构动态响应方面所具有的能力,为选择合理的修改部位及修改量提供必要的数据。
  18. This article gives numerical value for the diverge degree of "an ideal" well-distributed, this numerical value is called as theory distribution estimate of this alignment.
    本文对这种理想均匀分布的偏离程度给出了一个数值估计,并把这一数值估计称为这个序列的理论分布测度。
  19. The Numerical Estimate for the Earthquake Cycle
    地震周期的数值估计
  20. An Numerical Prediction Estimate Method of Selecting Wall Material
    一种评价建筑围护结构选材的数值预测方法
  21. The exit temperature distribution by numerical method can be applied to estimate the combustor exit temperature to satisfied turbine request;
    利用数值手段得到燃烧室出口的温度分布以判断其能否满足透平叶片进口温度的要求是可行的;
  22. Using numerical simulation can estimate the parameters, which are not easy to measure from experiments, can improve reliability and reduce the cost.
    应用数值模拟的方法可以对实验难以测量的参数进行预估,而不需要大量的实验,应用数值模拟的方法来解决等离子点火器燃烧性能的分析和工程设计,有利于提高工作的可靠性和经济性。
  23. Numerical differentiation is applied to estimate the structural parameters of measurement systems.
    采用数值微分方法直接对测试系统的结构参数进行估计,可以直接得到测试系统的结构参数,具有简单明了的特点。
  24. The importance and the urgency of pursuing research on numerical simulation method and developing engineering semi-empirical method to estimate C_ ( Lmax) for a high lift configuration are explained.
    文中解释了研究高升力系统外型的数值模拟方法,以及同时发展能估算CLmax的工程半经验方法的重要性和迫切性。
  25. Current research on piles with stem enlargement is mainly focused on detection or numerical simulation, and lacks an estimate system and comprehensive acknowledgement to the whole bearing behaviour and regular pattern.
    目前对于扩径桩的研究主要集中在检测和数值模拟方面,尚缺少对于扩径桩整体工作性状和规律性的较全面的认识和评价体系。
  26. Numerical simulations show that we can obtain proper estimate of the location parameter through grey-model method on small sample size condition, then we can transfer the problem into the estimation for the two-parameter Weibull distribution.
    数值模拟中借助灰色模型法首先能在小样本情形下获得精度较高的位置参数估计值,由此可以将三参数Weibull分布的参数估汁转化为两参数Weibull分布的参数估计问题。
  27. For the environmental impact assessment of ocean engineering, it is recommended to adopt numerical stimulation to forecast and estimate the oceanic hydrology and hydrodynamics conditions.
    在海洋工程环境影响评价工作中,应采用数值模拟法进行海洋水文动力环境影响预测与评价。
  28. The numerical stability and the error estimate of the proposed method are also discussed in this thesis. 3.
    此外还对方法的数值稳定性和误差估计进行了探讨。
  29. By using theoretical numerical results and irritation algorithm in which time-frequency analysis regions are manually selected to estimate kernel characteristic parameters, NCT can accurately reflect Lamb waves signals whose instantaneous frequency is a nonlinear function of time.
    NCT分别采用数值解和手动选择时频分析区域的迭代算法实现核特征参数估计,能使Lamb波信号中频率随时间呈强烈非线性变化的成分得到更精确的反映。
  30. Therefore, this paper use time-varing Copula function to estimate the joint density function of ratios, which is the return of the spot and futures. And then use this joint density function with the numerical method to estimate the minimum lower partial moment hedge ratios.
    因此,本文提出使用具有随时间变化的相关系数Copula函数来估计现货与期货收益率的联合密度函数,然后使用这个联合密度函数、通过数值方法计算最小下偏矩套期保值比率的新方法。