点估计

diǎn gū jì
  • point estimation
点估计点估计
点估计[diǎn gū jì]
  1. 引入位置参数的三参数Weibull过程及其点估计方法

    Three-parameter Weibull process of using position element and point estimation

  2. 从这个后验分布,可以进行可靠性特征量的Bayes点估计和区间估计。

    According to the posterior distribution , Bayes point estimation and interval estimation is solved .

  3. R(0,θ)分布族参数的序贯点估计

    Sequential Estimation about R ( 0 ,θ) Families

  4. 研究ARCH过程的均值变点估计。

    This paper studies the estimating for mean change-point in ARCH models .

  5. Green函数的方法被广泛地运用于研究方程(组)解的逐点估计,特别的,如果方程的光滑解整体存在,用这一方法可以得到关于解的最佳估计结果。

    The method of Green function has been used to study pointwise estimates of solutions to all kinds of equations widely .

  6. 论述了均匀分布R(0,θ)中参数θ的序贯点估计。

    In this paper , the sequential estimation of the parameter θ about R ( 0 ,θ) families is studied .

  7. 简化Newton迭代的点估计和收敛域

    Point estimates and convergence domain on the modified Newton iteration

  8. 解线代数方程组的游动点估计量零方差MonteCarlo迭代格式

    A zero variance iteration scheme of collision estimator for solving linear algebraic equations by Monte Carlo method

  9. 采用加速寿命试验和点估计法获得了膜电阻的基本失效率λRT和布线与工艺基本失效率λC;

    By accelerated life test and point estimate method the basic failure rate λ RT and λ C are obtained .

  10. Newton类方法的点估计结果

    Point Estimated Results for Newton-like Methods

  11. SCRUM项目可以用标准的点估计函数。

    SCRUM projects can be estimated using standard function point estimating .

  12. 主要结论如下:1在计算VaR时用区间估计代替点估计更有意义。

    The main conclusion is as follows : 1.Instead of point estimate interval estimate may improve the effect of VaR .

  13. 运用这种方法对电子器件的失效率,λ平均无故障工作时间θ和可靠度R(t)进行了点估计和区间估计。

    With this method , the paper evaluates the rate of failure λ, mean time to failure θ and reliability function R ( t ) of the electronic parts .

  14. Hansen和Patrick方法的点估计

    Point estimates for Hansen and patrick 's method

  15. 结果表明σs,σb,ψ,δ服从正态分布,同时对各参数进行了点估计和区间估计。

    It is verified that the distributions of σ s , σ b , ψ, δ is normal . The point estimation and the region estimation of the parameters were also determined for each distribution .

  16. 在阶段k应用Bayes定理,得出系统可靠性的点估计、置信区间估计,并对评估结果进行任务周期修正;

    At stage k , Bayes method is used to get the failure rate of system , then the result is updated according to the duty cycle .

  17. 分析过程中介绍了威布尔分布的金属化电容器寿命数据处理方法和威布尔分布参数点估计的GLUE方法。

    The data processing method of metalized capacitor life expectancy and GLUE method of parameter point estimation of Weibull distribution are introduced in the course of analyzing .

  18. Halley迭代的点估计

    Point estimates for halley 's iteration

  19. 对ep压缩曲线进行一系列坐标变换及计算,得到slgp曲线,然后根据该曲线上转折点估计土的承载力。

    We can get S-lgp curve by transformation of coordinates to e-p compression curve , and then estimate the soil 's bearing capacity according to the turning points on the S-lgp curve .

  20. 本文是针对损伤失效率模型(TFR)模型就Weibull分布产品在步进应力加速寿命试验下研究了参数的点估计。

    This article gives the point estimation of parameters based on tampered failure rate model for Weibull distribution under step-stress accelerated life testing .

  21. Tchebycheff方法的点估计

    Tchebycheff 's Method Estimates From Data at One Point

  22. 综合运用迭代拟合法、相关系数法以及极大似然法,给出了三参数Weibull过程强度参数、形状参数以及位置参数的点估计方法。

    Iterative fitting , correlation coefficients method and maximum likelihood method were integrated to obtain the estimations of the scale , shape and position elements in the Weibull process .

  23. 对我国1976~2001年间实际GDP对贷款余额的弹性作出的点估计是0.4749,区间估计是[0.4635,0.4863]。

    In this paper , the elasticity of loan balance for real GDP during 1976 to 2001 in China is estimated to be 0.4749 with point estimation and [ 0.4635 , 0.4863 ] with interval estimation .

  24. 在水印检测之前,利用图像中稳定的SIFT(尺度不变特征变换)特征点估计几何失真参数,对可能失真的水印图像进行校正,从而可以准确地提取水印信息。

    Before watermarking detection , makes use of stable SIFT feature points of image to estimate geometric distortion factors and corrects watermarked image , then detects right watermarking messages .

  25. 本文还将提出采用分级Bayes方法对电器无失效数据进行可靠性特征量的点估计。为寻求无失效数据的区间估计算法,本文给出一种构造置信下限的经典方法。

    A Bayes method and a classic method have also been put forward in this paper , which are used to estimate the reliability characteristic parameter in case of the zero fail data .

  26. 文章对欧元/人民币、日元/人民币两种汇率进行了VaR的计算的实证分析,计算了VaR的点估计和区间估计,并比较了几种计算方法,得到了一些有意义的结果。

    In this paper VaR of European dollar and Japanese yen exchange rates are calculated , both point estimator and interval estimator are given . By comparing those methods , some significative results are found .

  27. 以上述的点估计为测试点,对各浓度处理后的不同天数的防治效果进行游程检测(MontecarloSig方法),随机性显著(p>0.05)。

    Using run-tests of the controlling effects on days of treatments by Monte Carlo Sig with cut values correspond - ing point estimations , the results suggested that data in groups were stochastic ( p > 0.05 ) .

  28. 给出了当前阶段和后续阶段产品可靠性的Bayes点估计和置信下限,分析了各阶段试验结果对最终产品可靠性估计的影响。

    Bayes point assessment and confidence lower limit on product reliability at current stage and later stage were presented , and the effect of every stage test results on reliability assessment of final product was analyzed .

  29. 低性状发生率下,QTL位置的估计区间长度加大,支持概率下降,点估计误差增加,其它的模型参数估计结果的误差方差同样呈增大趋势;

    As incident rate of threshold trait decreased , the QTL interval lengthened and support probability became small as well , and the MSE of all other model parameters augmented at the same time .

  30. 本文在对传统PERT/CPM网络规划方法分析的基础上,针对PERT三点估计在应用上的缺陷,引入TheoryofConstraint(TOC),并对PERT三点估计给出一种全新的解释。

    Based on the analysis of PERT / CPM , the Theory of Constraint ( TOC ) is introduced and a completely-new explanation to three-point estimation is given , which overcomes the shortage of traditional three-point estimation in PERT .