质量统计是不可靠度的矩估计的严格增加函数。
The quality statistic is a monotonous function of a method of moments estimator of the unreliability.
数值模拟表明条件矩估计优于渐进极大似然估计。
The simulation indicates that the condition moment estimation is more accurate than the convergence maximum likelihood estimation.
讨论了指数分布场合下序进应力加速寿命试验的矩估计问题。
This paper presents moment estimation of the progressive stress accelerated life testing under exponential distribution censored samples.
在小样本的情况下,局部矩估计可以给出参数较理想的区间估计。
Second, the local moment estimation may give the more ideal interval estimation to the parameter under small sampling condition.
对极值指数之矩估计量作了进一步的推广,并证明了其强、弱相合性。
The moment estimators are extended and their strong and weak consistency are proved.
代入最优阀值的渐近均方误差为我们提供了形状参数矩估计阶的选择依据。
Generation into the optimal threshold AMSE (asymptotic mean squared error) provide options for moment estimates order of shape parameter.
最后根据对前面过程的研究得到了推广矩估计量的平滑估计量的渐近分布。
Finally, the asymptotical distribution of the smoothing estimator related to the extended moment estimator is derived by the study of process before.
最后,用两个数字实例对矩估计法和非线性最小平方估计法加以具体的说明。
Finally, two numerical examples are given to illustrate the methods of moments estimation and the nonlinear least squares estimation.
因此得到了推广矩估计量的渐近分布,于是证明了推广估计量的渐近正态性。
Then we derive the asymptotical distribution of the extended moment estimator and prove its asymptotically normality.
对指数分布下的双截尾数据和分段数据,给出了其参数矩估计的一种新的方法。
A new method of moment parameter estimation parameter is given by double side censored data and interval data in the exponential distribution.
基于极限状态函数矩估计的失效概率计算,提出一种新的可靠性灵敏度分析方法。
Based on the moment estimation of limit state function for calculation of failure probability, a new reliability sensitivity analysis method is presented.
针对瑞利分布,在全样本场合下给出了参数的矩估计、极大似然估计和区间估计。
For the Rayleigh distribution, the moment estimate; the maximum likelihood estimate and the interval estimate of the parameter are given based on the full sample.
本文给出了总体方差矩估计检验的样本崩溃点,并分析了该样本崩溃点的渐近正态性。
In this paper, We give the sample breakdown point of a test for moment estimation of population variance and analyze the asymptotically normal characteristic of the sample breakdown point.
本文讨论的是脉冲多普勒气象雷达信号处理技术,重点研究了谱矩估计和解模糊算法。
This thesis discusses the signal processing methods of Pulse Doppler (PD) weather radar, mainly studying Spectral Moments (SM) estimators and Range-Velocity (RV) ambiguity resolution methods.
在分析几种常用的气象回波谱矩估计算法的基础上,提出了一种改进的频域估计算法。
Then we propose an improved spectral processing algorithm based on comprehensive analysis of several commonly used SM estimators.
利用局部矩的概念,得到了关于局部矩估计的两个结论:一,局部矩估计具有强相合性;
Two results of the local moment estimation are obtained by using the concept of local moment. First , the local moment estimation has consistency.
使用非参数估计方法给出条件密度和条件均值的估计,在此基础上给出参数的广义矩估计。
The conditional density and the conditional mean are estimated by nonparametric method. Then the estimator of the parameter is proposed by the generalized method of moments.
通过对正态的名义变量的等级量化,用矩估计法给出了一个计算多系列相关系数的一般公式。
The present paper presents a general formula of calculating multiple-series relevant coefficient with the method of matric estimation through evaluation of the nominal variables.
若以均方误差作度量估计优劣的标准,模拟显示当误差相关程度较高时,新估计优于文献中常见的矩估计。
Our simulation results show that for high errors correlation case, new estimate is superior over the moment estimate appeared in literature under mean square error criterion.
本文重点讨论了广义矩估计法、马尔可夫链蒙特卡罗方法和有效矩估计法这三种各具特点的随机波动模型的参数估计方法。
In this article, three estimation methods, GMM, MCMC and EMM are studied. GMM is one of the earliest methods used in SV model and its character is simple;
本文利用高阶矩的性质,提出一种改进的基于双谱估计的瞬态信号重构算法。
This paper presents a modified estimation algorithm for transient signal reconstruction based on bispectrum.
目的研究部分线性自回归模型中误差矩的估计。
Aim to study the estimates of error moments in partly linear autoregressive models.
本文引进了局部分布、局部矩、局部矩法估计、样本局部矩和局部分布的矩确定等概念。
In this paper, some new concepts on the local moment, local distribution and the method of the local moment estimation are proposed.
对其中的参数分别用极大似然法和改进的矩法进行了估计。
The distribution parameters have been estimated with either the maximum likelihood method or a modified moment method.
在此基础上提出一种基于线性矩法的熵估计方法(POMELM)。
A new parameter estimation method (POMELM) based on POME and L-moment is proposed in the thesis.
估计了一般黎曼流形上的布朗运动关于球面击中时的各阶矩。
Estimations of the moments of the hitting time by Brownian motions on general Riemannian manifolds are also obtained.
本文讨论母体原点矩的线性有偏估计问题。
The problem for linear biased estimation of the population origin moment is discussed in this paper.
利用基带数据的高阶矩特性,可以获得渐近无偏估计。
An unbiased estimator can be acquired through high order moments of received data.
在历史洪水存在不确定性情况下,以概率权重矩法估计的参数稳健性优于优化适线法。
Moreover, under the situation of uncertainties in large historical flood, the quantities estimated by probability weighted moments may be more robust than those by a optimal curve fitting method.
在历史洪水存在不确定性情况下,以概率权重矩法估计的参数稳健性优于优化适线法。
Moreover, under the situation of uncertainties in large historical flood, the quantities estimated by probability weighted moments may be more robust than those by a optimal curve fitting method.
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