步骤 2.5:验证选择性估计
接着建立问题解的连续依赖性估计。
Secondly, the estimate of continuous dependence of its solution is established.
其弱有界性估计是精确的。
软件可靠性估计是软件可靠性研究的重要问题之一。
Software reliability estimation is one of the important problems in software reliability investigation.
估计器是一种广泛应用于信号滤波的稳健性估计器。
M estimation is a kind of robust estimator which is used widely in signal filtering.
目的系统讨论三维不完备表的独立性估计和检验方法。
Objective To discuss methods on estimation and test of independent incomplete three-dimensional contingency table.
由此构成了该类隧道结构稳定可靠性估计的完整方法。
A practicable calculation method of the stability reliability degree of the tunnel structure was established.
因此基于该新型自适应天线,可以实现来波方向的鲁棒性估计。
Therefore a robust estimation of DOA can be achieved with this novel adaptive antenna.
在扰动方程的正则化求解问题中,解的收敛性估计是十分重要的。
In the regular solution problem of the perturbation equation, the solution of convergence order is important.
我们得到了如上所有方法的收敛性估计,恢复了解在内部的稳定性。
We have obtained the convergence estimates for all these regularization methods, and restored stability of the solutions in the inner.
如果有了准确的统计信息,那么查询优化器一般能够得出正确的选择性估计。
Given accurate statistics, the query optimizer generally comes up with correct selectivity estimates.
本文提出了一种用于电力系统概率的静态和动态安全性估计的综合性构想。
A comprehensive framework for probabilistic steady-state and dynamic security assessments is presented.
这个方法假设小尺寸液滴处于稳态下并不燃烧,因而对其重要性估计得过高。
This approach also gives undue importance to the small drop sizes, since it is assumed that they are never burned but always exist as in steady state.
综合可靠性估计为学术单元为0.95,并制作了一套综合的扫描电镜0.21。
The composite reliability estimate for the Academic module was 0.95 and produced a composite SEM of 0.21.
本文运用贝叶斯观点,讨论在产品的研制改进试验中,被试系统的可靠性估计问题。
The problem of estimating the reliability of a system which is undergoing development testing is considered from a Bayesian standpoint.
本报告主要包括以下内容: (1)渤海及其邻近地区的地震活动性与地震危险性估计;
This report mainly includes the following contents:(1) The seismicity and seismic risk assessment of the Bohai Sea area and its vicinity.
另外还提出一种新的对系数矩阵a分块的列分解策略,该策略基于每块的列相关性估计而得出。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
融合预报协方差矩阵的自适应调整和状态空间鲁棒性估计,给出辨识戴维南等值参数的新算法。
Based on the robust estimation in the state-space and the adaptive modification of prediction covariance matrix, a new algorithm was proposed to track Thevenin equivalent parameters.
以模糊集合理论为基础,提出了最小不确定度约束下的极大可能性估计准则、解算方法和迭代步骤。
Based on the theory of fuzzy set, the paper presents a new method of parameter estimation-maximum possibility estimation restricted by least uncertainty.
在阶段性地展示了建立此模型基本假定的过程后,给出了风险保费与预测值的可信性估计的简明公式。
After the procedure used to establish the basic assumptions for this model is shown, the concise formulas of credibility estimator for risk premium and prediction are given.
这样,大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
分析表明如果在一测试过程中存在一个或多个变点,那么变点是应该在创建一个软件可靠性估计模型时考虑进去的。
Our analysis suggests that if a change-point exists in a testing process, it should be considered in creating a software reliability estimation model.
对组件软件可靠性进行优化工作时,不仅需要最大化其可靠性估计值,同时还要最小化可靠性估计方差以及测试代价。
Optimizing the software components reliability, not only need to maximize the reliability of the estimates, but also need to minimize reliability estimation variance and testing costs.
本文通过地震活动与地球自转变化的关系,对帕米尔-杭爱山地区本世纪末至二十一世纪初的地震危险性作了趋势性估计。
Based on this characteristics, the author made a trend analysis on the seismic risk region along the Pamir -Hangai area for the time both of the end of this century and the next one.
有了新的优化框架,4.1发行版系列引入了大量的优化,例如改进的概要分析(profiling)支持和更准确的分支可能性估计。
With the new optimization framework in place, the 4.1 release series introduced a larger number of optimizations, such as improved profiling support and more accurate branch probability estimation.
为OpenNTF上的所有代码提供一个公共许可非常重要,这样公司就不需要对来自 OpenNTF各代码片段执行合法性估计。
A common license for all code on OpenNTF is important so that companies don't have to do a legal evaluation of each snippet of code from OpenNTF.
该方法利用阶跃输入信号获取非线性增益的强一致性估计;利用不同幅值的周期脉冲输入信号获取线性子系统脉冲响应函数的强一致性估计。
The nonlinear gain and the impulse response functions of linear subsystem be obtained by using the step-changeds and cyclic impulse with different amplitudes as input signals.
然后,这些信息被包括进来,用于帮助优化器在为那些符合条件的查询(这些查询不需要直接引用视图)的选择性估计和基数估计计算成本时做决定。
This information can then be included as part of the optimizer decision during costing for selectivity and cardinality estimates for qualified queries which do not need to reference the view directly.
它们仅针对字符串列进行收集,查询优化器用它们来提高“columnLIKE' %abc '”和“column LIKE ' % abc % '”类型谓词的选择性估计。
They are collected for string columns only, and they are used by the query optimizer to improve the selectivity estimates for predicates of the type "column LIKE '% ABC'" and "column LIKE '% ABC %'".
它们仅针对字符串列进行收集,查询优化器用它们来提高“columnLIKE' %abc '”和“column LIKE ' % abc % '”类型谓词的选择性估计。
They are collected for string columns only, and they are used by the query optimizer to improve the selectivity estimates for predicates of the type "column LIKE '% ABC'" and "column LIKE '% ABC %'".
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