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- The result shows that the stability of N-P test of change point is not ideal. 结果显示,转点的N-P检验稳定性不很理想。
- In this paper, We study the point estimation of linear failure rate model under censored life test. 该文研究了在定数截尾样本下线性失效率模型中参数的点估计问题。
- On the basis o f the result,reliability point estimation and lower confidence bo. 在此基础上得到最终研制阶段可靠性点估计和可靠性置信下限。
- SUBJECT TERMS Lognormal distribution,Normal distribution,+ Environment factor,Point estimation,Interval estimation. 王炳兴,男,1965年12月生,硕士,副教授,(310035)杭州商学院数学教研室。
- In this paper, we study the nonparametric statistical inference for one distribution change point. 摘要本文研究了连续分布函数变点的非参数统计推断问题。
- The statistics of standard deviations, coefficients of variance and outliers were evaluated at each point estimation to observe the measuring ranges of m. c. meters. 在每一点测定计算其标准差,变异系数以决定其适用量测范围。
- Based on these coefficients, the improved BIC algorithm was employed to decide which point was the voice change point of speakers. 在此基础上,使用改进型BIC改变点检测算法检测说话人改变点。
- The change point problem in the mean of a sequence of independent normal random variables is considered using CUSUM methods. 摘要运用累积和CUSUM的方法研究了独立正态随机变量序列均值变点问题。
- Hypersomnia and personality changes point toward the brain. |嗜睡和个性影响着大脑.
- In this paper,the existence of contagion was tested by the change point testing of quantile regression model,and the contagious degree was given simultaneously. 本文应用分位点回归模型的变点检测,检验了传染效应的存在性,并给出了传染程度大小的一种度量方法。
- The paper deals with the change point of the mean and variance of a normal distribution.The CUSUM estimators of the locations of the change point are presented. 摘要文章讨论了正态分布中均值与方差变点问题,给出了变点位置的CUSUM型估计,证明了此估计是真实变点位置的强相合估计;
- For dynamic response sensitivity analysis of stochastic structures under random excitation, a new dynamic sensitivity assessment method is presented on the basis of the point estimation method. 对于随机激励下随机结构动力响应的灵敏度分析问题,提出基于点估计法的随机结构随机动力响应灵敏度分析方法。
- Based on the embedding theorem of fuzzy sets, we consider a sort of parameter family for the distribution of imprecise data and propose the corresponding point estimation approach. 摘要基于模糊集的嵌入定理,对非精确数据的分布提出一种统计参数族,并给出相应的点估计方法。
- There have been a great number of studies in estimating VaR.Most of which are focused on the point estimation of VaR. 在有关风险值之相关文献上,虽有许多的论文探讨风险值的估计,不过却多集中在风险值之点估计上。
- SCRUM projects can be estimated using standard function point estimating. SCRUM项目可以用标准的点估计函数。
- The theoretic calculation shows the analysis mothed of wavelet packet not only can confirm the abrupt change point of the signal, but alse can confirm the fault degree and time in all frequency spectrum. 理论计算表明,应用小波包分析技术不仅可以确定信号的突变点,而且可以在全频范围内确定信号的突变发生的时间及程度。
- This paper also introduces a method using the gradient change points of vertical sections for the virtual transponder to realize single point locating. 文中还探讨了应用纵断面变坡点作为虚拟查询应答器实现单点定位的方法。
- By using Mexican-hat wavelet and Haar wavelet transform,the abrupt change points of Chinese temperature in the last 120 years are discussed. 用墨西哥帽小波和哈尔小波函数分析了我国气温变化的突变点位置 ,并用气温序列的 5 a滑动平均序列计算了信噪比 (S/ N) ,进一步验证了突变点的位置。
- From stability tests for mean annual runoff at Lijin gauge station, a step trend was detected and the most significant change points were obtained. 至于1986年突变点的发现,目前还不完全清楚其原因,最可能的原因是气候变化和上游过度的用水。
- Theory of point estimation e. L. Lehmann 点估计理论