变量因子选择对参数估计和估测精度的影响分析。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
实时估计出系统噪声方差矩阵和量测噪声方差矩阵，对状态变量进行灰色聚类，并对滤波矩阵和增益矩阵进行实时自适应调整，计算出状态向量的递推估计值。
Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.
研究首次引入了包含股票价格的市场信息变量，并在判别模型表现时对估计样本和测试样本进行了区分。
The market information variables containing stock prices are introduced in our model for the first time. We divide samples into two groups: estimation and test samples.
结果：利用一组职业紧张调查数据例证了潜变量得分的估计方法，通过对职业紧张量表(OSI - R)测量结果分析，结果符合专业解释。
Results: Occupational stress survey data were utilized to exemplify the latent variable scores estimated method and the analysis results OSI-R coincided with professional interpretation.
拉普拉斯矩阵对研究图论之所以重要，是因为可以用其特征值来估计图的诸多不变量，如连通度、直径、带宽等等。
The study of Laplacian matrix is important for graphs 'study because we can estimate many invariants of g, such as connectedness, diameter, bandwidth.
软测量技术是通过间接方法实现对不易直接测量的过程变量进行估计。
Soft measurement technique is a method to estimate process Variables hard to measure directly through indirect method.
运用多变量混合摸型，加上说明不同队列间不均衡性的倾向评分，使用95%可信区间估计药物作用对死亡率的影响。
Multivariate mixed models incorporating a propensity score to account for imbalance among cohorts were used to estimate drug effects on mortality with associated 95% confidence intervals (95%CI).
最后分析了当测量变量有多组测量时对系统参数可估计性的影响，通过线性与非线性实例验证了分析结果的有效性。
The relationship between parameter estimability and the number of data sets is discussed. The effectiveness of the proposed analysis can be demonstrated by the results of linear and nonlinear systems.
人体体型数学模型对人体体型62个变量中的41个变量估计效果好，估计值与原始值的相关系数在0.75以上。
The mathematical model of human body can well predict the 41 variables in the 62 measurements, with the coefficient between prediction value and original one reaching more than 0.75.
仿射变换下的点模式匹配和参数估计是计算机视觉中的重要研究课题，其关键是寻找对仿射变换不变的不变量。
Matching and parameter estimation of two point-patterns under an affine transform is a very important research topic in the field of computer vision.
结果：利用一组职业紧张调查数据例证了潜变量得分的估计方法，通过对职业紧张量表（O SI -R） 测量结果分析，结果符合专业解释。
Results:Occupational stress survey data were utilized to exemplify the latent variable scores estimated method and the analysis results OSI-R coincided with professional interpretation. Con…
在均值已知的情况下，提出变点的截尾估计方法，以消除厚尾随机变量序列中较多“奇异”点对估计结果的影响；
We proposed a new method of truncating estimation when the means are known, which can weaken the influence of outliers.
但在把他们的估计中，对自变量的分布加上了很强的限制性条件。
The condition, which they imposed on the distribution of the regressor variable X in their construction of the estimators, is very restrictive.
然后将干扰模型中的“干扰项”作为状态变量增广到原系统的状态空间中；接着基于增广的状态空间模型设计线性卡尔曼滤波器实现对干扰状态的估计；
Then, augment the system state with the disturbance vector and linear Kalman filter was used to estimate the disturbance and its effect on the system output.
应用时间-空间信息对某区域化变量进行最优估计，以及应用时间-空间域的信息对空间分量及区域化因子进行最优估计。
Best estimation of regionalized variables by space-time information. 4 Best estimation of spatial components and regionalized factors by space-time information.
应用时间-空间信息对某区域化变量进行最优估计，以及应用时间-空间域的信息对空间分量及区域化因子进行最优估计。
Best estimation of regionalized variables by space-time information. 4 Best estimation of spatial components and regionalized factors by space-time information.
应用推荐