通过综合运用主成分分析和层次分析方法，建立系统综合评价的AHP变量加权主成分分析模型。
Using the methods of Principal Component Analysis (PCA) and the Analytical Hierarchy Process(AHP), the paper proposes the synthetic evaluating model of PCA with weighted variables by AHP.
随机变量的加权平均值是期望值。
The weighted mean of the random variable is the expected value.
3方差的专业定义是随机变量的二次中心矩，与期望值之差的平方的加权平均值。
The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.
通过采用线性加权法、分离部分控制变量法，以及在一定范围内穷举，将问题简化，进而给出模型的求解方法。
We simplify the problems by using the linear weighted method, separate technique of partial control variables, and enumerating in certain range, then give out the solving plan of the model.
利用最优反馈矩阵来加权模糊控制器的输入变量。
The optimal feedback matrix was used to weight the input variable of fuzzy controller.
在质量加权坐标系下用离散变量表示(DVR)方案研究了H2O基电子态2种特殊振动模式的振动光谱。
The vibrational spectra of two special patterns for H2O ground electronic state were investigated using discrete variable representation (DVR) scheme in mass-weighted coordinates.
将所有的研究的数据合成，对于分类变量效应指标为风险比，对于连续型变量效应指标为加权均数差，根据研究样本的大小来加权。
Data were pooled across studies, and relative risks for categorical outcomes and weighted mean differences for continuous outcomes, weighted according to study sample size, were calculated.
这种方法采用移动最小二乘函数来近似解变量，并且采用移动最小二乘近似函数的权函数作为加权残值法的权函数。
It used the moving least square approximation as a trial function, and used the weighted function of the moving least square approximation as a test function of the weighted residual method.
基于最优和极点配置方法，本文对多变量随机系统提出一种在线调节加权因子的极点配置自校正控制器。
For stochastic multivariable systems, this paper, based on both the optimal and the pole assignment strategies, presents a novel self-tuning controller with weighting factors adjusted on-line.
这几个指标除了农业产出之外，其它的指数都是分别运用因子分析法和加权法合成的综合变量。
Except the agricultural production, other indices are all comprehensive variables that were utilized by the factor analytic method and the method of weighting synthesis.
继而，选取时间变量作为权重，建立基于站点服务水平和路段服务水平的公交线路区段服务水平加权评价模型。
Thereby, the weighted service evaluation model in the segment level is established using the time as the weight, based on the service level at the stop and the service level in the section.
继而，选取时间变量作为权重，建立基于站点服务水平和路段服务水平的公交线路区段服务水平加权评价模型。
Thereby, the weighted service evaluation model in the segment level is established using the time as the weight, based on the service level at the stop and the service level in the section.
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