根据接触悬挂系统中的接触线振动方程，推导了接触线应力的均值和方差的计算公式。
Vibration equations of contact wires were used to derive the formulae for calculation of mean and standard deviations of stresses.
三角洲量单位权方差的先验估值一般用经典菲列罗公式计算。
A prior estimate of unit weight variance is usually calculated by the classicalFerrelo's formula.
赫尔默特方差分量估计公式。
本文分析了自适应频率估计器的性能及频偏的影响，得出了自适应频率估计方差下限的公式及达到此下限的条件。
In this paper properties of AFE and influences of frequency bias are analyzed, and formula on estimated variance lower bound is derived, and condition which is required by the bound is got.
其次，提出了价格的凸分布模型，并给出了期望价格，价格的方差和期望收益的计算公式。
Second, a convex distribution model for the price is proposed. The formulae are given respectively for the expectation price, the variance of the price and the income.
详细推导了基于功率倒置阵列的线性约束最小方差（LCMV）算法及其递推公式，避免了矩阵求逆的复杂运算。
The linearly constrained minimum variance (LCMV) algorithm based on the power inversion array and its iterative formula are deduced in the paper, which avoids the complexities of matrix inversion.
为了计算最优加权，提出了局部估计误差互协方差的计算公式。
In order to compute the optimal weights, the formula of computing the cross-covariance among local filtering errors is presented.
文中着重分析了在函数模型正确的前提下，采用不正确的随机模型对方差一致性检验统计量的影响，并给出了具体的影响公式。
Supposed the functional model is correct, the influence on the statistic of test for uniform variance with incorrect stochastic model is analyzed in detail and its formula is derived.
另一方面又利用矩阵理论等推导出含有二次项的非线性函数的协方差传播公式的矩阵形式。
On the other hand, it also derives the covariance propagation formula of non-linear function containing quadratic term in matrix form using the matrix theory etc.
同时给出了任两个传感器之间的预报误差协方差阵的计算公式。
The computation formulas for the prediction error covariance matrix between any two subsystems are given.
假设标的股价服从不变方差弹性（CEV）模型下，推导出两值期权的定价公式。
Suppose that underlying asset follows Constant Elasticity of Variance model(CEV). We derive pricing formula of binary option.
提出了用于得到最优加权系数的局部滤波误差方差和协方差计算公式。
The formula of computing variance and covariance among local filtering errors is presented, which is applied to obtain the optimal weighting coefficients.
给出了由子矩阵组成的分块矩阵时，随机变量二次型的方差、协方差的计算公式。
The formulas to calculate the variance of a quadratic form with the matrix composed of submatrices are given in this paper.
为了计算最优加权，提出了局部滤波误差协方差阵的计算公式。
In order to compute the optimal weights, the formula of computing the covariance matrices among local filtering errors is presented.
为了计算最优加权，提出了局部估计误差方差阵和互协方差阵的计算公式。
In order to compute the optimal weights, the formulas of computing the local estimation error covariance and cross-covariance matrices are presented.
文中首先给出了杂交模式的裂纹尖端奇异单元的刚度矩阵，然后基于随机场的局部平均理论和一阶泰勒展开得到了应力强度因子均值和方差的计算公式。
The stiffness matrix of a hybrid crack-tip singular element is first derived, then by use of first-order Taylor expansion the mean and variance of stress intensity factors are formulated.
在系统具有正则无穷远极点和奇异无穷远极点的条件下，得到了系统状态向量的均值、方差阵及协方差阵的计算公式。
The state vectors expectation, variance and covariance matrices are given under the conditions of the systems with regular infinite extreme point and singular infinite extreme point.
方差-协方差分量估计公式等价性的进一步证明。
Further Broof on the Equivalence of the Formulas of Variance-covariance Component Estimation.
通过理论分析，给出了波达方向估计的一致性证明和估计方差的计算公式。
Subsequently the estimation consistency is proved, and the estimation variance is derived theoretically.
通过附有条件的间接平差模型进一步证明各类方差-协方差分量估计公式之间的等价性。
In this paper, through the model of parameter adjustment with constraints among the parameters, a further proof on the equivalence of the formulas of variance-covariance components is gives.
为了计算最优加权阵，提出了计算局部滤波误差互协方差阵的公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrices among local filtering errors, is presented.
为了计算最优加权，提出了状态估计误差方差阵和互协方差阵的计算公式。
The formulas of computing the variance and cross-covariance matrices among local state estimation errors are presented, which are applied to compute the optimal weights.
提出了教学效率的协方差分析分析模型，介绍了模型的参数估计及假设检验的计算公式和方法。
The paper puts forward covariance analysis model about teaching efficiency, introduces some calculation functions and methods on the point estimation and testing hypothesis about the model.
为了计算最优加权阵，提出了局部估计误差互协方差阵的计算公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrix between local estimation errors is presented.
同时，还对试验结果进行了方差分析和逐步回归，获得了适合于工程应用的经验公式。
Besides, the experimental results are proved by regression analysis so as to obtain the empiric formula applicable to engineering.
然后，推导了任两个局部估计误差之间的互协方差阵的计算公式。
Then we derive the computation formula for the cross-covariance matrix between any two local estimators.
锯木生产率、单位锯切功的方差分析结果，进一步采用逐步回归分析方法，得到含有主要影响因素的各锯切指标的回归公式，对链锯设计与计算有着重要意义。
On the cutting targets and found the variance analysis results that the cutting parameters may affect some cutting targets such as the cutting force, the cutting power, the cutting productivity and...
根据中心极限定理，以随机数为基础，设计了正态随机变量的结构公式，其数学期望和方差可任意给定。
On the basis of random numbers, The structure-formula of the normal random variable has been designed according to the limit theorem.
推导出了正态分布下大额赎回量的期望和方差计算公式。
The expectation and variance of LAR formula is given by inference under normal distribution.
推导出了正态分布下大额赎回量的期望和方差计算公式。
The expectation and variance of LAR formula is given by inference under normal distribution.
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