Kalman filtering method is widely used in data adjustment of dynamic surveying system, whose unit variance is usually computed with innovation vector of parameters and residual vector of observations.
卡尔曼滤波方法已广泛应用于动态测量数据的处理，其单位权方差通常按新息向量和观测值的残差向量进行计算，增加了观测值残差向量的计算。
Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.
方差分量模型的随机效应的协方差为单位阵时《线性模型引论》已进行研究。
A prior estimate of unit weight variance is usually calculated by the classicalFerrelo's formula.
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。
The cause is that the unit weight estimation variance and the generality variance of the distribution don't equal with each other.
产生的原因在于单位权方差与分布的总体方差不相等。
The total of raw materials, labor and overhead costs is allocated to a single unit. It is mainly used in inventory valuation and margin variance analysis.
原材料、制造费用，人工及管理费用等总成本分摊至一个单位，主要用于库存估值及利润差异分析。
The result shows that adhesive content is vital, but unit press and temperature and time of hot press are minor to the variance of warp degrees.
研究表明：涂胶量的影响显著，热压温度、热压时间和热压压力的影响不显著。
The result shows that adhesive content is vital, but unit press and temperature and time of hot press are minor to the variance of warp degrees.
研究表明：涂胶量的影响显著，热压温度、热压时间和热压压力的影响不显著。
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