Suppose the estimated duration of a task is 3 months, and the variance of the estimate is 1 month.
假设估算的任务持续时间是3个月，并且估计的方差是1 个月。
Statistical methods for combining the results of studies generally weight the influence of each study by the inverse of the variance for the estimated measure of effect.
合并研究结果的统计学方法通常采用待估效应测量值的方差的倒数来对每一个研究的影响进行加权。
Variance components estimated by MINQUE method can be used in significance test for linear contrasts of variety effects.
用MINQUE法估算各项方差分量，然后对品种效应的线性对比作显著性测验。
The threshold of each leaf is calculated through the variance of each and the estimated noise variance of the entire image.
通过每一叶节点以及整个图像的噪声的估计方差变化计算叶节点阈值。
The additive genetic variance of the same character, estimated from the covariance of half sibs, was 0. 9602.
从半同胞协方差估计出来的，同一性状的加性遗传方差为0.9602。
However, these methods are estimated according to sample variance and covariance estimators of returns.
然而，这些方法都是根据样本的变异数或报酬的共变异数估算的估计值。
Aim Using the variance matrix of estimated error, positional accuracy can be compared with different mixing together data, it has put forward a kind of basis for system location to select data.
目的通过估计误差方差阵，对多传感器组合导航系统中不同的融合数据进行定位精度比较，为系统定位提供选择数据的依据。
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.
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。
With frequency bias increasing, estimated bias and variance of adaptive frequency estimator (AFE) enlarge.
随着频偏的增大，自适应频率估计的偏差和方差也随之增大。
In most cases, the variance of the noise is unknown, so it needs to be estimated.
在大多数情况下，噪声的方差是未知的，需要对其进行估计。
It revealed that the product of the standard deviation of the estimated sampling variance and square root of the number of samples was a constant.
实验也证明，取样方差估计值的标准偏差与样本数目的平方根之积可近似为一常数。
Conclusion:In the condition of unrepeated measurement, the variability between interviewers can be estimated by fitting two level variance component model for normally distributed data.
结论：对于问卷项目的应答为连续性正态分布的数据，在拟合重复调查的情形下，可以采用两水平方差成份模型评价问卷项目应答的信度。
The reliability of parameter estimation was demonstrated by the variance analysis. The estimated indoor degradation coefficients of organic pollutants can be provided the important basic data for th…
采用一级反应动力学方程估计出这几种有机物的室内降解系数，并通过方差分析检验了参数估计的可靠性。
Particularly, parameters of model can be chosen to match empirically estimated mean, variance, skewness, and kurtosis of the stock return distribution. The model thus has the potential to produce…
特别地，模型的系数可选择得与股票收益分布的实际估计评均值、方差、挠度和峭度相匹配，因而就可能产生出与实际观测的股票收益分布较为一致的期权价格。
A radio communication apparatus wherein the throughput can be improved even if the variance of the estimated values of line quality is large because of a low estimation accuracy of the line quality.
提供了一种在信道质量的估计精度较低而造成信道质量的估计值的偏差较大时，也可以提高吞吐量的无线通信装置。
The reliability of parameter estimation was demonstrated by the variance analysis. The estimated indoor degradation coefficients of organic pollutants can be provided the important...
采用一级反应动力学方程估计出这几种有机物的室内降解系数，并通过方差分析检验了参数估计的可靠性。
The reliability of parameter estimation was demonstrated by the variance analysis. The estimated indoor degradation coefficients of organic pollutants can be provided the important...
采用一级反应动力学方程估计出这几种有机物的室内降解系数，并通过方差分析检验了参数估计的可靠性。
应用推荐