... estimated variance 估计方差 estimating equation 估计方程 estimation error 估计误差 ...
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variance of estimated variance 估计方差的方差
average estimated variance 平均估计方差
precision of estimated variance 方差估计精度
variability of estimated variance components 方差分量变异量
variance matrix of estimated error 估计误差方差阵
estimated family variance 估计家系方差
estimated residual variance 推定剩余方差
FATAFE realizes unbiased estimation and its estimated variance approaches to theoretical lower bound if only signal-to-noise ratio is not very low.
只要信噪比不甚低，频点自跟踪频率估计是无偏的且估计方差接近理论下限。
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。
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。
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