unbiased estimate
无偏估计：在统计学中
常用释义
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基本释义
- 无偏估计：在统计学中，无偏估计是指对某一参数进行估计时，估计量的期望值等于该参数的真实值。
例句
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1·The uniformly minimum varia-nce unbiased estimate (UMVU estimate) of hitting probability has been given.文中给出了一致最小方差无偏估计(UMVU估计)。
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2·Subspace information criterion is a new criterion for model selection, it gives an unbiased estimate for the generalization error under some assumptions.指出子空间信息准则是模型选择的一种新准则，它在一些假设条件下，给出推广误差的一种无偏估计。
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3·On the basis the parameters are separated for the biased estimate by means of partial prior knowledge, and unbiased estimates of all parameters to be evaluated are obtained.在此基础上，用部分验前知识，进一步对该有偏估计作了参数分离，从而得到全部待估参数的无偏估计。
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4·The approximate lower confidence bound for the reliability of the component is obtained by using Best Linear Unbiased Estimate and Best Linear Invariant Estimate for parameters.利用参数的最佳线性无偏估计量及最佳线性不变估计量，估计出可靠度的近似置信下限。
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5·Fair value, also called fair price is a concept used in accounting and economics, defined as a rational and unbiased estimate of the potential market price of a good, service, or asset.公允价值，又称公平价格，这一理念被应用于会计和经济学中。其定义是对某一种商品，某一项服务或某一宗资产潜在市场价格的一种理性的，不加偏见的预判。
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6·We want an estimate of the proportion of oil which the blindfold, mill-turning, unbiased critic can squeeze out of you.我们要的是估计一下，蒙着眼睛、转动着磨盘、不偏不倚的批评家能从你身上榨出多少油水。
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7·The results indicated that it is unbiased to estimate basal area of stand but inefficient when estimating stems per hectare by point sampling.结果表明：点抽样估计林分断面积是无偏的，而估计林分每公顷株数效率不高。
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8·The linear unbiased minimum variance estimate and the optimally weighted least squares estimate are two of the most popular estimation methods for a linear model.线性无偏最小方差估计与最优加权最小二乘估计是线性模型下两种最常用的估计方法。
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9·The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。
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10·In order to get unbiased parameter estimate, a prefiltering method is proposed.为了得到无偏的参数估计，本文提出一种预滤波方法。