... 有偏压误差：biased error 有偏估计量：biased estimator 有内涂层干线管：internally coated line pipe ...
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nonlinear biased estimator 非线性有偏估计
Biased quadratic estimator 偏颇的二次式估计量
biased linear estimator 有偏线性估计
A new biased estimator so-called Ridge Type-Generalized Inverse (RG1) estimator is constructed after summing-up the historical and present condition of biased estimation theory in surveying data processing. The prosperities of RG1 estimator are studied especially by Pitman’s criteria.
通过对有偏估计理论在测量数据处理中的应用历史和现状进行总结和分析，构造了未知参数的一种新的有偏估计方法——岭型广义逆估计，对其性质特别是在Pitman准则下的若干性质进行了讨论；接下来构造了另一种新的有偏估计方法——部分根方估计，该估计的最大特点在于它是一种部分压缩估计。
参考来源 - 测量平差系统病态性的诊断与处理·2,447,543篇论文数据，部分数据来源于NoteExpress
The reasons there are two main expressions for population and sample" is that one is biased estimator and the other is not."
“母体”与“样本”之所以有两种表达公式，是因为一个是有偏估计，另一个则不是。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
Instead of using the homomorphic filter which is used to get rid of multiple noise and is a biased estimator, this algorithm translates speckle into locally stationary additive white noise.
该算法不同于有偏的去除乘性噪声的同态滤波算法，而是将噪声转化为局部平稳的加性白噪声。
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