查询词典 biased statistics

On the basis of diagnosis and measure of multicollinearity,a new biased estimator of unknown parameters called partial ridgeestimator is proposed for Gauss-Markov model.Its properties are discussed,and some important conclusions are drawn.The determination of biased parameter in the PR estimator is discussed too.

基于复共线性诊断和度量的结果，提出了测量平差Gauss-Markov模型参数的一个新的有偏估计，称为基于复共线性诊断和度量的部分岭估计，讨论了部分岭估计的优良性质，提出了岭参数的选取方法。

Though the almost unbiased estimator was still a biased estimator, it has smaller bias than corresponding biased estimator.In this paper, we first study the properties of the almost unbiased generalized ridge estimator and the almost unbiased generalized Liu estimator.

但有偏估计毕竟偏离参数的真值，因此学者们又提出了几乎无偏估计的概念，虽然几乎无偏估计仍然是有偏估计，但是它比相应的有偏估计有更小的偏度。

To overcome this problem, many authors proposed some biased estimators to alternate the least squared estimator. In some sense, these estimators improved the least squared estimator.However, the biased estimator was apart from the true value of parameter, so some statisticians proposed the notation of the almost unbiased estimator.

人们发现设计阵的"病态"是导致Stein现象的根源，为了克服共线性性，人们在文献中相继提出了许多有偏估计来替代最小二乘估计，这些估计从某种意义上讲，都改进了最小二乘估计。

The algorithm combines active learning, biased classification and incremental learning to model the small sample biased learning problem in relevance feedback process.

该算法将主动式学习、有偏分类和增量学习结合起来，对相关反馈过程中的小样本有偏学习问题进行建模。

Note 4: Assumes that the external PNP pass transistor has negligible B-E reverse-leakage current when the emitter is biased at 0V and the base is biased at 4.2V.

注4：假设的外部PNP晶体管已经成为微不足道的反向漏电流时，发射器是在0V和有偏见的基础是偏颇于4.2V。

Zero adjustment function,forward adjust is forward biased,reverse adjust is reverse biased.

零点调整功能，顺时针调整可以偏负，逆时针调整可以偏正。

First, ringing can drive voltage and current waveforms outside the forward biased and reverse biased safe operating areas of the power switches causing device reliability degradation or near instant failure of the power semiconductors and other components.

LCL-816G 传感器模型是由四个电阻元件组成的桥，需电压激励。将5V 激励电压加在传感器高端，施加900g 最大激励时，满刻度输出摆幅为±10mV 差分信号。该小差分信号被双运放仪表放大器放大。根据电路精度要求，选择一个12位 A/D 转换器。

The method includes steps: each point in sequence x with length L, i=0, 1, 2,apostrophe L-1 is served as a independent variable of k order polynomial; changing coefficient of polynomial to generate multiple sequence f with length L, where k is nonnegative integer; operation in polynomial is carried out in Galois Field GF, where Q=pm, p as a prime number, and m as nonnegative integer; assigning generated sequences to multiple sectors to set of create biased sequences for each sector; it is different in constant terms of polynomial, and identical to other coefficients of coefficients corresponding to sequence assigned to same sector; creating corresponding time - frequency pattern unit from biased sequences of the sector; repeating TFP unit with equal interval in frequency domain so as to obtain integrated TFP.

本发明涉及一种时频资源的分配方法，所述方法包括：把一个长度为L的序列{x，i＝0，1，2，…L-1}中的每一点作为一个k次多项式的自变量，改变多项式的系数生成多个长度为L的序列{f}，其中k是非负整数，多项式中的运算在伽罗华域GF中进行，其中Q＝p m ，p是一个素数，m是非负整数；把生成的序列分配给多个小区，生成各小区的偏置序列集合，其中分配给同一个小区的序列所对应的生成多项式的常数项不同，其他项的系数都相同；由所述小区的偏置序列生成对应的时频图案单元，将时频图案单元经过频域等间隔重复，得到完整的时频图案。

Construction of biased estimates for nonlinear ill-conditioned models are explored, and a simulation method of amending the deviations of nonlinear biased estimates is given here.

探索了非线性病态模型的有偏估计的构造，给出了非线性有偏估计偏差修正的仿真方法。

While Moulder and Valberg are biased by their personal financial considerations, are you not equally biased by your personal concern over EMF's deleterious impact?

虽然铸工和Valberg有偏见了他们的个人财政方面的考虑，你不也同样有偏见的个人关注电磁场的有害影响？

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！