查询词典 biased sample

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。

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？

There is a good linear relationship between the resonant frequency and the biased-voltage when biased-voltage is in 10~40V.

在10~40V内，谐振频率与偏置电压之间呈良好的线性关系，谐振器的有载Q值为60~90。

The experiment result shows, when extra magnetic field B=0, and supply voltage VDS is constant, inequipotential potentials VHO of the nc-Si/c-Si heterojunction MAGFET are close to zero output with increasing absolute value of the gate biased voltage VGS. Adopting gate biased voltage to compensate inequipotential potentials, compared with extra compensation resistance method, could improve magnetic sensor sensitivity, when supply voltage VDS is -1.0 V, magnetic sensitivity can be improved by 18%.

实验结果表明，当外加磁场B=0时，工作电压VDS恒定时，随栅极偏置电压VGS 绝对值增加，纳米硅/单晶硅异质结MAGFET不等位电势VHO逐渐接近零位输出；采用栅极偏置电压进行不等位电势补偿较外加补偿电阻方法可以使磁传感器灵敏度得到提高，在工作电压VDS为-1.0 V时磁灵敏度约提高18%。

A new type of actuators called RAINBOW (Reduced And Internally Biased Oxide Wafer) was recently developed. It is stress biased and has an arc structure, which includes a reduced and an unreduced layer.

基於铁电陶瓷的RAINBOW元件是一种具有内部应力偏移，含有还原层，并有特殊结构的大位移铁电驱动器。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。