查询词典 efficient estimator

To be responsible for the preparation of on-time competitive technical and commercial tender with the information to be obtained from the Technical Department/Electrical Design section(tender designer and cost estimator).

负责利用技术部电气设计科（投标设计工程师及成本估算员）提供的信息，按时制作具有竞争力的技术及商务标书。

Especially, the combined ratio estimator of domain total is investigated under stratified complemental sampling when auxiliary information can be used.

及该方案在分层抽样下的推广，在有辅助信息可用时构造域总量的分层联合比估计，并给出其方差和方差估计公式，同时我们给出了模拟结果，从模拟结果可以看出，给出的方差估计是估计量方差的近似无偏估计。

A variance component estimator of Helmert type-based dynamic Kalman filtering is derived in this paper.

针对Kalman滤波模型推导了严密的Helmert方差分量估计公式。

From the known inverse moment estimator ra,Give confidence level l-a,the followingsystem can be establishedThus we obtain the confidence interval of the accelerated coefficient V-V0 =At last this article testified the validity of this method by an example.

的单调性，即可得到加速系数八产、V0二的置信水平为1一a的置信区间为，汤认。一份几叭司最后举例验证方法的有效性。

For the aforesaid reasons, in the second chapter ,this article estimates some parameters in the two-parameters Weibull distribution by the hybrid ALT method,and gives the inverse moment estimator for the shape parameter,at the same time the confidence interval of the accelerated coefficient is given .

基本研究问题：设应力水平V下产品的寿命服从两参数威布尔分布，则在混合应力加速寿命试验下产品寿命T的分布函数为：记T/t_0=X则X的分布函数为其中令λ=θ~m由上式得λ的极大似然估计又由(2.2.1)式知，是来自均值为λ的指数分布的次序统计量记则有又由引理2.2.1，若又、r，长，乞=1，2，…，n，则有(1)2 。。

The control system includes an estimator connectable to the machine for receiving signals representing the phase winding voltage and rotor position.

估计器可连接到所述电机以便接收代表所述相绕组电压和转子位置的信号。

Large confidence intervals is a price we must pay to get a consistent estimator of the return to education when we think educ is endogenous.

如果我们认为教育是内生的，而且想要得到一致的估计，过宽的置信区间将是我们所要付出的代价。

In this paper,we introduce the consistent adjusted least squares estimator and propose a relaxed consistent adjusted least squares method,which can be applied to more general relationship,for registration.

但是，如果由于不确定因素的影响，使得不能获得两幅影像的精确配准，那么同一位置上不同时间的特征差别将会被不同位置上的特征差别所代替[3]。

Obtain an estimator that is consistent whether or not the hypothesis is true

看一下 P 值，如果 P 小于比如说0.1，或者0.05，那么，说明 IV 回归与原来的回归显著不同，原来的方程的确有内生性问题导致的估计偏误。

After a power spectrum is constructed, empirical wavelet coefficients are used to detect the jump points in the function to obtain the strong consistent estimator of the position and number of the frequencies. Numerical simulations show this method is reliable.

根据它们的协方差函数可以表示为一个Fourier级数，而其Fourier系数可通过协方差函数的逆变换得到的特性，我们对于零均值的近周期相关序列构造了类似于周期图的函数，并构造其经验小波系数，利用频率处于此函数的尖点的特性，以及此性质在经验小波系数中的反映，来确定频率的个数和位置，所有的估计量都是强相合的，此外，数值模拟的结果表明，我们的方法是有效的。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。