查询词典 inconsistent estimator

Consistency of an estimator is an important property, but it alone does not allow us to perform statistical inference.

估计量的一致性是一条重要性质，但我们并不能只靠它来进行统计推断。

Moreover, an Adaptive RM algorithm is proposed to adjust RM estimator by steepest descent method.

该运算复杂度远低于现有的盲信道估计搜索算法，并且适用于信道阶数较大、搜索算法不能处理的情况。

The signal components of interest in the interference frequency are also sunk while eliminating narrow band interference in direct sequence spread spectrum system by conventional NBI suppression techniques based on the estimator/subtracter in time domain, so the signal of interest is damnified inevitably.

传统的基于时域估计/相减的直接序列扩频系统窄带干扰抑制技术在对干扰陷波的同时，也将干扰频率处的信号分量陷去，不可避免地对有用信号产生损伤。

Firstly, the performances of linear and nonlinear algorithms based on interference estimator/subtracter are compared. Secondly, a novel interference suppression algorithm based on subspace tracking is proposed for the tone interference model. Finally, the stability performance of the transform domain normalized least mean square adaptively implementing structure of minimum bit error ratio receiver is analyzed.

总结和比较了基于AR干扰模型的各种干扰估计抵消算法性能；从音调干扰模型出发，提出一种新的基于子空间跟踪的时域干扰抑制技术；讨论了基于低速数字干扰等效"虚拟"多用户干扰模型的最小误码率接收机的变换域归一化最小均方自适应实现结构及其稳态性能。

We can find the exact credibility estimator of risk premium under the symmetric loss function.

本文引入了对称损失函数，并求得基于该损失函数的确切可信性估计。

Non-symmetric kernel density estimation is first used for life-table graduation in order to solve boundary bais of symmetric kernel used in the standard kernel density estimator,and compare the symmetric kernel graduation with non-symmetric kernel graduation and obtain the satisfied result.

针对以地称核修匀方法存在着边界偏差这种现象，将非对称核密度估计用于生命表数据修匀中，提出了非对称核修匀方法，并与对称核修匀方法进行比较，得到了令人满意的结果，从而使核修匀方法得到了进一步的推广。

With the theory of hypothesis test, the sine spectral estimator can be used to detect the harmonics and to estimate the parameters exactly.

利用以上推导的多正弦窗谱分析方法提出了一种检测色噪声背景中的多频信号的测量方法。

In this paper a Nonlinear Variable Dimension Estimator is proposed for tracking maneuvering spacecraft. Two process models were incorporated by the Unscented Kalman Filter to account for the dynamic uncertainties of the target of interest: a nonmaneuvering model based on the two body problem and a maneuvering model taking the forced acceleration as the unknown system input to be estimated.

当飞行器处于无机动的巡航状态时，无色卡尔曼滤波器使用常规的二体问题模型描述其运动规律，而当飞行器被认为开始机动后，滤波器将扩展系统的状态空间，将机动加速度作为状态变量进行估计，从而增加了模型的适应性。

When the estimator is unbiased, the numerical estimate is frequently also called unbiased.

当估计量无偏时，数字估计值也常叫做无偏的。

Ui is not observable, but we can find an unbiased estimator for ui.

ui 是不可观测的，但我们能够找到一个ui的无偏

Anna: No, I've got a hangover.

不是，我昨晚宿醉了。

We head into the mountains in Su's new Land Cruiser, stop for lunch at a scenic restaurant and then hang around drinking beer and eating fruit as two of his employees attempt to lure the birds with a tape recording of the fowl's mating call.

我们坐上苏的巡逻车向山顶出发，在一家风景优美的餐馆吃了中饭。然后我们喝着啤酒吃着水果四处逛。