查询词典 range estimation

Estimation of model parameters is the starting point of estimation of reliability growth.

对可靠性增长试验中的数据进行处理，得到模型参数的估计是可靠性增长试验评估的一项主要工作。

Point Spread Function estimation,an essential part for image restoration,has no accurate estimation algorithm at present.

点扩展函数估计是图像复原的重要内容，目前还没有精确估计的算法。

Point estimation is the estimation of the mean, variance, and covariance of a random variable from sample data.

点估计是样本数据随机变化的方式，差异，协方差的估计。

Existing estimation methods,in our opinion,suffer from the shortcoming of point estimation of model parameters.

文献[1，2]较好地解决了单台系统可靠性增长模型参数的估计问题，文献[3，4]提出了两种不同的多台系统可靠性增长的模型参数估计方法。

An improved point estimation algorithm and a new Extended Kalman Filtering attitude estimation algorithm were put forward.

提出了一种改进的单点估计姿态求解算法和一种新的基于EKF姿态求解算法。

So in the point estimation, the Bayesian estimation can have better precision.

第二，在进行区间估计的时候，贝叶斯学派可以说某个参数落入某个区间的概率，而这在经典学派是不允许的。

This dissertation studies several kinds of instantaneous frequency estimation methods, pay much attention to the performance of instantaneous frequency estimation algorithm based on the peak of time-frequency distribution. It gives the theory and algorithm of polynomial Wigner-Ville distribution, analyzes its performance to the noise of the moving target in the air.

对常用的几种瞬时频率估计算法进行了研究，重点研究了基于时频分布峰值的瞬时频率估计算法的性能，给出了多项式Wigner-Ville分布的原理与算法，分析了在直升机定位这种特定情况下的有效性。

It establishes the prior information, according to historical information or the design experiences and the posterior distribution of the parameters on the basis of sample data, by which we can do point estimation or interval estimation, predict the future trend.

首先，作为可靠性评估的基础性工作，本文提出了贝叶斯预测模型用于配网元件原始参数的评估，引入由历史资料或设计经验形成的先验信息，并结合样本数据形成被估参数的后验分布；在此基础上进行点估计或区间估计，就可以对未来的变化趋势做出预测。

The speed estimation without speed sensor is an important trend of modern AC drive. This thesis has probed several primary algorithm of speed estimation and analyzed emphatically the algorithm of speed estimate based on model reference adaptive system. The results of simulation prove its feasibility.

无速度传感器转速估计是现代交流传动研究的一个重要方向，本文在探讨了几种主要的转速估计方法之后，着重分析了基于模型参考自适应系统的速度辨识算法，并通过仿真证明了该方法的可行性。

We use β likelihood estimation instead of maximum likelihood estimation to estimate the parameters of data's probability distribution function (modeled by Gaussian mixture models).

在确定数据所服从分布的密度函数的参数时，使用β似然估计来代替原模型中的最大似然估计。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。