查询词典 estimation

The application of an algorithm based on weighted least squares estimation method measuring and computing parameters of synchronous machine is studied,these parameters can be directly obtained by repeatedly p...

针对参数辨识的收敛性和多值性问题，提出了一些有效的方法，如采用动态阻尼因子和动态增益矩阵，提高了参数辨识的精度和算法的稳定性。

Simulation results show that the proposed algorithm has better estimation accuracy and shorter computing time than the existing two algorithms.

实验结果表明所提出的算法与现有的两个算法相比，具有较高的估计精度和较短的计算时间。

In terms of computing time and accuracy of results, this method could provide a reference for optimization design and performance estimation.

从计算时间和准确性来说，这种方法能够为推力室的优化设计和性能估算提供参考。

We establish a new observation model of α-stable distribution for low altitude detection. It is very concernment that fractional lower-order statistics based detection and estimation robust approach for radar target signals, so as to perform optimal detection under constant probability of false alarm.

在不同的海况下，由于雷达波在波峰和波谷间的反射以及在波浪边缘的绕射等复杂电磁现象，使得雷达波不仅频谱形状不规则，而且反射单元的概率分布也超出常规，所以必须高度重视海杂波的特性研究，从中找出有价值的参数。

In this paper,an improved method of optical flow estimation is proposed under the condition of the basic constraint equation and the smooth constraint.

本文在基本约束方程和平滑性约束条件下，提出了一种改进的瞬时位置速度估计方法。

Then this paper introduces the definition of conditional random fields, the graph structure, potential functions, parameters estimation and probability computations.

进一步地，将条件随机场模型应用于中文命名实体识别任务，提出了适合于各类中文命名实体的特征模板，并通过实验进行验证，确定了有效特征。

We apply the kernel methods of regression functions and conditional density functions to obtain a series of as the estimators of . Then using Monte Carlo Analysis method , we can get the optimal choice of the unknown parametric that is . Examples illustrate the models and will show this estimation is effective.

应用回归函数核估计和条件密度函数的核估计方法估计未知量，将得到的一组估计值用Monte Carlo Analysis方法处理便得到最优的，并通过算例模拟讨论以上估计方法的优劣。

Based on the estimation of quantile regression, the empirical results show that the effects of globalization on wage inequality indeed vary in accordance with types of trade partners as well as the conditional distribution of wages.

根据对分位数回归的估算，全球化对工资不平等的影响的确受贸易伙伴类型以及工资的条件概率分布的影响。

Methods for feature space discretization based cluster algorithm and class conditional probability distribution estimation are proposed.

首先针对应用贝叶斯决策理论时难以估计类条件概率密度函数的问题，提出了特征空间离散化及相应的类条件概率分布的估计方法。

First, regarding the gray values in images as discrete-valued random variables makes it possible to make a much simpler estimation of conditional entropy.

首先，把图像的灰度值视为离散的随机变量，从而可以采用更为简单的方法估计条件熵。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。