基于系统可估计性定义,本文根据有限测量信息的参数估计问题特点,提出了系统的参数可估计性定义;
The definition of parameter estimability is proposed for parameter estimation problem with finite measurement information based on the definition of system estimability.
最后分析了当测量变量有多组测量时对系统参数可估计性的影响,通过线性与非线性实例验证了分析结果的有效性。
The relationship between parameter estimability and the number of data sets is discussed. The effectiveness of the proposed analysis can be demonstrated by the results of linear and nonlinear systems.
Mayank的上一篇文章“使用LinuxLiveCD评估系统的安全性”介绍了LiveCD,还介绍了一些可帮助您评估计算机系统安全性的工具。
Mayank's previous article "assess system security using a Linux LiveCD" looked at LiveCDs that come with tools to help you assess your computer's security.
这种所谓的前瞻性研究可记录到实际的使用手机时间,比凭记忆估计得到的使用手机时间结果更准确。
This kind of study, called a prospective study, is considered more accurate because it does not require people to remember their cell phone use later but tracks it in real time.
这些结果能被用来研究共轭调和函数的可积性并且估计它们的积分。
These results can be used to study the integrability of conjugate harmonic functions and estimate the integrals for them.
据和记黄埔医药估计,美国有上百万病人感染肠道疾病。这些肠道疾病可引发腹痛、发烧、浑身乏力、非自愿性体重减轻和溃疡等一系列症状。
Hutchison estimates that bowel diseases, which cause a range of symptoms including abdominal pain, fever, fatigue, unintentional weight loss and ulcers, affect one million patients in the U. s.
并通过直接估计椭圆参数的广义本征分析技术,进一步提高椭圆的可检测性和拟合精度。
The generalized eigen analysis is employed to directly and effectively estimate the ellipse parameter vector. The detectability and fitting accuracy are significantly improved.
最后,在鲁棒性和可核查的假设作出的不同,有一个连接到自己的估计,这两类误差。
Finally, depending on the robustness and verifiability of the assumptions made, there is a margin of error attached to those two types of estimate themselves.
利用湿度变化在时间上的相关性,吾人可预期土壤湿度的估计与预测是可以达到一相当的准确度。
By making use of the temporal correlation of the moisture changes, estimation and prediction might be achieved with satisfying accuracy.
可测性即为根据系统的可观事件和状态输出的信息估计系统的当前状态。
Detectability is to determine the current state of the system according to the event observations and state observations.
大量的模拟数据和真实图像的实验结果表明,此算法不仅具有良好的鲁棒性,而且可提高基础矩阵的估计精度。
Experiments on simulated and real image data are conducted. The results show that this algorithm is very robust to noises and outliers, and the fundamental matrix with high accuracy can be found.
根据纹理特征的局部马尔可夫性和高斯变量的条件回归之间的关系,将复杂的模型选择转变为较简单的变量选择,应用惩罚正则化技巧同步选择邻域和估计参数。
The structure of the GGM is explored by the connection between the local Markov property of texture features and the conditional regression of Gaussian random variables.
按照算法的可实现性来分类,目前存在的信道估计算法大致可以分为两类。
There are many channel estimation algorithms proposed in recent years which could be sorted into two kinds.
按照算法的可实现性来分类,目前存在的信道估计算法大致可以分为两类。
There are many channel estimation algorithms proposed in recent years which could be sorted into two kinds.
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