查询词典 space model

A state space model was developed for a rotor system.

建立了转子系统的状态空间模型。

Secondly, state space model of the system is derived.

仿真结果表明了该方法的有效性。

Then the state space model is developed.

然后建立了使用现代控制理论的状态空间方法描述的数学模型。

A state space model based on matrix method is established for predicting Chinese population.

对我国的人口增长问题建立了基于状态空间方法的中短期和长期预测模型。

This thesis uses strand space model as starting point.

论文以链空间模型作为研究的起点。

On the basis of state space model of system dynamics, the decomposition of periodic term and trend term in the time series of both power demand and Gross Domestic Product are carried out respectively, and it is discovered that there is a strong correlativity between the periodic term...

文章基于系统动力学的状态空间模型对电力需求与国内生产总值(GrossDomesticProduct，GDP)增长率时间序列分别进行周期项与趋势项的分解，发现电力需求与GDP分解的周期项之间存在很强的相关关系；基于此关系及电力需求增长率序列数据自身的变化规律，采用计量经济模型预测了2004~2008年我国电力需求增长率，以期为当前的电力规划工作提供参考数据。

The usual vector space model in text representation is discussed and its disadvantages are analyzed.

文本聚类是W eb文本挖掘的一个重要分支，而文本表示方法是文本聚类的基础。

It firstly presents a survey of basic concepts and knowledge. Then it analyses the representation effectiveness of Vector Space Model and factors influencing the classification performance.

本文主要从文本表示及分类算法两个角度展开了深入的研究，首先对文本分类的基本概念和知识进行了归纳，分析了目前最为流行的向量空间模型的表示效力以及它对于分类效果的影响因素。

This paper proposed an improved Vector Space Model representation of user single-interest together with its dynamic learning algorithm. Experiment shows that the algorithm can catch and record user's latest interest in time, and can self-adaptively adjust and update user profile.

本文提出了一种改进的向量空间模型用户单兴趣表示法及其动态学习算法，实验表明该算法能够实时捕捉和记录用户最新的兴趣需求，并能自适应地调整和更新用户模板。

In the personalized recommending test, the system taking the new method has better effect than that taking the improved Vector Space Model representation.

个性化推荐测试中，采用这种基于SSN的用户多兴趣建模方法的系统其推荐效果要好于采用前一种改进的VSM用户单兴趣建模方法的系统。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。