查询词典 space model

We propose a text vector space model base d on suffix tree and implement a text categorizing system on the model.

摘要］ 本文在面向网络内容分析的前提下，提出了一种基于后缀树的文本向量空间模型，并在此模型之上实现了文本分类系统。

In providing document retrieval services. Then, we give a design of document collection based on DBMS to support both Boolean Model and Vector Space Model.

联机文档检索服务是当今和未来的图书馆用户对图书馆信息服务所提出的一种自然而紧迫的要求。

Analyzed the similarity between scheme solving problem and traveling salesman problem, the scheme solving problem for conceptual design is transformed into an optimal path problem in combinatorial optimization, where the dynamic programming based solution space model and the longest path based optimization model are developed.

摘要通过分析概念设计方案求解问题与旅行商问题的相似性，将方案求解问题转化为组合优化的最优路径问题，建立了基于动态规划的解空间模型和基于最长路径的优化模型。

For the problem of data s mismanagement, separated usage of study tools and hard for awareness processing widely existing in the traditional collaborative learning system, the nested knowledge space model is presented in this paper, which includes the concepts of knowledge domain, inclusion relation, correlation relation, quasi-order relation and parallel relation among the knowledge domain,and knowledge space etc.

针对传统协同学习系统中普遍存在着学习材料组织混乱、学习工具隔离使用和感知处理困难等问题，本文提出了嵌套式知识空间模型，该模型包含知识域、知识域之间的包含关系、相关关系、拟序关系和并行关系以及知识空间等概念。

Finally we set up three - dimensional space model to simulate the space effect during tunnel construction , analyze the transaction between the left runnel and the right tunnel , and also analyze the deformation and stability of mid - partition

最后建立了三维空间模型，对连拱隧道开挖时的空间效应、左右洞的相互影响，以及中隔墙的变形和稳定性进行了模拟分析。

We structure a general equilibrium dynamic model of optimize behavior under the stick price, the model is made up of IS equation , AS equation and interest rate rule , these three equations :::: We utilize state space model and Kalman filter to measure the variable which can't be observed --The China Real Interest Rate Gap and China potential GDP .

我们构建了粘性价格下基于主体最优化行为的一般均衡动态模型，模型由IS方程、AS方程和利率规则这三个方程组成：：：：我们利用状态空间模型和卡尔曼滤波的方法对于不可观测变量——中国实际利率缺口和中国潜在GDP进行了度量。

Based on State Space Model and Kalman Filtering, this paper set up a Time-varying Parameter Model and Error Correction Model under the consideration of aggregate demand to analyze the effect caused by FDI on Chinas economic growth.

本文基于状态空间模型和卡尔曼滤波建立了变参数模型和误差修正模型，从总需求的角度出发，动态地研究了外商直接投资对我国经济总量、固定资产投资、进出口贸易等方面我国经济增长的影响，并且的到了以下主要结论以及政策建议。

Canonical variate analysis is applied to identify a state space model in linear space and state information is extracted.

在CSTR系统上的仿真结果表明，KCVA方法比主元分析法和CVA方法能更灵敏地检测到故障的发生，更有效地监控过程变化。

Based on the phase space model of the zeroth and first order approximation, a regression-autoregression model and a regression-local linear regression model are proposed, which provided new method for dam safety monitoring.

在此基础上，提出了逐步回归—自回归、逐步回归—局域线性回归等大坝观测序列相空间模型，为大坝安全监控模型的建立与预测提供了新的思路与方法。

This paper realizes sentence input method using state space model which integrates Viterbi algorithm into.State space of sentence conversion is described successfully.

提出融入Viterbi算法的状态空间模型，成功地描述了整句转换的状态空间，实现了整句输入法。

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。