vector space的例句大全

Research on the Vector Space-based Chinese Concept Retrieval Technology

基于向量空间的中文概念检索技术研究

Language Recognition Based on Discriminative Vector Space Model

基于区分性向量空间模型的语种识别

Finally the term-document space is constructed by vector space model with term frequency weight. Secondly, the latent semantic analysis is studied.

向量空间采用词频作为权值的向量空间模型构建。其次，研究了潜在语义分析模型。

This paper presents the semantic vector space model, a text representation and searching technique based on heuristic syntax parsing and distributed representation of semantic case structures.

本文介绍一种基于句法分析和格式语义结构，被称为语义矢量空间模式的文献自动标引／检索技术。

Based on the wasted of dimension in traditional vector space model algorithm, the article gives the method to solve. Through analysis, different frequencies of keywords and reference library of keywords was used to mine the data.

针对传统的基于向量空间模型算法中向量维度的空间浪费问题，从数据挖掘的知识入手研究，通过分析采用分频关键词和关键词参照库的方法对数据进行聚类挖掘研究。

The classifier is based on vector space model and categorize dynamic text stream which is typed by user from keyboard. The aim for categorization is to guide input program prompting repeated codes words.

该分类器基于向量空间模型，对用户键盘输入的动态文字流进行分类，分类目标是指导输入法程序提示重码词条。

based on the specific situation ( success, failure) of query disambiguation, two distinct types of document semantic relevance measure, namely semantic vector space model based document relevance and word vector space model based document relevance, are proposed in this dissertation.

本文根据查询消歧的具体情况（成功、失败），提出两种文档语义相关性度量的方法：基于语义向量空间模型的文档相关性和基于词汇向量空间模型的文档相关性。

most of the existing text intelligent processing systems are using word based vector space model to represent text.

现有的文本智能处理系统中大多采用基于词语的向量空间模型表示文本。

The real mode method is based on the fact that a complex vector in n-dimensional complex vector space can be represented on the basis of a set of linearly independent real vectors in n-dimensional real vector space.

实模态叠加法是基于一个事实，即n维复向量空间中的复向量可以在n维实向量空间中的一组线性无关的实向量构成的基下表出；

let ( x, t) be a separated topological vector space, b be a closed bounded convex set. t drop property and quasi t drop property of set b is introduced.

（X，T）是可分离的拓扑线性空间，B是X中的非空有界闭凸集，提出了B有T滴状性质和B有拟T滴状性质的概念。

Some Characteristics of a Left Vector Space Over Divison Ring

除环上左向量空间的若干性质

Vector space model, the weights were calculated from the characteristic value, the text vector to determine similarity computation and clustering center of the aspects of CBC clustering algorithm was improved.

采用向量空间模型，分别从特征值权值计算、文本向量相似度计算和聚类中心点确定三个方面对CBC聚类算法进行了改进。

Text Presentation Module: it represents the text in vector space model. 5.

文本表示模块，采用向量空间模型对文本进行表示。

Research on latent semantic index retrieval model by expanding vector space model

一种扩展的向量空间模型-隐含语义索引模型研究

Main contents of this paper are as follows: From the operating principle of matrix converter Constructing model 、 Analysis and inducting the double space vector and equivalent circuit of matrix converter.

本文的主要内容如下：从矩阵变换器的工作原理出发，对矩阵变换器建模分析，引出矩阵变换器的双空间矢量调制策略和虚拟等效电路；

At the same time, space vector groups are optimized, the optimized SVPWM can guarantee output performance of converter does not fall when switching frequency properly decrease.

采用优化后的开关矢量，可以在减小器件开关次数的情况下，仍能保证变频器输出性能。

During the semi-continuous casting of aluminum alloy by CREM process, the distribution of magnetic flux density vector in space and melt;

数值模拟了CREM法半连续铸造铝合金过程中，磁感应强度在空间和结晶器内部的分布；

By means of differential geometry, this article recognizes tensor field on manifold and its covered vector field, scalar field further, at the same time uncovers and depicts the inherent proper curvature meaning of the relativity background space-time ( IR~ 4,η).

从近代微分几何角度，进一步认识张量场及其所涵盖的标量场和矢量场，揭示刻画相对论时空背景的内禀曲率意义；

At the same time, space vector model base on information retrieval model similarity measurement is putted forward and realized.

同时借鉴网络搜索引擎与文档检索的思想提出并实现了基于信息检索模型的空间向量模型相似性度量方法。

Based on the three-dimensional space vector of Pb isotopic mapping, it is indicated that there exist a isotopic geochemical steep zone along Luonan-Luanchuan-Fangcheng faults between north Qinling and north China block.

Pb同位素比值三维空间矢量填图结果表明，在华北块体与北秦岭之间，沿洛南-栾川-方城断裂存在明显的地球化学急变带，分隔具有不同Pb同位素空间矢量组成的华北与北秦岭块体。