space vector的例句大全

Simulation results show that, APF controlled by SVPWM ( Space Vector Pulse Width Modulation) can quickly and precisely compensate the harmonic and reactive components of load current.

仿真结果表明，电压空间矢量脉宽调制SVPWM（Space Vector Pulse width Modulation）控制的APF能对负载电流中的谐波和无功分量进行快速精确的补偿。

PWM Inverter Based on New Space Vector Selection Model

基于新型空间矢量选择模式的PWM逆变器

The paper studies and analyzes the mathematical models of the PMSM and the arithmetic of Space Vector Pules Width Modulation ( SVPWM). Simulate by MATLAB, the results of simulation indicates the SVPWM is a better way compared with SPWM.

本文通过对永磁同步电动机的数学模型和空间矢量脉宽调制算法（SVPWM）的理论分析，以及采用MATLAB仿真工具软件进行了仿真，验证了SVPWM较SPWM提高了电压的利用率。

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

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；

Refinement of the Vector Space Model Based on Documents Hyperlink Structures

一种基于超链接结构的向量空间模型改进算法

It is discussed the relation between space voltage vector and stator flux.

讨论了空间电压矢量与定子磁链之间的关系。

Comparing with the connectionist model using the Volterra series to extend the input vector space, the number of weights with new structure is reduced significantly.

分析表明，与一般的基于Volterra级数的非线性扩展关联模型相比，新结构的权数大为减少。

Space Time Rotary Vector and Its Complex Number Expression of Electromagnetic Laws in Electric Machine

时空旋转相量及其电磁定律在电机中的复数表达式

The whole process of text representation were discussed& word segmentation, building stop words list, feature selection, weight computation and generating vector space.

讨论了文本表示的整个过程&分词，建立停用词表，特征选择，权重计算，生成向量空间。

Without any pre-knowledge about noises and based on the establishment of cross high order accumulation Yule-Walker formula, an effective methed is presented to determine the signal vector space and noise vector space by characteristic decomposition.

不提供任何噪声的先验信息的条件下，在建立互高阶累积量的Yule-Walker方程的基础上，通过特征分解，建立信号矢量空间与噪声矢量空间。

Inheriting vector space data compress, this article discusses multi-scale fusion and complementary grade spacial data structure to cut down redundance, and puts up a new thought of compressing attribute data and figure data.

本文在继承坐标数据压缩的基础上，探讨采用多比例尺融合和互补分级组织地图数据的方法来降低地图数据冗余，并提出了属性数据压缩和符号图元模板法设计图形数据的思路。

The paper gives the position vector field of the rotational spacelike hypersurface in Lorentz-Minkowski space. After computing the principal curvatures and solving the differential equation system, it proves the existence of the rotational spacelike hypersurface about given principal curvature function in Lorentz-Minkowski space.

给出（n，1）型Lorentz-Minkowski空间中给定主曲率函数的旋转类空超曲面的位置向量场，通过计算超曲面的主曲率，证明了这类超曲面的存在性。

In line with characteristics of human motion, we can combine space-time invariant physical structure parameters of moving human with Time-varying motion parameters, making up a periodic eigen vector template.

根据人体运动特性，将运动人体时空不变的身体结构参数和随时空变化的动态参数结合起来，构造一个周期的特征向量模板。

Supervised word sense disambiguation based on vector space model

基于向量空间模型的有导词义消歧

Space Voltage Vector PWM Wave Harmonic Analysis and Control Scheme Comparison

空间电压矢量法PWM波的谐波分析及控制方案比较

Solution Strategies for Word Sense Problems Based on Vector Space Model and Maximum Entropy Model

基于矢量空间模型和最大熵模型的词义问题解决策略

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。

The Extension of Lexical Units Based on Vector Space Similarity Theory

基于向量空间相似原理的框架词元扩展