查询词典 vector density

The fuzzy controller′s output vector and the zero voltage vector , which can restrict the electromagnet torque

如果需要分别作用的时间，限制电磁转矩在给定环宽范围内。仿真分析表明，零电压矢量的引入和预测控

By theory analysis and using zero voltage vector,a PMSM DTC control system model has been established in Matlab,and the simulation study shows that zero voltage vector can effectively diminish the torque ripple and improve the system performance.

在理论分析的基础上采用零矢量的控制方案，建立了基于Matlab/Simulink的PMSM直接转矩控制伺服系统模型。仿真结果验证了加入零电压矢量可以有效地抑制转矩脉动，提高系统性能。

We know that the size of an empty vector is zero, and evidently our library also sets capacity of an empty vector to zero.

由此可见，空 vector 容器的 size 是 0，而标准库显然将其 capacity 也设置为 0。

They included the effect of zero voltage vector in PMSM DTC, the select principle of space voltage vector, the control of stator magnet chain, the enhance of system dynamic performance, and the realization of PMSM DTC system.

主要包括零电压矢量在PMSM DTC中的作用、电压空间矢量的选择原则、定子磁链的控制方式、系统动态性能的保证、PMSM DTC系统的实现等问题，给出了系统的软件设计方法。

On the detailed analysis of PMSM DTC principle, the function of zero voltage vector and the choice method of voltage vector in EV driving are proposed. Restricted condition about stator flux linkage under DTC is analyzed.

在详细分析DTC应用于PMSM的基本原理基础上，研究了零电压矢量在PMSM DTC中的作用并提出电动汽车用PMSM电压空间矢量的选择方法。

In any vector space V, ov = 0 for each v∈V. Thus the zero vector is a linear combination

向 是任一向空间V 中任一非空子集内之向之线性组合。

A human transforming growth 〓 cDNA was inserte in reverse orientation into the retroviral vector, pLXSN. Restriction en zyme analysis was used to confirm the antisense orientation of 〓〓 in the pLXSN vector from individual transfomants.

将人的转化生长因子-〓cDNA（1467bp）反向插入逆转录病毒载体pLXSN，筛选转化菌，挑取抗性克隆，用限制性内切酶酶切鉴定重组子。

Lastly, the support vector machine based on adjustive boundary is proposed, which is used to resolve the problem that the present support vector machines are sensitive to outliers too.

针对支持向量机对噪声数据过于敏感的问题，本论文提出了基于边界调节的支持向量机模型。

Neuroglobin, a recently identified monomer globin in nerve system, is highly affinitive with oxygen similar to myoglobin. After the coding region of rat NGB gene was sub cloned into the prokaryotic expression vector pGEX 4T 2, the recombinant vector was introduced into E. coli BL21 (DE3) cells for efficient expression.

氧是人类及许多生物赖以生存的重要条件，严重缺氧和低氧可危及人体生命。2 0 0 0年 9月，德国Burmester等人首次报道了人和小鼠脑内存在特异的功能上类似于肌红蛋白的携氧蛋白———脑红蛋白(neuroglobin ，NGB) [1 ] 。

Furthermore antisense plant expression vector of this gene was constructed using the pBI121 vector, laying foundation for studies on antisense regulation of ginseng β-amyrin synthase gene.

在此基础上，利用pBI121质粒载体，构建了人参β香树素合成酶基因的反义植物表达载体，为这一基因的反义调控研究打下基础。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。