查询词典 vector analysis

We find that these two kinds of excitations are generated from the zero points of the different vector order parameter fields defined in terms of the Néel vector 〓.

对于反铁磁凝聚体，我们指出，归因于凝聚体序参量空间第二同伦群的非平庸结构，在凝聚体中存在两类拓扑激发：skyrmion与单极子。

Based on this model, interaction between the parallel grid-connected inverters is analyzed and the influence on circulating current when it is adopted zero vector with space vector pulse width modulation is also analysed.

在这模型的基础上，分析并网逆变器并联运行时的相互影响；分析了并网逆变器采用间矢量脉宽调制算法时零矢量对环流的影响。

The instantaneous zero vector inserting space vector PWM theory is adopted to control the Permanent Magnet Synchronous Machine as the driver motor in the control software. The mixing programming is adopted in order to take advantage of the assembly language and C language.

系统控制软件采用混合编程的方式，即在C语言中嵌入汇编语句，充分发挥汇编语言和C语言各自的优势，使软件结构灵活，运行快速，能满足系统的功能要求。

The relation involves modulation signal and space vector, zero sequence voltage and redundancy vector and so on.

全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系，包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。

Of a vector space that contains the zero vector is linearly dependent, because 0

向 空间内之任何子集仅包含向，则该子集为线性相依。

Having walked through the code in detail, we can see that this program has exactly the same effect as the version that used subscripts: We start at the first element in the vector and set each element in the vector to zero.

通过上述对代码的详细分析，可以看出这段程序与用下标操作符的版本达到相同的操作效果：从 vector的第一个元素开始，把 vector中每个元素都置为0。

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

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。

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。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。