1) virtual three space vector
虚拟三矢量
2) virtual delay vector
虚拟延迟矢量
1.
By using the virtual delay vector technique,the system provides the same end-to-end delay bound as VirtualClo.
为了减少速率损失,提出一个核心无状态调度框架DVRS(de lay vector reference system),通过运用虚拟延迟矢量技术,在保证端到端延迟上限与V irtua lC lock算法相同的同时,将核心无状态算法的基本速率保证能力从现在的首尾点精确保证提高到逐点精确保证;并利用局部平均法满足用户对处理开销与带宽保证精度的不同需求;另外,由于核心节点操作的相似性,DVRS类算法具有较好的配置渐进性。
2.
When a packet arrives at the edge of a network of VCSVC(G) servers,the ingress node computes the virtual delays for each packet at every node it traverses under the corresponding ideal single-flow system and encodes them into a virtual delay vector carried by the packet itself.
该算法在边界节点为分组计算理想模型下各节点对应的虚拟延迟,组成虚拟延迟矢量带在分组头中,是核心节点排序的依据,其长度上限G利用局部平均法实现。
3.
In VCSVC,the ingress node will compute virtual delays for each injected packet at every node along its path and encode them as a virtual delay vector into the.
VCSVC中,在边界节点计算的虚拟延迟矢量作为流状态带在分组头中,是核心节点排序的依据。
3) virtual space vector
虚拟空间矢量
1.
The new modulation approach,which based on the virtual space vector concept,guaranteed the balancing of the neutral-point potential for any load over the full range of converter output voltage and for all load power factors,and the only requirement being that the addition of the output three-phase currents equals zero.
针对三电平中点钳位逆变器在不同的负载条件下,传统的最近三矢量合成方法中点电压存在不能平衡的区域,利用基于虚拟空间矢量的调制方法,当输出三相电流之和为零时,能实现对中点电压的完全控制。
4) virtual synthesizing vectors
虚拟合成矢量
1.
A development of virtual synthesizing vectors of three-level inverter DTC system was developed based on the concept of synthesizing vectors which can not only completely restrain the high dv/dt of output voltage and reduce the torque ripple problems,but also solve the unbalance of neutral point of the three-level inverter timely.
在分析合成矢量法的基础上,提出了一种改进的虚拟合成矢量的三电平逆变器直接转矩控制方法,不但能够有效抑制输出电压的跳变、减少转矩脉动,而且能有效地实时控制三电平逆变器的中点电压。
5) Improved dummy synthesizing vectors
改进型虚拟合成矢量
6) virtual space vector modulation
虚拟空间矢量调制
补充资料：虚拟
1.设想;虚构。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条