New features, layered protocol, virtual channel, and power management for example, greatly increased the efforts in checking a design`s functional correctness.
分层协定，虚拟通道，和电源管理等新的特性，大大的增加我们验证系统的负担。
The main research contents and results embody as follows: According to the two typical drawing simulation of box part and cylindrical part, it is arrived a main method in improving sheet metal forming ability as follows: in the qualification of not initiating the wrinkle, brought more particle in fillet region into straight flange region, in the meantime cause the particle in the straight flange region run more distance towards the middle region which resistance is the minimal. A theoretical study of new technique is developed in sheet metal forming base on virtual power principle. The results indicate that decrease the equivalent stressσ, improve the lubricate state in contact surface, decrease the area, the normal contact stressσn and the equivalent strain velocityεin initial principal deformation region, adjust and optimize the particle cycle flow of work piece flange face will greatly increase the sheet metal draw ability in room temperature conditions. And drawing hole forming technology is araised based on the analysis above.
本文的主要研究内容和结果体现在以下几个方面：根据两个典型的拉深工艺盒形件和筒形件拉深的数值模拟结果，研究得出为提高板料拉深成形性能而应采取的工艺措施是，在不引发起皱的条件下，使得圆角区域中的质点更多地进入直边区域中，同时使直边区域中的质点、朝着流动阻力为极小的中部区域移动更大的距离；依据塑性力学的基本原理——虚功率方程，基于提高板料的成形性能的目的，对虚功率原理关系式中每项参数的变化，进行了深入的分析后得出，在覆盖件的拉深过程中，可通过适当的工艺方法与措施，减小等效应力σ，改善接触面上的润滑状态，减少初始主变形区的面积，减小主变形区的法向接触应力σn的量值，减小主变形区的等效应变速率ε，起到调节与优化工件法兰面上的质点的周向流动的作用，以此为基础，提出了拉深孔的工艺措施即拉深孔成形新工艺。
For another hand, the Virtual Reality technology, which is vivid, interactive, authentic, accutate and integrated, provides a more power manitestation to extend the field of artistic expression for architectural creation.
另一方面，虚拟现实技术也以其生动性、交互性、真实性、准确性、系统性创造了更为强大的表现力，拓展了建筑表现的内容和涵义。
A virtual test system of power supply based on LabVIEW and DAQ-2010 data acquisition card is introduced in this paper as well as its structure, design of software and characteristics of its functions.
摘 要：介绍了基于NI-LabVIEW开发平台和DAQ-2010多功能数采卡的电源虚拟测试系统的结构、软件设计及系统功能特点。
With the development of computer technology, virtual instrument has been an important developing direction of power parameter measurement.
随着计算机技术的发展，虚拟仪器已经成为电能参数检测发展的重要方向。
This information is what Walachia uses as the conduit for his power, and is even capable of condensing it onto the Night on the Blood Liar, a rapidly swirling torrent of virtual information of such magnitude that is even capable of having an effect on the physical world by sucking blood in quantities as massive as entire cities.
这些信息是瓦拉齐亚力量的一个渠道，这甚至有能力在此之上浓缩成为血说谎之夜，迅速传播的如此数量的虚假信息甚至有能力通过在数量上吸光全城人的血来对现实世界施加影响。
Now it's time to power on the virtual machine.
现在是时候权力虚拟机上。
In order for analysis of the harmonic of arc welding power supply, a virtual harmonic analyzer has been developed.
基于弧焊电源谐波分析的需要，研制开发了一台弧焊电源谐波分析仪。
And a set of virtual emulation control system, which is used to control on startup and gear-shifting of automobiles, is achieved in order to make power and fuel economy of automobiles reach optimum control.
并且得到一套自动变速器动力系统的虚拟仿真控制系统，应用于汽车起步和换档等方面的控制，使汽车动力性和燃油经济性达到最佳控制。
Not enough physical memory is available to power on this virtual machine.
没有足够的物理内存来启动这个虚拟计算机。
Second, comparing to the axial virtual cathode oscillator, the coaxial virtual cathode oscillator has been studied by PIC simulation method in detail. With the conclusion of the principle of the coaxial virtual cathode oscillator, we has brought forward one new kind of coaxial virtual cathode—radial three-cavity coaxial virtual cathode oscillator whose peak period-averaged power reaches 2.45 GW and the beam-wave conversion efficiency is about 12%. The output microwave has high mode purity and narrow bandwidth.
二、以轴向虚阴极振荡器为参照，对同轴虚阴极振荡器进行了较为细致的粒子模拟研究，并在总结同轴虚阴极振荡器产生微波机理的基础上，提出了一种全新的同轴虚阴极振荡器—径向三腔同轴虚阴极振荡器，其输出微波功率高达2.45GW，效率约为12％，较以往虚阴极振荡器大大提高，其输出微波频谱和模式也非常纯净。
This testing system is based on the PXI bus virtual testing system. There are many secondary types of equipments in the system. Such as the programmable power supply, high voltage probe, high voltage relay, high voltage load and pneumatics.
本文以PXI总线虚拟测试系统为核心，辅以程控电压源、高压衰减探头、高压继电器、高压放电负载及气动装置，分别设计组装了主机柜与测试柜，完成整个自动测试进程。
Against the exiting question about which is hard to real-time analyze and measure speedy and exactly measurement of changing harmonic, this paper studies and realizes a harmonic analysis and measurement method based on reconstruction of wavelet packet decomposed coefficients. This paper puts forward a new concept of harmonic virtual value. Whats more, this paper studies, puts forwards and builds a detection method of harmonic virtual value and singularity. According to this method, power system harmonic track can be realized. This method provides theory basis for taking an effective method for harmonic real-time compensate. Using wavelet transform can make one voltage process decompose to a frequency band. According to sample frequency and decompose scale, frequency band can be confirmed. Harmonic content analysis is realized. All integral and non-integral harmonics are obtained. This method overcomes information missing resulting from spectrum leak, fence effect in traditional harmonic measurement. Reliability and accuracy of harmonic are improved. The self-adaptive power active filter is designed by combining the arithmetic of reconstruction of wavelet packet decomposed coefficients based on this theory.
针对目前电力系统谐波分析方法中存在的难以快速、准确对非平稳暂态谐波进行实时分析和检测等问题，提出研究了一种基于小波包分解系数重构算法的谐波分析、测量方法；研究、提出并建立了基于小波包分解系数重构算法的谐波有效值测量和信号畸变定位方法，据此可实现电力系统的各次谐波跟踪，为对谐波采取行之有效的实时补偿提供理论依据；建立了一种基于小波包分解系数重构算法的自适应有源滤波器，探索利用小波变换将某一信号分解到某一频带上，根据采样频率及其小波包分解尺度确定频带范围，实现该频带所包含的谐波含量分析，获得频带内所有整数次和非整数次谐波量值，克服传统谐波测量因频谱泄漏、栅栏效应造成的信息遗漏，提高测量的可靠性与准确性。
And as the computing power increases, the speed prices of virtual reality systems are expected to drop.
而随着计算机机率的提高，人们期望虚拟现实系统难以接受的价格将会下降。
In its own 1 megawatt, 10, 000 square foot production deployment, the company says it saved 40% on cabling, fiber, patch cords and labor costs; gained 30% more power for servers; supported 50% more physical servers in the same space; and increased virtual machine support per kilowatt by almost fourfold.
思科表示，在思科自己的1兆瓦、1万平方英尺的生产部署上，UCS能节省40％的电缆、光纤、跳线和劳动力成本，为服务器多得近30％的电力，而且在相同的空间里它容纳的物理服务器数量增加了50%，每千瓦支持的虚拟机也增加了将近四倍。
This paper firstly retrospected the conventional measurement Instrument of twist moment and power, then introduced the formation and characteristics of VI, finally, formed a new virtual measurement by combining VI technology and conventional hardware instrument.
回顾了传统硬件化扭矩、功率测量仪。介绍了虚拟仪器技术的概念和特点，利用虚拟仪器技术与传统仪器相结合，形成了本文介绍的虚拟式扭矩、功率测量仪。
In this paper, the influence of harmonic to the accuracy of potential transformer and current transformer is studied firstly, and then through some experiments, the new equipment-multifunctional metering of electric energy equipment based on virtual instruments technology and traditional induction Watt|hour meter to measure the power at different harmonic situations.
首先探讨谐波对仪用电压电流互感器精度的影响，然后通过具体实验，利用新研制的基于虚拟仪器技术的多功能电能计量装置与传统的感应式电能表在不同的谐波条件下同时计量电能，对二者结果进行对比分析，得出谐波对感应式电能表计量影响的准确数据，并总结其规律。
In this paper, the virtual instrument technique is used in accurate measurement of power energy and the power quality.
本文就是应用虚拟仪器技术实现有效接地系统中电能的准确计量，并对电能质量问题进行了一些探讨。
Based on elastic-plastic thin shell instability theory, adopted virtual power principle and nonlinear elastic-plastic finite element analysis, the buckling characteristic of Al-Mg-Si based alloy Square Sheet with Non-uniform Tension were investigated.
基于弹塑性板壳失稳理论，采用虚功原理和非线性弹塑性有限元方法，模拟了Al Mg Si基合金方板对角拉伸的皱曲特性，得出了方板临界失稳的物理判据和临界状态下的应力、应变场。
In order to further validate the correctness of the dual-front-axle steering system designs, the mathematical model of steering system is also built up, and analysis and calculations of some main components of the hydraulic power steering system are given. Furthermore, the virtual hydraulic system is built by use of the hydraulic module of ADAMS, accordingly, the mechanical and hydraulic systems are integrated via the two-way cylinder, which lay the foundation for mechanotronics.
为了进一步验证双前桥转向系统设计的准确性，本文接下来又建立了转向系统的数学模型，对液压助力转向系统的某些重要参数进行了分析计算，对液压系统的某些重要元件进行了选型，依照选型的结果，利用ADAMS/Hydraulics模块，建立了完整的液压系统仿真模型，实现了双前桥汽车转向系中液压系统与机械系统的耦合，为实现机电液一体化打下了基础。