大数据下税务虚拟化技术应用初探

税务系统大数据特别是虚拟化技术在税务信息化建设中的应用,融合了税收业务和技术变革,大力推动了以大数据管理为导向的税收征管改革,促进了税收事业在互联网时代的发展。税务系统云计算虚拟化技术的应用可以归纳为桌面虚拟化技术应用和虚拟服务器技术应用。利用桌面虚拟化技术税务部门可以多渠道多角度主动获取有关涉税数据,并优化客户端资源;利用虚拟服务器技术税务部门可以整合现有系统及应用,并进行税务部门大数据应用的规划实现。     

虚拟化服务器技术及其运用

虚拟化(Virtualization)服务器技术,就是使服务器同时运行多个操作系统环境,在统一硬件平台上整合多种应用程序,提高系统整体的可靠性。本文综述虚拟技术的基础上,按照服务器应用整合、软件虚拟和硬件虚拟化三种方式实现技术进行深入的探讨。     

HP杯“HP Integrity动能服务器及虚拟化技术”有奖征文获奖名单

一等奖一等奖一等奖一等奖一等奖二等奖二等奖二等奖二等奖二等奖三等奖三等奖三等奖三等奖三等奖三等奖三等奖三等奖HPIntegrity动能服务器虚拟化技术及其在IDC中的应用HPIntegrity动能服务器在铁通TBSS试点中的应用Itanium2+WLM,让系统负载管理更轻松基于HP动能服务器的虚拟化技术在陕西联通综合网管系统中的应用研究浅析虚拟化技术及在电信容灾中的应用HPVSE助力电信运营商实现IT资源整合HP虚拟化技术与数据网管HP的存储虚拟化之道虚拟化技术在电信网络管理系统中的应用铁通骨干智能网综合计费结算系统利用HPIntegrity动能…     

虚拟化技术在广电云资源池中的应用

为实现区域广电数据中心内各运营支撑应用系统的资源整合与共享,在分析研究了数据中心当前面临的主要问题和痛点后,提出了一种基于虚拟化技术对原有应用系统进行升级改造,以建成广电云资源池的部署方案。通过采用服务器虚拟化、存储虚拟化、安全防护虚拟化及业务编排控制等技术手段,有效提高了资源利用率、业务连续性及存储系统性能,降低了空间能耗,实现了高效运维管理与虚拟化安全防护。为广电云资源池的部署实施提供了一定的经验参考。     

开源虚拟化技术在民办高校教学管理中的探索

近年来,民办高校普遍采用服务器虚拟化技术对数据中心进行改造,提高了传统物理服务器的资源利用率,加速了应用系统部署以及数据备份和恢复的速度,并提供了高可靠性和高可用性。本文在探讨服务器虚拟化技术的基础上,利用开源虚拟化平台Xen Server,结合实际案例,给出了民办高校服务器虚拟化实施的方案。     

虚拟化技术在地震资料处理中的应用研究

虚拟化技术在物理资源与应用之间建立抽象层,将物理设备抽象成虚拟器件,为上层应用提供硬件模拟,使应用与具体硬件的分离,实现资源共享。本文通过虚拟化技术研究,结合地震资料处理系统的应用需求特点,综合各种虚拟资源实现技术,将虚拟化技术应用于地球物理勘探领域。根据服务器和计算资源的不同应用特点,设计了虚拟化技术在地震资料处理中心的应用方案,实现了服务器资源共享和计算资源复用。开发虚拟资源管理系统统一管理各种资源,有效地提高了处理系统资源利用率,提高了系统的生产效率。     

基于KVM的桌面虚拟化架构的应用研究

本文在服务器虚拟化技术的基础上,提出了一种基于KVM服务器虚拟化技术的桌面虚拟化架构,论文详细探讨了该桌面虚拟化架构系统的设计与实现过程,并重点研究了KVM所依赖的硬件辅助虚拟化技术的实现原理。该架构可作为桌面管理解决方案,在企业中推广应用。     

浅谈数据中心服务器虚拟化的应用

随着企业的高速发展,信息化应用水平的不断提高,业务系统越来越多,导致近两年服务器数量急剧攀升,公司面临着机房空间、电力供应紧张等因素困扰。企业中不断增加的服务器设备在方便工作的同时也带来了管理复杂化、成本扩大化的问题。虚拟化技术简化了系统的部署,减少了服务器的投入,提高了服务器使用效率。笔者结合自身实际工作经验,从服务器虚拟化技术的应用出发,以VMware为例,探讨服务器虚拟化的实践以及虚拟化技术在信息化建设中的前景,希望对数据中心服务器虚拟化管理研究提供一定的参考价值。     

浅谈数据中心服务器虚拟化的应用

随着企业的高速发展,信息化应用水平的不断提高,业务系统越来越多,导致近两年服务器数量急剧攀升,公司面临着机房空间、电力供应紧张等因素困扰。企业中不断增加的服务器设备在方便工作的同时也带来了管理复杂化、成本扩大化的问题。虚拟化技术简化了系统的部署,减少了服务器的投入,提高了服务器使用效率。笔者结合自身实际工作经验,从服务器虚拟化技术的应用出发,以VMware为例,探讨服务器虚拟化的实践以及虚拟化技术在信息化建设中的前景,希望对数据中心服务器虚拟化管理研究提供一定的参考价值。     

分布式虚拟化电子元器件测试系统开发与设计

通过对WebSocket技术和uIP TCP/IP栈的研究，提出了一种基于B/S和C/S混合结构的分布式虚拟化测试平台模型。该平台采用WebSocket中间件服务器技术，运用HTML 5中的WebSocket协议进行数据分发，利用uIP TCP/IP栈实现远程智能网关，应用虚拟化技术在Web页内嵌入仪器操作控制面板，通过WebSocket技术实现数据的实时传输。用户可以通过浏览器向Web服务器提交命令和参数，远程控制仪器设备，实时观察测试结果。     

Resolution Enhancement Technology:Integrated Process Solutions using OPC

DUV lithography, using the 248 nm wavelength, is a viable manufacturing option for devices with features at 130 nm and less. Given the low kl value of the lithography, integrated process development is a necessary method for achieving acceptable process latitude. The application of assist features for rule based OPC requires the simultaneous optimization of the mask, illumination optics and the resist.Described in this paper are the details involved in optimizing each of these aspects for line and space imaging.A reference pitch is first chosen to determine how the optics will be set. The ideal sigma setting is determined by a simple geometrically derived expression. The inner and outer machine settings are determined, in turn,with the simulation of a figure of merit. The maximum value of the response surface of this FOM occurs at the optimal sigma settings. Experimental confirmation of this is shown in the paper.Assist features are used to modify the aerial image of the more isolated images on the mask. The effect that the diffraction of the scattering bars (SBs) has on the image intensity distribution is explained. Rules for determining the size and placement of SBs are also given.Resist is optimized for use with off-axis illumination and assist features. A general explanation of the material' s effect is discussed along with the affect on the through-pitch bias. The paper culminates with the showing of the lithographic results from the fully optimized system.     

Cost-effective test solutions for smart card and other integrated flash applications

From its emergence in the late 1980s as a lower cost alternative to early EEPROM technologies, flash memory has evolved to higher densities and speedsand rapidly growing acceptance in mobile applications.In the process, flash memory devices have placed increased test requirements on manufacturers. Today, as flash device test grows in importance in China, manufacturers face growing pressure for reduced cost-oftest, increased throughput and greater return on investment for test equipment. At the same time, the move to integrated flash packages for contactless smart card applications adds a significant further challenge to manufacturers seeking rapid, low-cost test.     

Theoretical analysis of the relationship between the Brillouin gain coefficient and the strain in the optical-fiber sensors

The relation between the power of the Brillouin signal and the strain is one of the bases of the distributed fiber sensors of temperature and strain. The coefficient of the Bfillouin gain can be changed by the temperature and the strain that will affect the power of the Brillouin scattering. The relation between the change of the Brillouin gain coefficient and the strain is thought to be linear by many researchers. However, it is not always linear based on the theoretical analysis and numerical simulation. Therefore, errors will be caused if the relation between the change of the Brillouin gain coefficient and the strain is regarded as to be linear approximately for measuring the temperature and the strain. For this reason, the influence of the parameters on the Brillouin gain coefficient is proposed through theoretical analysis and numerical simulation.     

An improved parallel thinning algorithm with two subiterations

The parallel thinning algorithm with two subiterations is improved in this paper. By analyzing the notions of connected components and passes, a conclusion is drawn that the number of passes and the number of eight-connected components are equal. Then the expression of the number of eight-connected components is obtained which replaces the old one in the algorithm. And a reserving condition is proposed by experiments, which alleviates the excess deletion where a diagonal line and a beeline intersect. The experimental results demonstrate that the thinned curve is almost located in the middle of the original curve connectivelv with single pixel width and the processing speed is high.     

Novel fiber-optical interferometer with miniaturized probe for in-hole measurements

Today, micro-system technology and the development of new MEMS （Micro-Electro-Mechanical Systems） are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product quality. Most often, MEMS have to be tested by means of functionality or destructive tests. One reason for this is that there are no suitable systems or sensing probes available which can be used for the measurement of quasi inaccessible features like small holes or cavities. We present a measurement system that could be used for these kinds of measurements. The system combines a fiber optical, miniaturized sensing probe with low-coherence interferometry, so that absolute distance measurements with nanometer accuracy are possible.     

Study of waveguide coupling efficiency in hybrid silicon lasers

This paper presents a new method to increase the waveguide coupling efficiency in hybrid silicon lasers. We find that the propagation constant of the InGaAsP emitting layer can be equal to that of the Si resonant layer through improving the design size of the InP waveguide. The coupling power achieves 42% of the total power in the hybrid lasers when the thickness of the bonding layer is 100 nm. Our result is very close to 50% of the total power reported by Intel when the thickness of the thin bonding layer is less than 5 nm. Therefore, our invariable coupling power technique is simpler than Intel＇s.     

Teleportation of an arbitrary unknown N-qubit entangled state under the controlling of M controllers

A new quantum protocol to teleport an arbitrary unknown N-qubit entangled state from a sender to a fixed receiver under M controllers(M < N) is proposed. The quantum resources required are M non-maximally entangled Greenberger-Home-Zeilinger (GHZ) state and N-M non-maximally entangled Einstein-Podolsky-Rosen (EPR) pairs. The sender performs N generalized Bell-state measurements on the 2N particles. Controllers take M single-particle measurement along x-axis, and the receiver needs to introduce one auxiliary two-level particle to extract quantum information probabilistically with the fidelity unit if controllers cooperate with it.     

Diode-end-pumped Nd:YVO4/LBO lasers with 4.2W continuous-wave output at 457 nm

A continuous-wave (CW) 457 nm blue laser operating at the power of 4.2 W is demonstrated by using a fiber coupled laser diode module pumped Nd: YVO4 and using LBO as the intra-cavity SHG crystal With the optimization of laser cavity and crystal parameters, the laser operates at a very high efficiency. When the pumping power is about 31 W, the output at 457nm reaches 4.2 W, and the optical to optical conversion efficiency is about 13.5% accordingly. The stability of the out putpower is better than 1.2% for 8 h continuously working.     

A rigorous proof of MIMO channel capacity’s increase with antenna number

It is well known that adding more antennas at the transmitter or at the receiver may offer larger channel capacity in the multiple-input multiple-output（MIMO） communication systems. In this letter, a simple proof is presented for the fact that the channel capacity increases with an increase in the number of receiving antennas. The proof is based on the famous capacity formula of Foschini and Gans with matrix theory.     

Call for Papers

正Wireless Body-area Networks The last decade has witnessed the convergence of three giant worlds:electronics,computer science and telecommunications.The next decade should follow this convergence in most of our activities with the generalization of sensor networks.In particular with the progress in medicine,people live longer and the aging of population will push the development of wireless personal networks