Web数据库安全技术方案浅析

计算机中信息的存储与管理都是通过web数据库完成的，随着科技的不断进步，网络用户的数量日渐增多，利用网络数据库管理和存储的信息也越来越多。但网络是一个集开放与多样连接性为一体的技术性平台，因此人们对于网络技术的掌握都处于浅显的阶段，对于其安全性也没有特别关注，在信息的传递和存储过程中可能会被窥探或盗取，因此web数据库安全的保障是一个应广泛关注的问题。维护数据库的安全，也是计算机系统稳定运行的保障，因此需要制定合理有效地安全技术方案。本文对web数据库的一些安全问题做具体分析，并据此提出一些处理方案。     

有线电视网络资源管理系统的研究与实施

有线电视信息资源管理系统,就是采用地理信息系统平台,结合计算机技术,按照有线电视网络资源的多重属性来组织网络和设备资源数据库,同时通过对网络和设备资源数据库的操作,实现有线电视网络和设备资源规划、资源调度、日常维护以及为其它外部系统提供可视化技术服务。通过对该系统的实施和应用,宿州有线电视网络将网络规划设计、工程维护管理和各专业网络管理紧密结合起来,有效地进行了网络资源的管理和配置,为各部门提供了资源信息,并给领导决策和资源管理提供科学的手段。     

山东省数字认证安全应用标准平台建设成效显著

山东省数字认证安全应用标准平台是基于公钥基础设施(PKI)，充分解决网络信息传输与交换过程中各参与方身份确认、信息保密性、信息完整性及信息不可抵赖性的运营管理系统平台，是PKI技术在网络信任体系建设中具体应用。该平台对提高网络参与者的信任度，建构整体性、协同性、综合性的网络信息交换平台提供了有效安全保障。目前，该平台已成功应用于济南国税、     

宁夏广播电视厅办公自动化网络规划设计

本文就宁夏广播电视厅办公自动化网络的规划设计，硬件设备的选型系统平台及软件的选择，网络安全性及用户资源管理等方面进行了详细的总结和论述。对网络建设从局域网－域域网－广域网的分期实施进行了论证。特别对网络的用户帐户和数据库资源的管理，机关办公自动化网络的运行机制进行了探讨。     

基于ASP的政务信息平台系统设计

文中对政务信息平台系统进行规划设计,分析政务信息化需求的现状和问题,以计算机、网络为工具处理政务信息,建立门户网站、数据库,基于ASP技术,对政务信息资源进行收集、处理、存储、管理、传递,建设一个能够向行政单位及社会公众提供信息资源服务的信息平台系统.     

基于ASP的政务信息平台系统设计

文中对政务信息平台系统进行规划设计,分析政务信息化需求的现状和问题,以计算机、网络为工具处理政务信息,建立门户网站、数据库,基于ASP技术,对政务信息资源进行收集、处理、存储、管理、传递,建设一个能够向行政单位及社会公众提供信息资源服务的信息平台系统。     

云数据中心及云平台技术的应用

在互联网行业的发展中，随着网络用户数量、平台运行数据不断增多，为了提高网络信息利用率，相关行业需重视数据中心的建立，而云数据中心目前已经成为当代数据库建设的主流趋势。因此，为利用云数据中心的各项服务功能，确保网络运营的互通性，对云数据中心及云平台技术的应用展开研究，借此在云平台技术实践中梳理云数据中心的设计思路。     

计算机网络数据库的安全管理技术分析

信息储存和信息管理是计算机网络数据库的主要功能.很多计算机用户会将一些重要信息储存在计算机网络数据库中,在工作开展的过程中,通过将信息储存在计算机网络数据库中,可以大幅度提高工作效率.最近几年,我们国家在计算机网络方面取得了很大的发展成果,但其仍处于发展的过程中,并且由于网络具有一定的开放性和互联性等各种各样的独特性以及普通的人民群众对计算机技术的性能缺乏一定程度的了解,所以使得网络信息泄露的现象时而发生.因此,为了能够有效提高计算机网络数据库的安全管理,很多的技术人员对计算机网络数据库的安全管理技术进行了分析,并针对计算机网络数据库安全管理技术中存在的问题提出了很多的解决措施.     

浅谈基于MySQL数据库结构设计

MySQL平台数据是基于数据库平台的,通过开放式数据资源平台完成相关事务数据二维信息的有效描述过程。通过My SQL数据库约束条件操作分析,确保数据的安全性,加强数据平台库的信息合理。本文将针对学校数据库管理平台的相关数据信息进行分析,通过研究数据基础开发研究内容,完善数据表内数据信息、数据结构的合理性,从而保证My SQL数据之间的结构关系,提高数据信息平台的稳定性。     

博物馆藏品管理的数字化创新实践

阐述博物馆藏品数字化管理，包括构建数字化管理平台、提高博物馆藏品安全等级、体现博物馆的科技水准，探讨博物馆藏品数字化管理创新与实践策略，构建全面的信息数据库。     

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.     

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.     

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.     

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.     

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.     

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.     

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