查询词典 network security

The network architectures in existing systems included contents are corvus system introduced in america, wireless regional area network based on ieee 802.22 as well as the wireless mesh network supporting multi-channel and multi-interface; related network protocols are of corvus system, the xg system for military applications, and wran.

现有基于认知无线电技术的网络架构主要有美国的corvus系统，基于ieee 802.22的无线局域网和支持多信道多接口的无线mesh网络；协议体系有corvus协议体系，军用的xg系统协议及wran协议等。

The thesis introduces the concept and evolution of NC at first, and analyzes the difference of between NC and PC, diskless workstation, and discusses emphatically the characteristics and applications of NC network architecture, then introduces the definition, the mission and the function area of network management, analyzes a few architecture of network management, and goes deep in to study Simple Network Management Protocol.

论文首先介绍了NC的概念及其发展过程，分析了NC与PC、无盘工作站的区别，重点讨论了NC网络体系结构的特点和应用。然后介绍了网络管理的定义、任务和功能域，分析了现有的几种网络管理的体系结构，并深入研究了简单网络管理协议。

In this paper chip shapes were recognized by using of radbas neural network. We put forward area ratio feature, Euler number feature, etc. geometry feature of chip shape image and thing of those features as inputting vector of neural network. Adopt radbas neural network and training the network using RLS.

研究了径向基函数神经网络在硬质合金刀具切屑形态图像识别中的应用，提出了面积比、欧拉数、分散度等硬质合金刀具切屑形态图像的几何特征，以上述特征作为神经网络的输入矢量，利用径向基函数网络，采用了递推最小二乘法训练该网络。

Firstly, the characteristics of CAN bus are analyzed and it's reliability、expeditiousness and flexibility are tested. A communication network of substation automation system constructed on CAN bus is presented and confirmed. Secondly, the dissertation discusses the main structure of substation automation system, as well as the content and request of substation digital communication. According to this, it gives the project of constructing the substation CAN communication network and the communication protocol. And according to different requests of power system, it makes research and tests of the calculation of the communication parameters in the network. Communication manager is the key to communication network based on CAN bus.

论文首先分析了CAN总线的特性，对其可靠性、实时性、灵活性进行了实践验证，确定了用CAN总线来构建变电站综合自动化系统数据通信网络的可行性，并在对变电站综合自动化系统的结构及数据通信的内容和要求做了研究和分析的基础上提出了基于CAN总线的变电站综合自动化数据通信网络的构建方案，编制了相应的基于CAN总线的变电站综合自动化系统通信协议，同时针对电力系统的不同要求，对CAN总线通信网络中通信参数的计算进行了研究和验证。

Through analysing muddleheaded time alignment, build the network of the 3 make a present of before the layer that has many concealed node, be based on extensive to change a gender to consider to use lop algorithm to train, in node of concealed of part of the expunction on the foundation that assures to forecast precision in order to reduce network complexity, the overall situation that uses genetic algorithm to have searchs actor ability to train a network afresh, benefit appliance has algorithm of BP of the local ability that find actor to train this network again.

通过分析混沌时间序列，建立具有多个隐节点的3层前馈网络，基于泛化性考虑采用剪枝算法练习，在保证猜测精度的基础上消去部分隐节点以降低网络复杂性，利用遗传算法具有的全局寻优能力重新练习网络，利用具有局部寻优能力BP算法再次练习该网络。

This hacker attack makes Wei lane net connects a company to appear to be embraced badly to extramural Internet exit, network of network of city land with certain boundaries is successive two days of almost complete block are broken, wei lane user of broadband of 400 thousand Internet cannot get online, at the same time major network appears inside 5 days successive block is broken or network discharge block, a large number of users cannot get online normally.

此次黑客攻击使潍坊网通公司通往市外的互联网出口出现严重拥堵，城域网网络连续两天几乎完全阻断，潍坊40万互联网宽带用户无法上网，同时大部分网络五天内出现连续阻断或网络流量阻塞，大量用户无法正常上网。21日上午，潍坊市网通公司机房部向潍坊市公安局报警。

Bring forward a kind of learning algorithm fitting on the base of spline function, because the spline function has good flexibility and quadratic smoothing property, the search problem of network weight functions training can be converted into the resoluting extreme value problem of the plurality function through using spline function to represent network input and link weight functions, thus the PNN can be trained with the help of the existing neural network learning algorithms;④build a kind of learning algorithm base on the alternate of Walsh function, the complexity of network computing can be decreased through using the complete orthogonality of Walsh function corollary.

应用结果表明该算法收敛速度快，稳定性好；③提出了一种基于样条函数拟和的学习算法，由于样条函数具有很好的柔韧性和二次光滑性，将网络输入函数和连接权函数用样条函数的形式表示，可把网络权函数训练的函数寻优问题转换为多元函数求极值的问题，从而可借助于现有的神经网络学习算法训练过程神经元网络；④建立了一种基于Walsh函数变换的学习算法，利用Walsh函数系的完备正交性，可大大降低网络计算的复杂度。

The system carried out common map's edit and operation function,fiber network's space and attribute data management function, can also carry on to the related data comprehensive analysis processing,It is helpful for the programming design and maintenance of fiber network. It can also improve the management efficiency of optical fiber network to raise the movement efficiency of network, promise a whole net the correspondence is unimpeded, exaltation customers satisfaction.

系统实现了常用地图编辑和操作处理功能、光纤网络的空间及属性数据管理的基本功能外，还能够对相关数据进行综合分析处理，为网络规划设计和维护管理提供辅助决策支持，从而对光纤网络进行全面的、有效的管理，提高网络的运行效率，保证全网通信畅通，提高客户满意度。

For the network topology found in a study of the key issues of network topology display of the contents of a summary, from the perspective of the agreement into several of the current network topology display technology research methods, each method on the realization of the mechanism discussed at the same time Each method and the use of the lack of final display of the network topology to the development trend of the future topological study of possible applications direction summarized.

针对网络拓扑研究中发现的关键问题，对网络拓扑展示的研究内容进行了概括，从协议的角度归纳了目前几种网络拓扑展示技术的研究方法，阐述了每种方法的实现机理，同时探讨了每种方法的使用范围和不足，最后探讨了网络拓扑展示的发展趋势，对未来拓扑研究中的可能应用方向作出了总结。

Every inch 3 Head to head 2400 can be custom-made, including: stainless steel net, cloth; Fe-Cr Wire cloth; type cloth seats, seat-type filters; liquid filters; cathode network; conveyor, person-shaped network; galvanized network; square network; steel net, stainless steel wire mesh, nylon window screening, fiberglass window screening, anti - mosquito, fly net, nylon net, nylon-like mesh points, polyester, cotton-lun, William Steiner, glass grid specifications, a variety of finished products have a substantial cash seimo; and so on, mainly used in petroleum, chemical, metallurgy, medicine, food, architecture, agriculture, highway facilities and many other industries, processing, customized, prompt delivery, about a period of not mistaken, at reasonable prices.

每寸3目到2400目都可以订做，其中有：不锈钢网、布类；铁铬铝丝布类；席型丝布、席型过滤网；气液过滤网；阴极网；输送带、人字型网；镀锌网；方眼网；钢板网、不锈钢窗纱、尼龙窗纱、玻璃纤维窗纱、防蚊、蝇网、尼龙网、尼龙分样筛网、涤纶、绵纶、纳纶、玻璃网格布规格、各种成品制网都有大量现货；等等，主要用于石油、化工、冶金、医药、食品、建筑、农业、公路设施等多种行业，加工定制，交货及时，约期不误，价格合理。

The sense of vertical throw is thus opposite to the general NW sideup thrusting of the Wenchuan rupture. We propose that it is due to the inheritance at shallow depth of the SEdipping fault of the klippen system in the south.

本文对高原新村附近的反向陡坎进行了深入的探讨，并综合前人的研究结果，认为是破裂在从深部往上扩展的过程中，在浅表部位顺着发育在虹口东南部的大鱼洞-龙溪飞来峰后缘的具南东倾向的断面继承而成。

Now they have ordered me to spy on you. The consequence will be the same.

现在他们命令我刺探你，接著将会发生同样的事。