网络拓扑结构

In order to form wireless multihop networks with low energy,high connectivity,low interference and desirable route,the paper applied topology controlment scheme based on game theory and designed a novel utility function.

为了构建低耗能、高连通性、低干扰并具有合理路由的多跳无线网络，应用基于博弈论的网络拓扑结构控制解决方案，为节点设计了一种新颖的收益函数。

The "crunode" model conception is proposed.

结点"包含网络拓扑结构中所有的"节点，是连接网络其他图形模型的交叉点。

To meet the need of large scale data switching, circuits cascading technique is used to expand the two-layer optical interconnection network.

在星型光互连网络基础上，采用混合型网络拓扑结构设计了二级光互连网络。

ABSTRACT Hypercube network is one of the most important and attractive network topologies so far.

超立方体网络是迄今为止最为重要和最具吸引力的网络拓扑结构之一。

Neural networks ; multiple objective programming/fuzzy optimum selection ; topologic structure of network ; stimulation function ; adjustment of weights

神经网络；多目标规划／模糊优选；网络拓扑结构；激励函数；权重调整

The former firstly establishes state graph of power system, and then, with the use of the adjacency matrix and path matrix of the directed graph, fast finds out the key transmission sections suffering greatly from the outages of overload lines through simple calculation of matrix.

前者根据实时网络拓扑结构和潮流分布状态，在对初始电力网络简化、分区的基础上，利用有向图的邻接矩阵与路径矩阵，通过简单的矩阵运算，快速识别出与过载线路相关的关键输电断面；后者直接利用系统各支路的阻抗，从图论算法的基本思想出发，搜索最易遭受大负荷转移的关键传输路径，从而将安全性分析目标从整个网络缩小到某些关键的输电线路。

The former firstly establishes state graph of power system, and then, with the use of the adjacency matrix and path matrix of the directed graph, fast finds out the key transmission sections suffered greatly from the outages of overload lines through simple calculation of matrix. In the latter, the minimal short transmission path, the length of which is calculated with line impedance, is determined with graph theory to focus on security analysis objects from the whole network to some key transmission lines.

前者根据实时网络拓扑结构和潮流分布状态，在对初始电力网络简化、分区的基础上，利用有向图的邻接矩阵与路径矩阵，通过简单的矩阵运算，快速识别出与过载线路相关的关键输电断面；后者直接利用系统各支路的阻抗，从图论算法的基本思想出发，搜索最易遭受大负荷转移的关键传输路径，从而将安全性分析目标从整个网络缩小到某些关键的输电线路。

The scheme places a few of Regional Mobility Agents to distributedly manage hosts' mobility in region. An algorithm is presented for MH to decide its RMA and regional size in terms of its mobility characteristics and some informed network parameters, which results in minimum signaling cost and packet delivery cost, but does not impose any restrictions on network's topology and RMAs' locations.

该方案在网络中放置多个区域移动代理来实现分布式的域内主机移动管理，并提出一种由主机根据自身的移动特点及获悉的网络参数动态地选择区域移动代理和区域大小的算法，该算法使得主机在域内产生的信令代价和分组传递代价达到最小，且没有对网络拓扑结构和区域移动代理的位置做任何强制性要求。

In this paper, we combined with mobile agent and probability coverage model to supervise the networks topology. In order to keep the performance of network, we will let the excrescent sensor sleep and save the power of the network.

本文主要采用移动Agent技术结合使用概率覆盖模型对移动自组网络拓扑结构进行管理，在保证网络性能的同时，使冗余节点进入睡眠状态，减少网络的能量消耗。

All the ways such as VLAN, export router, IPv6, security policy, hardware firewall, anti virus software of net work-edition and management of information security are applied to the project to implement the optimization and revamps of campus network topology structure and the updating of the overall performance.

以青岛职业技术学院校园网二期改造工程为背景，根据国际化标准，研究了校园网设计原则，在分析了学院校园网一期工程性能缺陷和示范院校建设新需求的基础上，从功能扩展、网络安全及管理等各个方面进行了整体方案设计，详细研究了网络各层设计及设备选型，采用VLAN、出口路由处理、IPv6技术、安全策略、硬件防火墙、网络版防病毒软件以及各种信息安全管理等技术与手段，实现了校园网络拓扑结构的优化改造和整体性能的升级。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。