查询词典 network topology

Secondly, the MAGA algorithm coding in binary is engaged to optimize the weights and topology of multi-layer neural network.

近年来，人工神经网络和遗传算法相结合的研究已引起了人们极大的关注。

The frame of 28 or 29 is formed by two-dimensional highly undulated simple layers of (6,3) topology that catenate in a parallel fashion to give, for the first time, a three-dimensional overall network, instead that a usual two-dimensional one.

首次将二维高度起伏的具有(6， 3)拓扑结构的简单层，通过一种平行方式相互铰链，广延成一种三维聚合网络结构。

The most common bus topology network is Ethernet.

最常见的总线拓扑结构的网络是以太网。

It is worthy of mentioning that complex 21 is the first (3, 4)-connected self-penetrating 3D polymer; complex 22 is the first two-fold interpenetrating trinodal 4-connected network with (64·82)(63·83)2(65·8) topology; complexes 23-27 all show three-fold interpenetrating networks, containing the rare (3, 4)-connected (63)2(64·8·10)3 net and the common diamond nets as well as α-Po nets.

值得注意的是，配合物21是第一个(3， 4)-连接的自穿插网格；配合物22是第一个二重穿插的三节点4-连接的(64.82)(63.83)2(65.8)拓扑网格；配合物23-27呈现三重穿插的网络结构，包括少见的(3， 4)-连接(63)2(64.8.10)3拓扑网格以及常见的金刚石网格和α-Po立方格子。

The research of this paper is began with the analysis the geographic spatial character of the UPTN, and designs the UPTN data mode based on GIS. Then, based on the good exhibiting all kinds of topology of the UPTN, and combined with the technology evaluation standards of the UPTN, this paper builds the UPTN planning mathematic model, and puts forward the quantitative calculation of the UPTN evaluation standards based on GIS; brings forward the arithmetic of the optimal path of the UPTN based on the public traffic network storage structure; designs the bus lines grouping management model, and realizes the contradistinctive evaluation of the UPTN planning projects based on GIS.

论文研究的重点内容是从分析城市公交网络中地理空间实体的特征开始，设计基于GIS的城市公交网络数据模型，在有效表现公交网络拓扑关系的基础上，根据公交线网技术评价指标，建立基于GIS的公交线网规划的数学模型，并给出公交线网评价指标的GIS量化计算方法；提出以公交线网数据存储结构为基础的公交网络最优路径算法；设计公交线路分组管理模型，实现公交线网规划方案对比分析。

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。

The fourth chapter takes one topology; i.e.; network of ringy and radial road surrounding one central city as an example to analyze structure characters of urban agglomeration highway transport network.

第四章以单中心环放式形态为例进行城市群公路交通网络结构分析。

The invention discloses an elastic sectionalization ring address binding method in the network transmission technological domain, which is characterized by the following: realizing the binding of RRP ring node MAC address and IP address through ATD frame in the extended RPR protocol; without adding extra system resource consumption; converging rapidly for topology after the RPR looped network occurs switching; providing address binding information for over three layered report to transfer and utilize.

本发明涉及传输网络技术，公开了一种弹性分组环地址绑定方法，使得在不增加额外系统资源消耗的情况下实现RRP环节点MAC地址和IP地址的绑定，并且在RPR环网发生倒换后，拓扑可快速收敛。本发明中，通过扩展RPR协议中的ATD帧，在广播ATD帧的同时携带MAC地址和IP地址绑定的信息，实现所有RPR环节点的MAC地址和IP地址的绑定，该地址绑定信息可供三层以上报文转发使用。

The main works of this paper are as follows.First, according to the three-step method, 1-D unsteady flow model in river network is introduced. A new topological structure is presented to describe and store the topology information and data in river network ,which realises the connection between GIS and the numerical program of hydraulic calculating and turns the program into a universal one .A new formula of internal boundary conditions with double-recursion algorithm is deduced, and the relationship of recursive coefficient between imaginary channel length and non-imaginary channel length is presented ,which makes sure that the model can comprise the numerical simulation of the internal boundaries such as side pipe outflow ,barrage, slice gate and drainage pump station.

主要工作如下：(1)根据三级解法建立了一维河网非恒定流模型，并提出了一种新的数据结构来描述和储存河网拓扑信息，方便了GIS平台和数值计算程序的衔接，实现了三级解法程序的通用性；从河段方程组出发，根据虚设河段法推导出了内边界条件的双追赶法公式，指明了虚设河段的追赶系数和非虚设河段追赶系数的关系，从而使模型可以模拟集中旁侧入流、堰、闸、水泵等内边界对行洪过程的影响。

Therefore, as one of the most perspective applications, P2P streaming system has become one of the hotspot of P2P research.This paper conducts in-depth research on several basic issues of P2P streaming system, including the design of P2P overlay network, optimizing the topology based on underlay network, managing member nodes, and scheduling dynamic data set between data sending nodes to obtain minimum delay, etc.

本文针对大规模流媒体应用部署中的若干问题对P2P流媒体技术进行了深入的研究，从覆盖网结构、节点管理、数据分发以及异常处理等方面分析比较了几种典型的P2P流媒体系统模型，针对解决当前主流的图状拓扑模型在实现中存在的组播结构不稳定、异构性节点适应性差、数据调度效率低、开销大等问题，提出了一套完整的面向大规模网络视频直播的P2P流媒体系统AVStreamer的设计和实现。

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。