查询词典 network topology

First, the satellite constellation topology and the satellite network are introduced in this paper. A comprehensive overview on LEO satellite network routing algorithm research status is given, including the comparisons of several major LEO satellite network routing protocols like DT-DVTR(Discrete Time Dynamic Virtual Topology Routing)、AR and FSA.

本文首先介绍了卫星星座的拓扑结构和卫星网络的组网方式，对LEO卫星网络路由算法研究现状进行了综述，对主要的几种LEO卫星网络路由协议如DT-DVTRDiscrete Time Dynamic Virtual Topology Routin(来源：554fABC论文网www.abclunwen.comg、AR和FSA等进行了详细的比较并论述了它们具有的优点和存在的缺点。

Based on factorization method the network topology of radial power network and the topology of factor graph are analyzed and it is proved that they two topologies are the same, on this basis a Newton power flow algorithm that possesses similar program to branch-oriented forward/backward sweep algorithm is developed.

基于图上因子分解法对辐射状电网的网络拓扑和因子图的拓扑进行了分析，证明2者是相同的，在此基础上开发了与面向支路的前代、回推法具有相似程序实现形式的牛顿潮流算法。

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。

Firstly, combine the feature of geographical network topology model and rail traffic, the advantage and disadvantage of two geographical network topology are analyzed, the whole process of Digital Track Map modeling is studied according to the above modeling method.

首先，论文结合地理网络拓扑模型和轨道交通的特点，分析了两种地理网络拓扑数据模型的优缺点，并将两者结合起来研究了数字轨道地图建模的全过程。

The proposed network topology identification algorithm in this paper requires no support from internal nodes, it infer network internal performance and topology by using end-to-end measurement.

提出的网络拓扑推断算法不需要网络内部节点的协作，通过端到端测量推断网络内部的性能特征和拓扑结构。

Hierarchizing and decomposing the triangular incidence matrix, topology information of network is extracted, which is suitable for network topology identification of common tree structure, even suitable for network topology identification of the structure with parallel branch.

这种方法适用于实际应用中常见的树状结构拓扑的辨识，甚至适用于带并联支路的网络拓扑辨识。

There are complex variations in realistic low-voltage power line network topology framework.In order to study the low-voltage power line transmission channel model,a model to describe the power line network channel topology framework is established in terms of basic characteristics of low-voltage power line network in this paper.

低压电力线网络拓扑结构变化复杂，为了研究低压电力线信道传输模型，根据低压电力线网络的基本特点建立了描述电力线网络拓扑结构的模型，利用模型把低压电力信道作为一个过程去描述，建立了节点信号传输函数来推导低压电力线网络的传递函数。

It can be followed adaptively to the change of network topology and transferred the complicated radial network into simple trunk network set. Dynamic topology logic equivalent decoupling and subarea is realized by the dynamic topology analysis under the normal network operation condition. It can reduce the fault disposal time availably. The problem of fault analysis disposal is simplified and the efficiency of problem solving is improved.

它能自适应跟踪网络拓扑结构变化，将复杂的辐射网的故障分析处理问题转化为简单的树干网集合的形式，拓扑逻辑等效解耦与分区是在网络正常运行状况下进行动态拓扑分析实现，可有效节省故障处理的时间，简化了故障分析处理问题，提高了问题的求解效率。

One of the reasons is that the construction of the peer overlay in existing P2P systems has not considered the underlying physical network topology and can cause serious topology mismatch between the P2P overlay network and the physical network.

其中一个原因是，建设同侪重叠在现有的P2P系统没有考虑到背后的物理网络拓扑，并可以引起严重的拓扑结构不协调的P2P重叠网络和物理网络。

After power-law being represented,some network topology models emerge.But these models do not involve any reference to underlying geometry.In order to solve this problem,this paper proposes an improved network topology model based on heuristically optimized trade-offs,which generates topology with the power of law,and has an appropriate amount of leaf nodes.It is closer to the real characteristics of the Internet.

幂法则提出以后，出现了一些符合幂法则的网络拓扑模型，但是这些模型没有充分考虑到底层节点的几何排列，针对这种情况，提出了一种改进的&启发式最优化平衡&网络拓扑模型，生成的拓扑图符合幂法则规律，且具有适当数量的叶子节点，更加接近互联网真实特征。

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。