Peer-to-peer systems are often implemented as an abstract overlay network built at the application layer on top of the native or physical network.
对等系统常常实现为一个抽象的覆盖网络，构建于原生或物理网络之上的应用程序层上。
The two bottom layers, called the physical layer protocols, take care of the actual signal transfer over the network cable.
称为物理层协议的两个底层处理网络电缆上的实际信号传输。
Each layer employs the services of the layer underneath, which enables a top layer protocol to transmit messages over the physical network.
每个层都使用下面一层的服务，这使得顶层协议能够在物理网络上传输消息。
Cloud computing is made up of a variety of layered elements, starting at the most basic physical layer of storage and server infrastructure and working up through the application and network layers.
云计算是由多种分层的要素组成，从最基本的物理层存储和服务器基础架构开始，以及应用层和网络层。
Technical regulation of CAN Bus network is lucubrated and Data Link Layer and Physical Layer in hierarchy structure of CAN Bus is described.
研究了CAN网络协议的技术规范，描述了CAN总线的分层结构中的数据链路层和物理层。
For super capacitor of physical characteristics, there are three model of the Electric Double Layer capacitor that series RC model, nonlinear RC network model and the linear RC network model.
针对超级电容器的物理特性，提出了双电层电容器的三种等效模型，即串联rc模型，非线性RC网络模型和线性RC网络模型。
The thesis chooses the four-layers structure as the rudiment of our protocol stack system, which includes physical layer, data link layer, network layer and application layer.
本文选择了四层结构作为协议栈体系结构的雏形，即：物理层、数据链路层、网络层、应用层。
So, it is necessary to study key technologies of physical layer of optical network.
因此有必要对光网络物理底层关键技术进行研究。
It is based on the shortest queue length of nodes and designed by crossing network layer, MAC layer and physical layer.
该算法通过节点最短队列长度，把网络层、MAC层和物理层协同起来。
Application layer research is mainly focused on protection against attacks and virus, and managing to realize the combination of application layer, network layer and physical layer.
应用层安全主要研究对攻击、病毒的防护，并设法实现应用层、网络层以及物理层结合的溯源。
The unreliability of wireless links and the broadcast property of physical layer provide a good platform for the application of network coding in wireless networks.
无线链路的不可靠性和物理层广播特性非常适合采用编码，为网络编码的应用提供了一个良好的平台。
This paper mainly discussed the technology of frequency management of communication network based on the physical layer and the data link layer.
本文主要研究了基于该协议物理层和数据链路层的通信网频率管理技术。
But the intrinsic error exists in PP model for the effect of the data link layer and physical layer, and the incorrect result is obtained by filter algorithm when the network load is heavy.
由于受数据链路层和物理层的影响，PP测量模型本身存在着固有的测量误差；当网络负载较重时，PP测量模型就不能够通过过滤算法得出正确的测量结果。
OSI/RM classify the structure of the network into application layer, presentation layer, session layer, transport layer, network layer, data link layer and physical layer.
OSI/RM将计算机网络将网体系结构划分为应用层、表示层、会话层、传输层、网络层、数据链路层和 物理层七个层次。
Like ISDN and DSL, HSSI operates at the physical layer of a network, using the standard Open Systems Interconnection (OSI) model.
像ISDN和dsl,HSSI运营网络的物理层，使用标准的开放系统互连(osi)模型。
The structure of physical layer, link layer and application layer was applied in field-bus of network control, data was gained through cyclic query of principal and subordinate PC in link layer.
控制网络现场总线采用物理层、链路层和应用层结构。链路层以主从循环查询获取数据。
Joining a engineering, this paper gives the high speed and low consuming circuit of network communication based on the microprocessor of S3C4510B, it takes DM9161 as a physical layer interface.
文章结合工程实例，基于S3C 4510 B微处理器构建了以DM 9161为以太网物理层接口的低功耗、高速硬件电路。
Because all kinds of equipments in Ethernet must be though the physical layer interface devices can connected with network transmission media, thus this part mainly introduces the physic...
由于以太网中的各种设备必需通物理层接口器件才能与网络传输介质相连，因此本部分主要介绍物理层器件。
The ultra wide band (UWB) wireless communication technology is supposed to be used in physical layer of the wireless personal area network (WPAN) and next generation Blue Tooth.
超宽带（UWB）是一种具有广泛应用前景的短距离无线通信技术，被采纳为无线个域网（WPAN）以及下一代蓝牙通信的物理层。
NS was used to establish UWB network model and implement a MAC protocol combining the coding technology of the physical layer. It was compared with several traditional MAC protocols.
文中运用NS网络仿真软件搭建了完整的UWB网络环境，实现了一种融合物理层编码技术的MAC协议，并与几种传统的MAC协议进行了仿真分析比较。
NS was used to establish UWB network model and implement a MAC protocol combining the coding technology of the physical layer. It was compared with several traditional MAC protocols.
文中运用NS网络仿真软件搭建了完整的UWB网络环境，实现了一种融合物理层编码技术的MAC协议，并与几种传统的MAC协议进行了仿真分析比较。
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