查询词典 Ethernet

This article uses 32 bits ARM microprocessor as the core to build up an imbedded application system which makes signal detection, Ethernet communication and autodial function integrated. Based on this system this article builds up an Ethernet-based distributed embedded monitor system for the geographically dispersed telecommunication rooms for RMON(which stands for Remote Monitoring)and unified management.

本文以32位ARM微处理器为核心，构建了一种集信号检测、以太网通信和自动派障于一体的嵌入式应用系统，并以此为基础构建了基于以太网的分布式嵌入式监控系统，用于对地域上分散的电信机房进行远程监控，统一管理。

The 2000 series Ethernet Switch was designed by ZTE corporation up to date, which was located in the core networking. And it also could be used in WAN and MAN.In practical networking, there is "Broadcast storm(the network is blocked by too many broadcast packet)"as a result of ethernet ring, which seriously effect the network cap- ability.

2000系列以太网交换机是中兴通讯股份有限公司最新研发的、具备路由功能的以太网交换机，定位于企业网的核心层和汇聚层，能够应用于运营商网络，作为电信城域网的汇聚交换机、接入交换机来使用。

Now ETHERNET is used to control unit and set up network control system with ETHERNET appearance and rapid development.

随着INTERNET概念的出现和以太网的迅速发展，人们开始利用现有的以太网络对设备进行控制，建立了网络控制系统。

The focus that switched Ethernet is applied in the networked control system is ability of real-time.For this,a new analytic tool:network calculus is used to determinately analyze the special performances of the real-time data via a switched Ethernet.

交换式以太网在网络控制系统中的应用关键问题是实时能力，为此采用一种新型实时性能分析工具——网络演算，对交换式以太网实时能力进行确定性的分析和研究。

Ethernet data stream with HTML format and DVB-C data stream with MPEG2 format is inputted in form of ASI and SPI, and send it into FIFO via 74F675A. 5416 packs and encrypts and transfers to DVB-C and Ethernet by time diplex mode. Thereby, data bus access is realized.

HTML格式以太网数据流和MPEG2格式DVB-C数据流以ASI和SPI形式输入，经74F675A串并转换进入FIFO.5416进行打包和加密并以时分复用方式传输DVB-C和以太网数据，实现数据总线访问。

With the rapid development of Ethernet, industrial Ethernet takes an important role in the industrial control system.

随着以太网技术的迅猛发展，工业以太网在工业控制领域扮演着越来越重要的角色。

According to the demanding of network support system in the domain of industrial control, and referring to the design principle of commercial Ethernet, this paper designs structure of industrial Ethernet which is based on delaminated structure and afford a communication platform which is secure and stabile and mutual operation for industrial control system, at the same time designs a remote monitor system of industrial Ethernet which is based on Internet.

根据工业控制领域对网络支持系统的要求，借鉴商业以太网的设计原则和方法，设计了基于分层结构化工业以太网结构，拟为工业控制系统提供了一个安全、稳定、互操作性好的通信平台；同时，按照该设计思路和原则，本课题设计了一个基于Internet的工业以太网远程监控系统。

The application of industry Ethernet control system has realized the integrating of enterprises control system and the management information system without has carried aperture. The embedded web Ethernet control system based on TCP/IP protocol is run through each level of the control system. As a network node, the equipment on the spot, equipment engineer and enterprise administrative staff are linked through Ethernet and form an organic whole .

工业以太网控制系统的应用实现了企业控制、管理信息的无缝集成，嵌入式web以太网控制系统基于TCP／IP贯穿于控制系统各个层次，将孤立的现场设备和设备工程师以及企业管理人员均作为一个网络节点通过以太网有机连接在一起，形成一个有机的整体。

In this situation, low cost ethernet technology is introduced into metropolitan network. ring network control protocol is also adopted for ring networking. ring network protection technologies are applied to guarantee the manageability and reliability of telecom network. ethernet ring network objectives are defined in the protocol draft itu-t g.8032, and carrier ethernet ring technology is also standardized.

为了适应这一转变，人们将低成本的以太网技术引入城域网络中，同时采用环网控制协议进行环形组网，利用环网保护技术来实现电信网络要求的可管理性及可靠性。itu-t g.8032给出了以太环网的组网目标及定义，规范了电信级以太网环网技术。

In High-avail, made a concept of Redundancy Manager, and put forward some ethernet ring structures on the base of it. We can find these meet different levels of Avail requirement. In Real-time, it made great improvement on traditional ethernet. Adopted switch technology, high-speed ethernet, full-Duplex port switch, data prioritisation, and VLAN technology.

在高可靠性方面，提出了冗余管理器的概念，在它的基础上形成的几种以太网环网结构，可以满足不同层次的可靠性要求；在实时性方面，对传统以太网加以改进，采用了交换技术、高速以太网技术、全双工端口交换的方式、优先级标志技术、虚拟网技术等新技术。

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。