查询词典 communication protocols

The system includes a plane-carried communication subsystem, a satellite communication subsystem, and a ground communication subsystem, wherein, the ground communication subsystem includes a first communication terminal, a second communication terminal, and a ground communication network. The ground communication subsystem also includes an incoming transfer subsystem. The first communication terminal's calling to the second communication terminal is transferred to the corresponding fixed satellite communication terminal through the ground communication network, the satellite communication terminal, and plane-carried communication subsystem according to the correspondence of incoming call transfer.

本发明系统包括机载通信子系统、卫星通信子系统和地面通信子系统，其中，所述地面通信子系统包括第一通信终端、第二通信终端、地面通信网，所述地面通信子系统还包括来电转接子系统，所述地面通信子系统中第一通信终端向第二通信终端的呼叫按照来电转接对应关系依次通过地面通信网、卫星通信子系统、机载通信系统子系统转接到对应的固定卫星通信终端。

Taking the communication server as the core,the data transmission layer collects data from other intelligent devices with 103 protocols,Modbus protocols,pro-bus protocols or TCP / Modbus protocols,which are converted as dual Ethernet network data and then transmitted to monitoring system and dispatch center via hub.

重点介绍了通信网络的构成，网络管理层基于TCP/IP的以太网络通信，采用站内103通信规约，数据传输层以通信服务器为核心，向下采集其他智能设备数据，支持任何采用103规约及采用Modbus通信规约、pro-bus通信规约或采用TCP/Modbus协议的智能设备，并将采集到的数据转换成以太网双网数据，通过交换机上传至监控系统及调度中心。

But many problems still unresolved due to the disaccord of the electrical communication protocols which relevant to the types of ammeters, communication channels, and bring the disadvantage to the electrical charge systems integration, maintenance and upgrading. For solving the interoperation of power communication protocols, DLMS UA proposed a new communication protocol called DLMS /COSEM which world widely used and accepted as international standard by IEC and TC13 in recently years. The research in this area has just begun in China.

但是，这些系统由于选用的电能表型号不同、通信信道类型多种多样，而造成电能表通信协议不统一，给集中抄表带来了系统集成、维护和通信信道维护及升级困难等诸多问题，为了解决电能表通信协议的互操作性问题，DLMS用户协会提出了一种新的通信协议—DLMS／COSEM，目前已由IEC、TC13采纳作为国际标准，近年来在全世界范围得到了应用，我国在这方面的研究刚刚起步。

The communication systems wildly used nationally and internationally, such as audio frequency wire communication, carrier-current communication, micro-wave communication, optic-fiber communication, expanding frequency communication and satellite relay communication, are investigated in detail. The different communication systems used in Changsha County electric power systems are analysed in detail.

对目前国内外使用较多的一些通信方式如音频线通信、载波通信、微波通信、光纤通信、扩频通信、卫星帧中继通信等进行了较为深入的分析和研究；对目前长沙电力局正在使用的变电站与调度端的通信方式——进行性价比方面的分析比较，综合以上，得出了最为合适的变电站到调度端的通信方式。

Firstly, the characteristics of CAN bus are analyzed and it's reliability、expeditiousness and flexibility are tested. A communication network of substation automation system constructed on CAN bus is presented and confirmed. Secondly, the dissertation discusses the main structure of substation automation system, as well as the content and request of substation digital communication. According to this, it gives the project of constructing the substation CAN communication network and the communication protocol. And according to different requests of power system, it makes research and tests of the calculation of the communication parameters in the network. Communication manager is the key to communication network based on CAN bus.

论文首先分析了CAN总线的特性，对其可靠性、实时性、灵活性进行了实践验证，确定了用CAN总线来构建变电站综合自动化系统数据通信网络的可行性，并在对变电站综合自动化系统的结构及数据通信的内容和要求做了研究和分析的基础上提出了基于CAN总线的变电站综合自动化数据通信网络的构建方案，编制了相应的基于CAN总线的变电站综合自动化系统通信协议，同时针对电力系统的不同要求，对CAN总线通信网络中通信参数的计算进行了研究和验证。

In research,"Intercultural communication" is used as an overall term for international communication, cross-cultural communication, interracial communication, interethnic communication, intracultural communication, and intergroup communication, etc.

在学术研究中，「文化交流」通常被笼统的用予国际交流、跨文化交流、异种族交流、异民族交流、同文化交流、异群体交流等等。

As a new kind of communication medium, the internet has the features of the intercrossed communication methods ~. multi-media communication means .~ the digital information communication~ equal communication body.. unlimited communication. It has brought a great revolution in the communication domains in an unbelievable way.

作为一种新的传播媒介，互联网具有交互式的传播方式、多媒体的传播手段、数字式的信息传播、平等的传播主体、无限制的传播范围等特征，它正令人难以置信地使传播领域发生着巨大变革。

We present a SNMP-based topology discovery algorithm using direct connection theorem and simple connection theorem for judging relationship of switches in subnets. In order to in discover the map of network without SNMP, several key problems such as subnet guessing and multi-address routers are discussed in details. And then a topology discovery algorithm based on primitive protocols is presented. We also deeply study some routing protocols such as OSPF and BGP and propose a routing-protocols-based algorithm for topology discovery.

基于判断交换机互联的直接连接定理和间接连接定理，提出了一种完整的基于SNMP的拓扑发现算法；详细讨论了子网获取、多址路由器处理等关键问题，针对不同的网络环境给出了相应的解决方案，并以此为基础提出了一种基于通用协议的拓扑发现算法；在对OSPF，BGP等网络路由协议进行分析的基础上给出了一种基于路由协议的拓扑发现算法，并设计了一个自上而下的拓扑发现框架结构。

2In this paper ,we analyze some popular authentication protocols in the world now,such as Needham-Schroeder, Otway－Rees and Kerberos.The designing principles of electronic commerce protocols are introduced,such as Anonymity, Non－Reputation, Fairness and so on.The payment protocols for elcectronic commerce are introduced too.

对目前的一些典型的安全认证协议，如：Needham-Schroeder、Otway－Rees、Kerberos等进行了简要的分析，阐述了电子商务协议的设计原则，如匿名性、不可否认性、公平性、安全性等，介绍了相关的电子支付协议，并讨论了安全协议设计和分析中所要注意的一些问题。

First of all, this paper concludes the general research routine and procedures in wireless mesh networks and introduces related research methods and results of different procedures: firstly, it makes classification and comparison of the classic routing protocols in mobile ad hoc networks; secondly, it introduces several ways in which the classic ad hoc routing protocols can be modified to be used in the wireless mesh networks; thirdly, it makes detailed explanations of some typical routing protocols in each way above.

首先本文总结了无线Mesh网络路由协议的一般性研究路线，并按该研究路线的各阶段分析和总结了相关的研究方法与研究成果：先对移动Ad hoc网络的经典路由协议进行分类和比较；在此基础上总结了将Ad hoc路由协议应用于无线Mesh网络的几种主流的改进思路；最后对各种改进思路的代表性路由协议进行了分析和讨论。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我