查询词典 communication protocol

Aiming at the complexity of DSRC (Dedicated Short-Range Communication) protocol, the fuzziness and ambiguousness resulted from the natural language of the protocol, the protocol engineering method is adop ted to guarantee the integrality, correctness, security, portability and standardization of the protocol.

针对专用短程通信协议的复杂性以及协议本身由自然语言承载、存在模糊性和二义性的特点，采用协议工程方法来保证协议的完整性、正确性、安全性、可移植性和标准化，并采用SDL对DSRC协议进行形式化描述，在此基础上提出了DSRC协议验证的步骤和实现方法，并对所开发的协议SDL模型进行验证，结果表明了协议的逻辑正确性。

Lastly, the communication mode and the communication protocol of the communication system in DAS are discussed.

最后，论文讨论了配电网通信系统的通信方式和通信规约的选择，提出了一种基于Internet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。

To meet the demands for expeditiousness, reliability and flexibility of communication in the monitoring and protecting unit, CAN Bus, one of the most widely used FCS, is applied. The CAN communication protocol of substation's bay unit based on CAN Bus is instituted in detail. The hardware circuit and software flowcharts to realize the protocol are also given.

为了满足测控保护单元对通讯实时性、可靠性、灵活性的要求，使用了国际上应用最广泛的现场总线之一CAN总线，详细制定了基于CAN总线的变电站间隔层CAN通讯规约，并给出了实现该规约的硬件电路及软件流程图。

In order to realize the normal data communication between each part of the system, we adopt serial communication and parallel communication technology, and design the communication protocol.

为了实现系统各部分之间正常的数据通信，本课题采用了常用的串行通讯和并行通讯技术，并制定了一套完整的通讯协议。

There has also introduced a multi-function human scale of the control module and other parts of the communications, with the keyboard and display and voice communication is part of the serial communication but also to establish communication protocol, and the printer is parallel communication.

除此以外还介绍了多功能人体秤主控模块部分与其他部分的通信，与键盘显示和语音部分的通信是串行通信还要建立通信协议，而与打印机则是并行通信。

For the breaker's "four remotion" communication requirements, the paper studies Modbus fieldbus communication protocol which is widely used in low-voltage electrical fields, and bring forward a plan of intelligent controller communication network based on Modbus fieldbus, which realizes the communication of intelligent controller and PC, and is good for the PC's centralized monitoring and management to the intelligent breaker.

针对断路器的"四遥"通信功能要求，论文研究了在低压电器领域广泛使用的Modbus现场总线通信协议，提出了基于Modbus总线的智能控制器通信网络设计方案，实现了智能控制器和PC机的双向通信，有利于实现PC机对智能化断路器的集中监控和管理。

The design of graphics module is based upon vector graph. Database module includes three tables. They are reading data table, writing data table and web data table. The realize of communication function and self-define communication protocol between client and embedded server in communication module is based upon socket communication theory.

其中图形库模块中界面图形的设计主要是运用基于图元的方法；数据库模块中数据的存储主要设计了三个记录表：读入数据记录表、写至数据记录表和网页数据记录表；通信库模块中的通信功能以及客户端与嵌入式服务器端的自定义通信协议，是在Socket通信原理的基础上实现的。

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。

Several measurements, such as decreasing redundant operations at underlying protocol stack, reducing OS interventions and the overheads of protocol self-maintenance, are used in DOSTP to improve the performance of communication protocol.

该协议精简协议栈底层冗余操作，减少操作系统干预和协议自维护开销，同时维持了通用的用户编程接口。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。