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- Functions of Data Link Layer 数据链路层的功能
- It is applicable for the secondary development. The gateway has implemented communication functions of CAN bus,RS485,RS232 and Ethernet on both physical and data link layers. 该网关在物理层和数据链路层实现了CAN总线、RS485、RS232和以太网的通信功能,在此基础上可以快速地实现以上几种接口的高层协议并对其进行相互转换。
- It is applicable for the secondary development.The gateway has implemented communication functions of CAN bus, RS485, RS232 and Ethernet on both physical and data link layers. 该网关在物理层和数据链路层实现了CAN总线、RS485、RS232和以太网的通信功能,在此基础上可以快速地实现以上几种接口的高层协议并对其进行相互转换。
- This paper introduces a method for realize multiple timers by using a single timer.It is based on the ARQ protocol model of data link layer, and can be used after modification in some protocols. 本文介绍了一种用单个定时器模拟实现多个定时器的方案,该方案以数据链路层ARQ协议模型为基础,经过修改可以很容易地应用于各种通信协议。
- In high level data link control (HDLC), the part of data station that supports the primary control functions of the data link, generates commands for transmission, and interprets received responses. 在高级数据链路控制(HDLC)规程中,数据站的一部分,它支持数据链路主要控制功能,产生传输命令及解释收到的应答信息。
- Simulation of data link layer protocols for underwater acoustic networks 水声通信网数据链路层协议仿真研究
- DESIGN AND IMPLEMENTATION OF DATA LINK LAYER COMMUNICATION MODEL OF CONTACTLESS CARDS 非接触卡数据链路层通信模型的设计与实现
- Being important equipment, high rate multiplexer plays a key role in the function of the space data link network. 高速复接器作为空间飞行器星上网络的关键设备,其性能对整个空间数据网络的性能起着重要影响。
- The association analysis is one of the widely used functions of data mining. 关联分析是数据挖掘诸多功能中应用最广泛的一种。
- Can realize the process of data transmission functions of CRC checksum cycle. 可实现数据传输过程的crc循环校验功能。
- Submission of batches of data through an input unit that has access to a computer through a data link. 借助输入设备,经由数据链路向计算机成批提交数据。
- The structure and principle of MVB are introduced.And a new architecture of data link and network layers based on MCU and CPLD chips is provided. 给出了该现场总线的基本结构和原理,叙述了可编程器件实现数据链路控制和物理接口的方法,并描述了多功能车辆总线的应用前景。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- Reliable delivery guarantees that a stream of data sent from one device is delivered through a data link to another device without duplication or data loss. 可靠的传送保证从一设备送出的资料流经一个资料连结,传送给另一设备不会有重复或资料遗失。
- The organization of data within a record or file. 记录或文件内的数据组织形式。
- An accumulation of data to be processed. 要处理的数据的一种聚集。
- What is the function of a Layer 2 switch? 层2开关的功能是什么?
- Introduces the protocol of data link based on HDLC and the realization by using VB language.The protocol is used to realize the credible communication between singlechip and PC. 介绍了一种基于HDLC的数据链路层协议,实现了单片机和PC机之间的无差错数据通信,并使用VB语言实现。
- An addressable digital data link system which permits the exchange of data and messages between an aircraft and a ground-based operations center over a radio network. 一种可寻址的数据通讯系统。利用该系统可使飞机与地面操作中心通过无线电网络进行数据和信息的交换。
- In DPPX,an integrated function of PL/DS that is used to obtain the address of data. 在分布式处理程序的执行程序(DPPX)中,用以获得数据地址的PL/DS的集成功能。
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