半双工

外围采用半双工无线电台与GPRS模块实现多塔机间的数据交换及远程数据反馈。

Half-duplex wireless radio and GPRS module are used for data exchange and remote information feedback .

半双工RS-485收发器的发送电路设计

The design of transmitting circuit of half-duplex RS-485 communication transceiver

半双工协议的Petri网分析及FPGA实现

An Analysis of Semiduplex Protocol Based on Petri Nets and Its FPGA Implementation

不管基本传感元件是电压、电流，还是电阻基的，所有通信都是在采用半双工1－Wire协议的网络上进行的。

Whether the essential sensing element is voltage , current , or resistive based , all communication occurs over the net using half-duplex 1-Wire protocol .

根据设计要求以及CMOS工艺的可实现程度，最终采用的是半双工收发机结构。

According to the design requirements as well as the feasibility in CMOS technology , half-duplex transceiver is employed eventually .

基于时延约束的半双工短波数据通信ARQ技术

ARQ protocol based on time delay in half-duplex HF data communication

半双工RS-485通讯中继器的设计

The Design of RS-485 Repeater in Half-Duplex Communication

一种有效的水声通信网络中用于半双工信道的ARQ协议

An efficient ARQ protocol for half-duplex channels in underwater acoustic communication systems

一种实用于无线半双工信道的ARQ差错控制方案

An error control scheme for radio half duplex channel

一种半双工EPON接入方案

A Half-duplex EPON Access System

NS是网络模拟常用的工具，但它本身并不包含半双工链路模型。

The NS is a common network simulator , but there is no half-duplex link model in its component base .

IEEE正在实施对全双工快速以太网进行标准化计划，这将在目前半双工的实施方法上提高带宽。

The IEEE is moving ahead with plans to standardize full-duplex Fast Ethernet , which will raise bandwidth beyond current half-duplex implementations .

利用RS-485总线完成各测试点与从机间的半双工通信。

It uses RS-485 concentration line to fulfil the semi-duplex communication between the monitoring points and the subordinate computer .

RS-485的三态能力允许以半双工通讯的方式分享传送和接收信号的一对导线。

The tristate capabilities of RS-485 allow a single pair of wires to share transmit and receive signals for half-duplex communications .

本文介绍了一种模拟UART接口的方法，可以实现半双工的UART通信，为以上应用提供一种解决方案。

This paper introduces one method of simulation UART , realizes half-duplex UART communication that provided a method .

HDR的一个特点是它使用半双工通信协议，因此对网络延迟非常敏感。

One characteristic of HDR is that it uses a half duplex communication protocol and thus is sensitive to network latency .

系统采用半双工式RS-485总线型通信网络和累加和校验通信算法进行数据传输。

System adopts RS-485 bus communication network which way of communication is half duplexing and accumulate and check-up communication algorithm , which are carried on data transmission .

通过应用割集定理，推导得到了半双工中继系统中采用连续转发（SuccessiveRelaying，SUR）策略时系统可达速率的上界。

The expression of the upper bound for the achievable rate in Successive Relaying ( SUR ) protocol is derived by using the cut-set theorem for half-duplex systems .

文中首先讨论在NS网络仿真软件中对半双工链路的建模，进而研究TCP/IP在半双工信道上的性能。

In this paper , we first discuss how to set up a half duplex model in NS , and then study the performance of TCP / IP protocol running on half-duplex channel .

最初为了克服半双工模式中继的缺陷，学者们将其引入LTE-A系统。

Scholars brought network coding into LTE-A system with the original purpose of overcoming the shortcomings of Relay of half-duplex mode .

该交换机支持10M／100M自动协商，半双工和全双工模式，实现了无阻塞全线速交换，支持流量控制，错帧和广播、多播帧的过滤，支持基于端口的VLAN。

The switch ! ' supports 10M / 100M automatic negotiate , half-duplex and full-duplex mode operations , line switching , flow control , address learning , and port-based VLAN , etc.

介绍一种用VC++创建的动态链接库DLL，应用于收发一体半双工短波电台的短波MODEM软件编程，并分析短波MODEM与计算机串口通信实现的方法，详细阐述其通信编程中几个关键技术。

This paper introduces a type of shortwave MODEM software program applied in a semiduplex SW transmitter-receiver , analyses the realization of communication between SW MODEM and computer serial port and thoroughly relates several key techniques of communication .

本文的工作通过了XXX单位组织由数字集群终端、信道机和基站组成的数字集群系统在网初样评审验收测试，实现了半双工和双工的单呼、组呼及短消息的功能。

The work of this paper has passed the assessment of the early acceptance testing , achieving the half-duplex and duplex single call , group call and short message functions .

通过分析TCP连接的源端IP队列的周期突发特性，说明在无线半双工链路中即使只有单个TCP连接且无拥塞也会产生ACK聚集现象。

By analyzing the periodic burst behavior of the source IP queue , we show that the problem of TCP ack compression re appears even while operating over a half duplex channel with one way TCP connection and without congestion .

为逼近解码前传半双工中继信道容量，该文提出一种协作LDPC编码结构及度分布优化方法。

In order to approach the theoretical limit of decode-and-forward strategy for the half-duplex relay channel , a cooperative LDPC coding structure and its corresponding optimization scheme is proposed .

本文介绍我们研究室设计的、利用PC机和MODEM进行无线／有线远程通信的Email计算机数据通信系统.该系统采取半双工、报文应答方式进行数据传送，具有较高的可靠性和使用的灵活性。

It is comPOSed of PC , modem and data communication software . Using half-duplex communication and message-acknowledgment mode , this system can be used to send and receive data through wire of radio communication . This Email system is highly reliable and flexible in applications .

HDLC半双工（HDX）、全双工正常响应方式（FDX-NRM）和全双工异步响应方式（FDX-ARM）的模拟。

Half duplex ( HDX ) . FDX-normal response mode and FDX-asynchronous response mode of HDLC respectively is simulated . The results of simulation are analysed and illustrated .

分别研究了基于UART总线型和星型结构主节点时序，并给出了半双工串行处理、半双工流水处理、全双工流水处理三种模式下主节点轮询一周的处理时间。

Master node 's temporal features of bus topological structure and star topological structure for UART-based master-salve communication are studied . Poll-wait-process periods of half-duplex serial fashion , half-duplex pipelining fashion and duplex fashion are presented .

介绍一种适用于无线半双工信道数据传输系统，旨在提高报文通过享的改进的混合二型ARQ差错控制方案。

A practical error control scheme for radio Half-duplex channel is presented and in this scheme an improved hybrid ARQ type ⅱ based on the shortened BCH ( 2m , m ) code and interleave technique are employed .

主要是采用RS-485总线标准作为接口技术，以半双工的通信方式，通过一根同轴电缆作为数据和电源信号同步传输的介质，实现了水下长距离、高速率的数据传输。

It utilizes chiefly RS-485 bus standard as interface and half-duplex communication mode . In a coaxial-cable , which becomes communication medium for data and power signal to transmit synchronously , we achieved long distance and high speed underwater data transmission .