Concrete a Half-duplex Point to Point Communication with 8344 SCM; 2. An efficient ARQ protocol for half-duplex channels in underwater acoustic communication systems; 3. According to the characteristics of the fuze, half-duplex working mode is sele.
以中大口径引信静态感应装定系统为应用平台，根据引信静态感应装定系统的特点，选用半双工方式来完成装定器和引信之间的信息双向传输，并具体介绍了引信静态感应装定系统的设计。
The protocol supports half duplex communication between two devices.
议定书的支持两个设备间的半双工通信。
Host computer installed in the oil and gas control centers, to half-duplex mode polling stations PLC communication with the valve so as to form a SCADA system.
上位机安装于油气调度控制中心，以半双工轮询方式同各阀门站PLC通讯，以此形成SCADA系统。
It supports IEEE802.u 100Base-T, 100Base-FX standard, can support all core half a duplex working way effectively. It is the ideal device in the environment of campus, the backbone network and the wholly changing share Ethernet.
它支持IEEE802.3u 100Base-T，100Base-FX标准，能够有效地支持全双工或半双工的工作方式，是校园和骨干网或交换共享以太网整体布线环境中的理想器件。
The IEEE is moving ahead with plans to standardize full-duplex Fast Ethernet, which will raise bandwidth beyond current half-duplex implementations.
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。自置居所贷款计划。
Half-duplex Ethernet uses one wire to send and receive.
半双工使用一条线发送和接收 Answer：C 答案
HMT? Half Duplex Multipoint Line Terminal?
半双工多点线路终端
Buffer management: per class and per port buffer reservations · Port-based priority: VLAN priority in a tagged frame can be overwritten by the priority of Port VLAN ID Supports per-system option to enable flow control for best effort frames even on QoS enabled ports Classification based on:· Port based priority · VLAN Priority field in VLAN tagged frame · DS/TOS field in IP packet · UDP/TCP logical ports: 8 hard-wired and 8 programmable ports, including one programmable range The precedence of the above classifications is programmable Supports IEEE 802.3ad link aggregation · Up to 8 trunk groups, with up to 8 ports per group · Supports load sharing among trunk ports based on:- Source port - Source and/or destination MAC address Supports module hot swap on all ports MIB Statistics counters for all ports Full Duplex Ethernet IEEE 802.3x Flow Control Backpressure flow control for Half Duplex ports Hardware auto-negotiation through MII management interface for Ethernet ports Built-in reset logic triggered by system malfunction Built-In Self Test for internal SRAM IEEE-1149.1 test port
缓冲区管理：每班和每个端口缓冲保留·基于端口的优先级：在一个标签帧的VLAN优先级可以由港口的VLAN ID支持优先覆盖每个系统的方案，使服务质量甚至流尽最大努力控制框架启用港口的分类基于：·基于端口的VLAN优先级优先·在VLAN标签的帧·DS/TOS字段字段在IP数据包的UDP·/ TCP的逻辑端口：8硬有线和8个可编程端口，包括一个可编程范围的优先以上分类是可编程的支持IEEE多达8组802.3ad链路聚合主干·，最多8个端口，每小组·支持基于中继端口之间的负载分担：-源端口-源和/或目的地MAC地址支持模块由系统故障引起的复位逻辑热插拔的半双工端口硬件自动通过信息产业部的管理接口对谈判中的嵌入式以太网端口上的所有端口全双工以太网IEEE 802.3x流控制背压流量控制所有港口的MIB统计计数器，内置在自我的内部SRAM的IEEE - 1149.1测试端口测试
A two-wire connection is inherently half-duplex; that is, it can carry voice in one direction at a time only.
两线连接本质上是半双工的，即它一次只可传送一个方向的话音。
The RTU-292 can also be used to construct a system which interconnects two telephone systems via a half-duplex HF Radio link without computer intervention.
RTU-292也能够被用于搭建一个系统，在没有电脑的介入下，通过一个半双工的HF无线链接实现两个电话系统的通信互通。
He TRF6903 single-chip solution is an integrated circuit intended for use as a low-cost multiband FSK or OOK transceiver to establish a frequency-programmable, half-duplex, bidirectional RF link.
RF6903单芯片解决方案是一款可用作低成本多频带FSK或OOK收发器的集成电路，用于建立频率可编程的半双工双向RF链接。
Half-duplex Ethernet provides a point-to-point link.
半双工是供应一个点到点的链路
Half duplex involves transmission or reception in any one time only.
半双向指在任何时间的单向传发或接收。
Designed For Full Duplex, Half-Duplex, or Simplex Operation.
为全双工、半双工或单一操作而设计
However, the throughput performance of underwater acoustic communication networks is greatly restricted by the characteristic of half-duplex and long round trip delay for underwater acoustic channels.
但是，在水声通信网络中，由于水声信道的半双工以及信道的长传播时延特性，使得水声通信网络的吞吐性能受到极大的制约。
In this paper, based on the characteristic of long round trip delay, an efficient ARQ protocol, which is suitable for half-duplex channels, is presented by remarkably shortening the responding time of each packet data.
本文针对水声信道长传播时延这一特点，利用扩频通信技术，将单个信道分成两个子信道：一个用于前向信道，另一个用于反向信道，从而使得对每个分组数据的响应时间大大缩短，提出了一种有效的适合于半双工特性的ARQ协议。
Half- duplex: Data transmission in both directions but only one direction at a time.
半双向：数据的来往传送，但每次只限于接收或传发。
Each channel is individually configured, supporting both full and half duplex operation.
每个通道都单独配置，同时支持全双工和半双工运作。
Here is the communication protocol used in half-duplex asynchronous serial communication, parallel input serial output sampling.
详细说明：在这里的通信协议采用的是半双工异步串行通信方式，并行输入串行输出采样。
Remember that we are discussing half-duplex Ethernet that allows either transmitting or receiving but not at the same time.
有资料说在双绞线以太网中，它是同时进行收发来检测冲突的，可是它不是半双工吗？