wireless data link

Based on the wireless data chain in normal communication, a mathematical model which has a request to the scope of vehicle attitude is developed.

文章推导出无线数据链在保持正常通信的基础上对飞行器姿态范围要求的数学模型;这个模型根据无线数据通信链路、天线特性、飞行器姿态航向角以及飞行器的空间位置关系而确立的。

In order to resolve the problems of low precision and factitious disturbance during the test process ,an automatic test system for receiving link of the wireless data-link of UAV based on GPIB bus is introduced.

针对无人机无线电数据链测试过程中存在的精度偏低、人为干扰等问题,设计了一套基于GPIB总线的无人机无线电数据链接收链路自动测试系统;该系统采用工控机作为控制器,结合AX5488-GPIB接口卡通过GPIB总线实现对各测试仪器的控制;利用RS232串口和单片机通信,完成数据采集和各种控制动作;成功地实现了对多台接收机多个参数的自动循环测试;实验结果表明,该测试系统满足数据链部件指标测试要求,且运行稳定可靠,达到了预期效果。

Focused on the problems in the process of designing an d manufacturing of the wireless data-link components , a automatic test system for universal wireless data-link components which work under control of the system software has been developed.

通用无线电数据链自动测试系统是为解决无线电数据链部件在设计、生产中的实际问题而研制的,系统在软件控制下工作,软件可靠性直接影响到系统安全与准确性,因此在设计中占据了重要地位;文章通过对系统可靠性要求的分析,提出了针对性地解决措施并通过模型进行了分析与测试,结果表明,系统软件可靠性达到了应用要求。

Research on the countermeasures against satcom data link;

卫星通信数据链路对抗研究

Design and realization of data link layer in digital land mobile communication system without centre controller;

数字无中心系统数据链路层的设计与实现

Mechanism and analyses on flow and error control of data link;

数据链路层的流量和差错控制机制的分析

A scheme for improving TCP performance over wireless link based on active network technology;

一种基于主动网络技术的改善无线链路上TCP性能的方案

The traditional TCP congestion control algorithm has a poor performance in high bandwidth-delay product(HBDP) and wireless link.

传统的TCP拥塞控制算法在高带宽时延积和无线链路上的性能严重下降。

The performances of TCP/IP used in wireless links were discussed.

分析了TCP协议在无线环境下的缺陷,讨论了TCP/IP协议组用于无线链路时的性能问题,提出了一种基于ARQ的TCP代理确认的改进方案。

The Research and Implement of Wireless Data Link in the Environment Protection Application;

无线数据链路在环保应用中的研究与实现

radio data link

无线电数据传输链路

Research on Datalink Layer QoS in Broadband Wireless IP Mobile Communication System;

宽带无线IP移动通信系统数据链路层QoS的研究

The Study of Link Layer Solution Mechanism over Wireless TCP;

基于无线TCP数据链路层解决机制的研究

Research , Development and Application of Multiple Physical Network Channel Aggregation for Data Transmission on Wireless Terminals

多物理链路数据聚合传输技术在无线终端的研究、开发与应用

This link may be a high-speed data communication circuit, a local area network (LAN), a telephone live or a radio channel.

这种连接的链路可以是高速数据通信电路、局域网（LAN）、电话线路或无线信道。

Research and Implementation of Data Link for Vehicle Bus Based on CPLD;

车辆总线数据链路研究和CPLD实现

Modeling of wireless datalink communication region between two aircraft

两飞行器间无线数据链通信区域建模

A Study of the Asymmetric Data Link for UAV Multi-path Relay;

无人机多链路中继的非对称数据链研究

UAV Data Link Automatic Test System Project Design;

无人机无线电数据链自动测试系统方案设计

Application of Software Defines Radio Technology in UAV Data Link System

软件无线电技术在无人机数据链系统中的应用

Researchment and Realization of Digital Acentric System Data Link Layer

数字无中心系统数据链路层的研究与应用

Research and Development of Data Link Layer Protocol of Foundation Fieldbus;

基金会现场总线数据链路层协议的研究与开发

Realization of 1553B Bus Remote Terminal′s Data Link Layer Protocol

1553B总线远程端点数据链路层协议的FPGA实现

The Data Link Based A~* Algorithm Used for UCAV Path Planning

基于数据链的无人机航路规划A~*算法研究

A Channel Estimation Algorithm for UAV OFDM Data Link

无人机OFDM数据链路中信道估计算法研究

"Wireless Link was sending file data to the other machine.

"无线链接正将文件数据发送到其它机器。

Analysis on Impact of Vehicle's Attitude on Wireless Data Chain Communication Area

飞行器姿态对无线数据链通信区域的影响分析