In view of the actual terrestrial conditions of China and the differences of the service of mobile communication in different periods, a constellation design of a satellite net construction is proposed for mobile satellite communication systems in China.
针对我国地域分布的实际情况及移动通信业务量各时间段的差异 ,提出了一种适合我国的移动通信卫星组网星座方案 利用一颗同步卫星和两个低轨道上 1 6颗小卫星来构建卫星通信系统 ,达到移动通信的要求 ,并对这一星座方案在我国范围内的覆盖情况进行了比较详细的分
Method of realizing serial communications under Visual C++ 6.0 by programming on bottom layer;
在Visual C++6.0中底层编程实现串口通信的方法
Measures for thundering strike prevention and earthing of the VSAT satellite communications facility and its application;
VSAT卫星通信设备防雷与接地的措施及应用
The discussion of Building iERP for Chinese Communications Enterprises;
中国通信运营企业的iERP建设探讨
Data Communication of Machine Tool Based on CAXA-DNC;
基于CAXA-DNC的机床数据通信
Communication and Data Management of the Intelligent Monitoring System for Petroleum Distillers Based on VB;
基于VB的石油馏程仪智能监控系统的通信与数据处理
Application of serial communication in slope-controlled welding power source;
串行通信在多特性焊接电源中的应用
Data communicating between CNC machine tool and PC is important part in CNC processing,this article introduces connecting with communicate cable in CNC machine tool and PC,setting of communicate agreement of transport software,setting of CNC machine tool parameter.
数控机床和计算机的数据通信已成为数控加工中的重要组成部分,介绍通信电缆的连接、传输软件通信协议的设定、数控机床参数的设定。
Electric power network can transfers long and widely overlay , it has strongly development potential realize communicate and control using by electric network .
电力网络传输距离长、覆盖面广,利用电力网络实现通信和控制具有很大的发展潜力。
Designing of chief control program,human machine interface,communicate program among software system are emphatic demonstrated.
基于玩具安全标准对玩具易燃性的要求,结合PLC控制技术、网络技术和软件技术,对研制的智能燃烧测试仪的工作原理、硬件结构设计、功能特性进行了详细的论述,并重点对软件系统中的主控程序、人机界面、通信程序的设计与实现进行了阐述,指出此测试仪是一台软件与硬件相结合的设备,其软件系统的实现极大地提高了测试仪的自动化水平。
Automation & Telecommunication Construction for E-Pipeline;
面向e-Pipeline的管道自动化和通信系统建设
Outline of the overall plan for telecommunication system implementation in China Three Gorges Project Corporation;
三峡总公司通信系统总体规划综述
The Development and Status of the TT&C and Telecommunication Technology of Russia;
俄罗斯深空测控通信技术的发展及现状