The article introduces the main functions and technical indexes of train-to-ground communication system in track loops.
本文介绍了一种轨间环线车地通信系统的主要功能和技术指标。
Under the present economic and technological condition, we can only use ground communication system to transmit signals.
在目前经济和技术条件下，只能选择地面通信系统传输信号。
The MUOS Ground System provides communications and controls interfaces between the MUOS satellites and U.S.Department of Defense Earth-based communication networks.
MUOS地面系统在MUOS卫星和美国国防部地基通信网络之间提供通信和控制界面。
The MUOS Ground System provides communications and controls interfaces between the MUOS satellites and U.S. Department of Defense Earth-based communication networks.
MUOS地面系统在MUOS卫星和美国国防部地基通信网络之间提供通信和控制界面。
The MUOS Ground System provides communications and controls interfaces between the MUOS satellites and U. s. Department of Defense Earth-based communication networks.
MUOS地面系统在MUOS卫星和美国国防部地基通信网络之间提供通信和控制界面。
But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.
不过航空运输延迟和低效的主要原因还是过时的空中交通管制——一套依靠地面控制、反应迟缓的雷达站和不断重复的语音通讯建立起来的体系。
With the help of Remote Data Transceiver, Hump Radio Locomotive Telecontrol System implemented the remote communication between locomotive and ground then controls locomotive to pushing hump in yard.
驼峰无线机车遥控系统是通过无线数传电台实现车载-地面通信，进而实现驼峰推峰机车控制功能的系统。
The geostationary meteorological satellite ground application system is a main system with high speed communication, large-scale data processing, product service giving, and mass data storage.
静止气象卫星地面应用系统是一个具有高速通信、大规模数据处理、高时效产品服务、海量数据存储功能的大型业务应用系统。
To reduce the LEO satellite mobile communication systems rely on ground mobile communication system, LEO satellite mobile communication systems must be introduced ISLs.
为了降低卫星移动通信系统对地面移动通信系统的依赖，系统必须引入星际链路。
This system can not only be used for the train-ground communication, but also be used for train locating and speed measuring.
论证了该系统既可以实现列车的车地通信功能又能实现列车的测速定位功能。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
实际星地光通信系统的发射光束为高斯型的情况下，跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
This paper compares the ground mobile communication system and LEO satellite mobile communication system, then designs a CAC for LEO satellite communication system.
本文通过对比地面移动通信系统和低轨卫星移动通信系统，为低轨卫星通信系统设计了一种呼叫接入控制策略。
For the first time we apply new voigt anomalous dispersion optical filter (VADOF) in wireless optical communication. The system can be used both on ground and between satellites.
首次将新型佛克脱原子滤光器(VADOF)用于无线光通信，该系统既可用于地面光通信，也可用于卫星光通信系统。
The train-ground radio communication system of Maglev trains is the information exchange channel for trains and the ground control center.
磁浮列车车地无线电通信系统则是列车与地面控制中心进行信息交换的通道。
The train-ground radio communication system of Maglev trains is the information exchange channel for trains and the ground control center.
磁浮列车车地无线电通信系统则是列车与地面控制中心进行信息交换的通道。
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