文章摘要信息 关键词 ： 无线电通信 信号干扰 幅度调制 [gap=636]Keywords : radio communication;signal interference;amplitude modulation
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地铁专用无线通信系统方案设计_轨道工程_工程技术_论文_中国路桥网 关键词：地铁 无线通信 方案设计 [gap=262]Key words：Metro， Radio communication， Scheme desige
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无线通讯：利用电磁波的辐射和传播，经过空间传送信息的方式称为无线电通讯（radio communication），简称无线通讯。无线通讯是电信网的重要组成部门。
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terrestrial radio communication 地面无线电通信
radio communication service 无线通信业务 ; [通信] 无线电通信业务 ; 无线电通信服务
simplex radio communication [通信] 单工无线电通信 ; 单工无线电通讯
fire radio communication network 消防无线通信网
fire radio communication system 消防无线通信系统
utility radio communication 实用无线电通信 ; [通信] 实用无线通信
marine radio communication 海上无线电通信 ; 航海无线电通信
self-organization radio communication network 自组织无线电通信网
radio communication equipment 无线电通信设备 ; 无线通信装备
Orthogonal Frequency Division Multiplexing (OFDM) scheme has become a popular technique in various high-speed wireless data transmission system, and it has been proposed as a standard for the next-generation mobile radio communication system.
正交频分复用(OFDM)技术已经成功的应用于许多高速无线数据通信系统中,并成为下一代移动通信系统所采用的标准之一。
参考来源 - 降低OFDM系统峰平比技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N communication by means of radio waves 无线电通信
The phones interfere with the radio communication at the airport, right?
电话干扰了机场的无线电通讯，对吗？
However, this purely visual system was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
然而，这种纯粹的视觉系统在恶劣天气下毫无用处，到了20世纪30年代，无线电通信开始用于空中交通管制。
In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
在20世纪40年代，空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯，但是这个系统还处于初级阶段。
Marconi sent the first radio communication signals through the air in eighteen ninety-five.
VOA: special.2010.01.31
Over the years,radio has become one of the most important forms of communication.
VOA: special.2010.01.31
The North says it will stop using maritime shortwave radio frequencies with the South and cut off other means of emergency communication.
VOA: standard.2010.05.27
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