BACN被设计用于各种无人和载人飞机，是一种前沿部署空中通信中继站和网络中心企业信息服务器。
Designed for use in a variety of unmanned and manned aircraft, BACN is a forward-deployed airborne communications relay and network-centric enterprise information server.
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。
However, this purely visual system was useless in bad weather, and, by the 1930s, radio communication was coming into use for ATC.
这些微型卫星体积小巧，能够容纳传感器和通信接收器、发射机，使操作人员能够从太空中研究地球以及地球周围的空间。
Within their compact bodies these minute satellites are able to house sensors and communications receivers/transmitters that enable operators to study Earth from space, as well as space around Earth.
最后，还有一些章节介绍不同技术如何应用在不同的行业中，比如汽车制造、铁路、空中交通控制和通信。
Finally, several chapters are devoted to how the various techniques have been used in various industries, such as automotive, railways, air traffic control, and telecommunications.
盟军的空中支援是在整个入侵地区摧毁通信链路、铁路线以及桥梁。
Allied air support contained the invasion area — destroying communication lines, rail lines and Bridges.
集群式的微型空中飞行器网络由耐用的轻质飞行器和软件组成。设备间可进行无线通信。
The Swarming Micro Air Vehicle Network (SMAVNET) project comprises of robust, lightweight robots and software that allows the devices to wirelessly communicate with each other.
管理和通信支撑工作将发生在佛罗里达州的肯尼迪航空中心。
The management and communications support work will take place at Kennedy Space Center in Florida.
1974年，美国“空中教师”卫星把教育节目传送到了偏远地区的教室，这说明了通信卫星的另一个重要用途。
Another important use of telecommunication satellites was demonstrated in 1974 when the "Teacher in Sky" satellite transmitted educational programs to classes in remote areas of the United States.
移动通信中手机的机卡分离技术和空中激活技术是实现电信服务与电信终端相分离的重要途径。
The technologies of set-card separation and OTA (Over the Air) are both the important measures in mobile communication systems to realize the separation of the wireless services and terminals.
空中下载技术是一种通过移动通信的空中接口对移动终端内存及SIM卡数据进行远程管理的技术。
Over-the-air technology which download the data of EMS memory and SIM card in mobile station through the air interface of mobile communication present a solution to these challenges.
根据不同的空中接口标准，SR系统可以减少配置无线通信系统的问题。
The SR system can be applied to reduce problems that come forth in configuring the wireless communication system in accordance with different standard for aerial interfaces.
用软件无线电技术实现的调制解调灵活性好，可以通过空中下载实现不同的调制方式，从而适应不同的通信体制。
It is flexible for the modulation and demodulation by software, and it may realize different modulation mode through the airborne downloading, therefore it suits the different communication systems.
该电台将支持整个空军体系不断变化的通信需求，包括安全部队、特种作战部队、作战工程部队和空中机动司令部(amc)。
Air Force. The radios will support the changing communication needs of the entire Air Force enterprise, including Security Forces, Special Operations, Combat Engineers and Air Mobility Command (AMC).
数字集群系统TETRA提供空中接口加密和端-端加密以实现通信的机密性。
Air interface security and end-to-end encryption a re offered by TETRA to protect data during the entire transmission.
在移动站和第一基站之间的第一空中接口上建立通信链路。
A communications link is established over the first air interface between the mobile station and the first base station.
空间光学联网技术计划将为下一代超宽带宽、多信道空中与太空通信网络开发基础技术。
Finally, the space Optical Networking technology project develops the technology base for the next generation of ultra-wide-bandwidth, multi-channeled, air and space-based communications networks.
讨论了第3代移动通信系统的空中接口安全保护技术，包括数据机密性保护、数据完整性保护。
The air interface security technologies for the protection of data confidentiality and data integrity in 3g are discussed.
摘要：无线通信领域中，每个无线通信系统都很重视空中接口的安全性，防止非法者监听或是盗用系统的空中无线资源。
Abstract: In wireless telecommunication, in order to protect communication system from monitoring and steal radio resource by illegal intruder, security is a critical issue for any operator.
描述了一种简化的空中交通控制剧本，用于无线电通信仿真，并以此设计了无线电通信的路由空间，给出了对象的属性表和互操作参数表。
The scenario selected for this demonstration is a simplified Air Traffic Control scenario. Routing space based on radio communication scenario is constructed. The object attribute table and inter…
描述了一种简化的空中交通控制剧本，用于无线电通信仿真，并以此设计了无线电通信的路由空间，给出了对象的属性表和互操作参数表。
The scenario selected for this demonstration is a simplified Air Traffic Control scenario. Routing space based on radio communication scenario is constructed. The object attribute table and inter…
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