Selex通信公司将提供Tetra移动通信计划,以及HF、卫星和微波无线连接。
Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.
成立3gpp2是为了将北美和亚洲移动无线电通信跨系统操作过渡到第三代系统。
3gpp2 was born to evolve North American and Asian Cellular Radio-telecommunication Intersystem Operations into a third-generation system.
随着无线通信技术和互联网技术的飞速发展,移动通信业务从以前的语音业务为主逐渐向数据业务扩展。
With the rapid development of wireless communication technology and Internet technology, the primary service of mobile telecom is changing from voice service to data service.
OFDM技术将成为未来无线通信中的核心技术,在认知无线电、4G移动通信和无线宽带接入等领域得到广泛的应用。
OFDM technology will become the core technology for wireless communication in the future, OFDM will be widely used in cognition radio, in the 4G mobile communication and the wireless broadband access.
在无线移动通信中,接收机的本地振荡频率和载波频率之间往往存在较大的频率偏差,AFC用于克服此频偏。
In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.
软件无线电(SWR)技术是第三代移动通信系统和军用电台的发展趋势。
The SWR is a developing trend of the third generation mobile communication system and military radio.
思科无线工厂网络提供的应用包括这些用于工人移动性、基于IP的语音通信、跟踪工作人员和资产以及视频应用。
Cisco wireless plant networks offer applications including those for worker mobility, voice over IP communications, tracking of personnel and assets, and video applications.
研究得出的降雨衰耗和降雨衰减系数值,不仅对WLAN的固定无线接入,而且对移动通信都具有参考价值。
The research result and the rain attenuation coefficient thus obtained provide valuable reference not only in WLAN and immobile wireless accessibility but also in mobile communication.
低成本高频装置,高频放大方法,无线通信装置和移动电话。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
MIMO技术是无线移动通信领域智能天线技术的重大突破,能够成倍提高系统的容量和频谱利用率。
MIMO technology is the significant breakouts in smart antenna technology of wireless communication field, it can significantly improve system capacity and using rate of frequency.
对于无线移动通信系统来说,面临着系统带宽效率和多径衰落信道等诸多问题的挑战。
The system bandwidth efficiency and the dispersive of wireless channel are the big challenges for the wireless mobile communication system.
全球移动通信系统,使用最广泛的数字手机系统和欧洲事实上的无线电话标准。
Global system for mobile communications, the most widely used digital mobile phone system and the DE facto wireless telephone standard in Europe.
本文从提高无线移动传输系统传输速率和对抗多径的角度,研究OFDM调制技术在无线移动通信中的应用。
The thesis researches the application of OFDM modulating technology on mobile communication based on improving transfer effect in limited band broad and overcoming Multi_path fading.
随着网络技术和无线移动通信技术日趋成熟,无线移动网络在控制系统中的应用也成为研究热点。
With the development and maturity of network and wireless communication technology, the study of wireless mobile network application in control systems is becoming a hotspot.
无线网络为用户提供了在任意时间和地点进行通信和信息获取、并在移动中保持通信连接的能力。
Wireless networks provide users with the capability of ubiquitous communicating and access to information at anytime and keeping connections valid in continuous movement.
本文的主要内容是在基于有线和无线相融合的混合网络中,针对移动机器人多传感器采集数据的性能要求,研究如何提高移动机器人远程通信的质量。
The main content for this paper is to make a research on how to enhance the quality of the remote communication in view of the performance requirement of the robot's multi-sensors data.
无线通信系统的技术目标是为移动用户提供更大的系统容量和更好的通信质量。
The goal of wireless communications techniques is to offer largest capacity and best quality of service for users.
本论文主要介绍了GPS技术在车辆管理系统中的开发,重点解决了无线通信和车载移动终端的实现。
The thesis introduces the GPS technology in the development of the vehicle management system, focuses on the solutions for implementing the wireless communication and vehicle mobile terminal.
本发明提出了一种频率资源的分配方法、设备、无线通信系统和移动站。
The invention discloses a frequency resource allocation method, a device, a wireless communication system and a mobile station.
它是无线技术进入的一个新的阶段,将成为3g和4g移动通信中的关键技术之一。
It's a new stage of wireless communication technologies and will become one of the key technologies in 3g and 4g.
扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。
Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.
未来无线通信网络的两个最重要的研究问题就是宽带和无缝漫游,而移动性管理是实现网络间无缝漫游的关键难题之一。
The terms broadband and seamless are the main keywords for future wireless communication systems and the mobility management is the most important problem in seamless roaming across systems.
目前,适合于移动通信、无线通信的无线电频谱资源极为拥挤和宝贵。
At present, the frequency adapting to mobile com munication and wireless communication, is quite crowded and precious.
主要说明无线通信将应用于移动通信、个人通信和全球通信。
The paper briefly describes the rapid development of wireless applications to the mobile, personal, and global communication services.
相对有线网络,无线网络最大的优点是可移动性,但是,却要面对恶劣无线通信环境和有限频谱资源的挑战。
Compared to wireline networks, wireless networks have higher removability, while they face the difficulty of bad wireless communication environment and limited spectrum resource.
用于移动通信站的天线系统,该通信站,和用于无线通信的一种方法。
Antenna system for mobile communication station, such station, and method of radio communication.
然而,现有的通信网络,如无线移动网络和IP网络都是易发生差错的网络。
However, wireless mobile channel and IP network are highly prone to error.
无线通信系统采用移动通信提供的短消息服务和网上无线呼叫服务。
Wireless communication adopts the short message service of GSM and network wireless call service.
讨论了通过无线ip网络(未授权移动接入)传输语音、消息和多媒体信息的新技术,未授权移动接入技术是向通信技术融合迈进的第一步。
This paper covers the discussion of the new technology to deliver voice, message and multimedia content over a wireless IP network, known as Unlicensed Mobile Access (UMA).
讨论了通过无线ip网络(未授权移动接入)传输语音、消息和多媒体信息的新技术,未授权移动接入技术是向通信技术融合迈进的第一步。
This paper covers the discussion of the new technology to deliver voice, message and multimedia content over a wireless IP network, known as Unlicensed Mobile Access (UMA).
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