分析了非静止移动卫星通信中CDMA的误码性能。
The bit error probability of CDMA in non-geostationary orbit mobile satellite system is analysed.
本文阐述陆地移动卫星通信系统(LMSS)及其信道传输的性能和特点。
The paper introduces the land mobile satellite communication system (LMSS) and its channel transmission performance and features.
国际移动卫星通信系统为用户提供广泛的和日益增加的语音频带数据和传真业务。
The Inmarst system offers the user a large and growing range of voice band data and facsimile services.
本文主要介绍近年来，时隙aloha技术在移动卫星通信中的一些新的发展趋势。
This paper propose the new development of S-ALOHA technique used in mobile satellite communication system.
某些移动卫星通信天线自动跟踪系统采用激光陀螺进行跟踪，但激光陀螺跟踪有其不足之处。
A new method, gadient algorithm, is put forward to replace the laser gyroscope for the antenna autotracking system of the mobile satellite communication earth station.
本文介绍全球星低轨移动卫星通信系统的设计思想、技术体系和终端设备以及目前的实施情况。
The design principles, technical terminal equipment and the implementation of the LEO satellite - based mobile communications system are described in this article.
本文介绍全球移动卫星通信系统的现状、种类及其将来的发展趋势。对“铱”星系统也作了介绍。
This paper introduces the present and future of Global mobile Satellite communication system. IRIDIUM system is also introduced.
本文首先对移动卫星通信系统进行了概括性的介绍，分析了移动卫星通信系统的特点及与一般移动通信系统的相比的特殊性。
Firstly, the paper has an overview of mobile satellite communication system, analyzes its character and the peculiarity compared with terrestrial wireless system.
本文简要介绍了国际海事卫星通信系统(INMARSAT)，重点对该系统的移动数据通信业务及其应用进行了探讨。
This paper gives a brief introduction on the INMARSAT system with the mobile data communication service of the system and its application being discussed in detail.
分析了将移动IP技术应用于星座卫星通信系统的优势及直接使用的缺陷，指出引入相关扩展技术的必要性。
This paper first analyses the benefits and shortages of immediately using Mobile IP into a constellation satellite communication and then points out that using its spreading technology is necessary.
因此在卫星通信、数字移动通信、保密通信、语音邮件等方面都有广泛的应用。
Therefore it is widely used in the aspects of satellite communication, numeral mobile communication, privacy communication and pronunciation mail.
基于星上路由交换技术的宽带卫星通信系统一直是未来移动通信系统的重要组成部分。
Wideband satellite communication system that based on the satellite - based Routing and Switching system is an important pattern of future mobile communication system.
终端位置更新速率又是卫星通信系统终端位置管理的重要指标，直接影响到海上卫星移动通信系统的性能。
Terminal location update rate (LUR) is a very important index of Marine satellite mobile communication system, which affects the performance of whole system violently.
多信道共用技术已经广泛应用于卫星通信、移动通信、以及其它类型的通信系统。
The multi-channel sharing technique has already been widely applied to communication field such as satellite communication, mobile communication and other type of communication systems.
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。
This paper compares the ground mobile communication system and LEO satellite mobile communication system, then designs a CAC for LEO satellite communication system.
跳频技术具有很强的抗干扰能力和组网灵活等优点，在军事无线通信、民用移动通信、卫星通信、现代雷达和声纳等电子系统中有重要应用。
Frequency hopping has the advantage of anti-jamming and the flexible of networks, it is important applications of military communication, mobile communication, modern radar and sonar.
无线通信接收机覆盖了无线电通信、电视广播、无线电广播、雷达定位、遥测遥控、卫星通信以及移动通信系统等各个领域。
Wireless communication receiver applies widely in so many areas such as wireless communication, television, broadcast, radar, satellite communications and so on.
阐述了卫星通信的概况以及卫星移动通信系统的分类，重点介绍了低轨卫星移动通信系统的组成及其关键技术。
The satellite mobile communication system, which is the emphasis of the academic research, is the most significant portion of the 3G communication system.
采用卫星通信网实现移动网络的数据传输可以提供足够的带宽和更大的覆盖范围，是一种比较经济、可行的解决方案。
Satellite has the characteristics of broadcasting, large scale and seamless coverage of the earth. Thus, it is an effective and feasible way to tackle the problem of MEMO with satellite communication.
Ÿ 能承担本科生《通信原理》、《卫星通信》及《移动通信》课程及研究生《信息论与编码》、《扩频通信》及《通信网理论与技术》课程的教学工作。
Construct the course and experiment courses for undergraduate in "Remote Sensing Science and Technology" and the course for graduate in "Signal and Information Processing".
Ÿ 能承担本科生《通信原理》、《卫星通信》及《移动通信》课程及研究生《信息论与编码》、《扩频通信》及《通信网理论与技术》课程的教学工作。
Construct the course and experiment courses for undergraduate in "Remote Sensing Science and Technology" and the course for graduate in "Signal and Information Processing".
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