The bit error probability of CDMA in non-geostationary orbit mobile satellite system is analysed.
分析了非静止移动卫星通信中CDMA的误码性能。
CAAC is planning to establish the aeronautical mobile satellite services (AMSS) communications system in China.
中国民航正在计划实施航空卫星移动业务(AMSS)通信。
In addition, the paper also analysis mobile satellite communication channel simulator, and gives its initial general design.
此外，本文还对卫星移动通信信道模拟器进行了分析，并提出了其初步整体设计方案。
This paper introduces the present and future of Global mobile Satellite communication system. IRIDIUM system is also introduced.
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。
The paper introduces the land mobile satellite communication system (LMSS) and its channel transmission performance and features.
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 performance of QPSK signal transmitted through nonlinear mobile satellite channel is analyzed based on presumed frequency non-selective fading.
在平坦衰落假设基础上，分析了QPS K信号通过移动卫星信道的非线性性能。
In mobile satellite networks, for the aim of shortening handover delay while using network resource efficiently, a proper handover scheme should be given.
对于移动卫星网络，合理的星地链路切换方案需要在保证最小切换时延的同时，能够最优地使用网络资源。
The use of the adaptive robust controller for improving control performance and stability of mobile satellite antenna systems is investigated in this paper.
为了改善移动卫星天线的控制性能和稳定性，本文进行移动卫星天线的自适应鲁棒控制系统的研究。
Firstly, the paper has an overview of mobile satellite communication system, analyzes its character and the peculiarity compared with terrestrial wireless system.
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。
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.
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。
Through the analysis of today's mobile satellite communication systems, it is found that not only the direction, but also the relative distance of the ISL are periodical.
通过对现有的卫星移动通信系统星间链路的分析发现，不但卫星移动通信系统星间链路的指向具有周期性变化的特性，而且星间链路的相对距离也在周期性变化。
While being widely evaluated as a high technology providing high efficiency, the global mobile satellite system entails enormous investment and costs, causing high risks.
在人们普遍给予全球移动通信系统高技术高效益评价的同时，其高投入高成本所带来的高风险也是不容忽视的。
Based on the statistical model classification of mobile satellite communication channel, a partial-shadowing extended model suited for mobile satellite channel is proposed.
在对卫星移动信道传输特性统计模型研究分类的基础上，给出了适合卫星移动信道的部分阴影扩展模型。
Comtech's Model MT-2012 mobile satellite transceivers feature secure global positioning system (GPS) capabilities, as well as embedded radio frequency identification (RFID) technology.
Comtech公司的典型mt- 2012机动卫星无线收发器具备安全的全球定位系统(GPS)能力，也能嵌入无线射频识别(RFID)技术。
Through simulation computation for these four mobile satellite channels, the validity of the simulation model and corresponding parameters put through in the paper has been verified.
本文对这四种卫星移动信道进行了仿真运算，并将仿真数值与实测数据进行比较，从而验证了这些信道模型及其相关参数的有效性。
Comtech did not reveal the name of the customer. The company received orders to provide its Model MT-2011 Mobile Satellite Ground and Aviation Data Transceivers to support ongoing FBCB2 operations.
按照合同要求，公司将提供模块化的MT- 2011机动型卫星地面与航空数据接收器，支持FBCB2作战。
This software has interfaces friendly and a lot of map operations. It is good for the constellation design, simulation and demo of mobile satellite communications system in military or in civil USES.
该软件界面友好，具有丰富的地图操作内容，是军用及民用卫星移动通信系统星座设计仿真、演示的有效工具。
The SNEP will employ the MPM1000 Net Centric Waveform Satellite Modem to provide Multi-Frequency-Time Division Multiple Access Bandwidth on demand technology for tactical mobile operations.
该SNEP将采用MPM1000网络中心波形卫星调制解调器，为战术机动作战提供所需的多频时分多址接入带宽技术。
That suggests that GPS satellite navigation, capacity for mobile television and storage space for hundreds of music tracks will also be standard features before long.
这表明GPS卫星导航系统、支持手机电视、数百首音乐的存储空间在不久以后也会成为标准配置。
It also helps that the mobile communications and satellite technologies used by the project are able to surmount physical barriers such as geographic location.
不仅如此，该项目采用的移动通讯和卫星技术还能克服环境上的阻碍，如地理位置的不同。
Even as modern society arrives in this ancient village through satellite dishes and mobile phones, the Pundirs say they want their age-old tradition to continue with their children.
即便现代社会生活通过卫星天线和移动电话慢慢渗入到这个古老的乡村，辛旁迪一家说，他们希望这个古老的传统能在他们孩子的身上得以延续。
Moreover, it can do this in multiple ways, with built-in Wi-Fi, mobile, satellite and Bluetooth communication links.
它的传送途径多种多样，可以有内置无线、移动电话、通信卫星以及蓝牙；
Mobile and landline phone services were lost, and for more than 48 hours it was only possible to make contact on satellite phones, although many of these had also been lost.
移动和固定电话服务失灵超过48小时，人们只能通过卫星电话取得联系，然而这些卫星电话也大都丢失了。
The new feature of the system consists of its capacity to be integrated with mobile system from any other SIVE through satellite communications.
该系统的最新功能可集成到移动系统，通过卫星通讯与其他SIVE系统沟通。
TS2 Satellite Technologies won a contract to deliver mobile BGAN services for U.S. Army soldiers stationed in Iraq.
日前，TS2卫星技术公司赢得一份合同，将为驻守在伊拉克的美国陆军士兵提供移动全球宽带区域网络（BGAN）服务。
TS2 Satellite Technologies won a contract to deliver mobile BGAN services for U.S. Army soldiers stationed in Iraq.
日前，TS2卫星技术公司赢得一份合同，将为驻守在伊拉克的美国陆军士兵提供移动全球宽带区域网络（BGAN）服务。
应用推荐