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- It specifies complete mobile satellite communications systems and procures and operates the space segment. Inmarsat对整套卫星移动通信系统制定规范,并负责购置和操作空间部分o
- In addition, the interleaving parameters are provided based on correlation function of the mobile satellite channel. 同时,在研究信道相关的基础上,给出了交织相关参数的设计准则。
- A number of national mobile satellite communications systems also serve the United States, Canada, Australia, and Japan with many more planned. 许多国家的移动卫星通信系统也为美国,加拿大,澳洲和日本提供更多计划服务。
- The paper overviews the applications and development prospects of VSAT, mobile satellite communication and advanced satellite communication system. 论文综述了VSAT、移动卫星通信和先进卫星通信系统三个热点,指出了它们的应用情况和发展前景。
- Firstly, this paper introduces how the antenna tracks and the platformcompensates in Mobile Satellite Communication, and some relevant apparatuses. 移动卫星通讯天线跟踪的研究主要集中在天线跟踪方式与稳定平台。
- Mobile satellite services(MSS)networks are relayed via satellite between large fixed Earth stations and small mobile terminals fitted to a ship,an aircraft,or a vehicle. 移动卫星服务(MSS)网络通过卫星在大的地面固定电台和安装在船只飞机或是车辆上的小的移动终端之间转播.
- The use of the adaptive robust controller for improving control performance and stability of mobile satellite antenna systems is investigated in this paper. 摘要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。
- Adopting Medium Earth Orbit (MEO) constellation is an effective way for this situation Time-dependent constellation for the regional mobile satellite communication systems is proposed in this paper. 采用中轨星座是解决这一问题的有效途径。本文提出了一种用于区域性系统的中轨星座设计方法:“时间决定”星座设计。
- HU Jian-Hao,WU Shi-Qi,LI Le-Min.Performance analysis for LEO/MEO mobile satellite communication systems with intersatellite link[J].ACTA Electronica Sinica,1999,27(11):65-68(in Chinese). [2]胡剑浩;等.;具有星际链路的LEO/MEO卫星移动通信网络性能分析[J]
- Mobile satellite communications began in 1976 with the launch by COMSAT of MARISAT satellites to provide communications to ships at sea. 移动卫星通讯始于1976年由海洋卫星公司的通讯卫星来为海上的船只提供通信。
- American Mobile Satellite Corp.,for instance,plans to use satellites to reach customers in regions not served by cellular. 例如美国机动卫星公司就计划利用卫星来接通移动电话无法覆盖区域的客户。
- MSSC Mobile Satellite Switching Center 移动通信卫星交换中心
- LMSS Land Mobile Satellite Service 地面移动卫星服务
- GMSS General Mobile Satellite Service 通用移动卫星服务
- maritime mobile satellite system 海上移动卫星系统
- aeronautical mobile satellite system 航空移动卫星系统
- Marconi Mobile Satellite Earth Terminal 马可尼机动卫星地面终端
- mobile satellite data switching exchange 卫星移动通信数据交换机
- Mobile satellite communication networks 移动卫星通信网络
- Mobile satellite communication systems 移动卫星通信系统