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- In January 1996, Russia accomplished GLONASS 24 satellites' constellation. 1996年1月,俄罗斯完成了对GLONASS的24颗卫星布设,并开始整体运行。
- Based on the inherent constrains of co-altitude satellite constellations, the relationship between the ground clutter Doppler spreading and satellites flight geometries is discussed. 基于星座固有的空间约束条件,讨论了由于平台运动引起的地杂波多普勒频率扩展与卫星飞行的几何关系。
- It is responsible for providing readiness, launch, early orbit/on-orbit support, and anomaly resolution for a variety of military satellite constellations including GPS, Milstar and DSCS. 根据合同,哈里斯公司将负责提供准备就绪、发射、入轨前/在轨支持和突发情况决策,服务的对象包括多种军用卫星星座,如GPS、军事星和DSCS。
- By analysis on simulation systems of satellite networks, models of satellite constellations based on STK and models of satellite protocols based on OPNET are proposed to analyze performances of satellite networks. 由于卫星网络中节点不断运动的特点,卫星网络的拓扑结构随着时间不断的变化,这使得卫星网络与其它通信网络有着很大的区别。 在此部分中,通过理论分析和仿真方法对卫星网络的轨道、空间几何结构以及网络拓扑结构等网络体系结构相关的方面进行了深入研究,为进行多层卫星网络的设计提供参考及理论支持。
- Handoff data registration strategy in satellites constellations communication system 卫星星座通信系统的切换数据登记策略
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- It tracks the GPS satellites, uploads updated navigational data, and maintains health and status of the satellite constellation. 它还跟踪GPS卫星,上载更新的导航数据,并且保持卫星群的健康运行和排列状态。
- Three thousand armed satellites escorted his steps. 三千名武装随从紧跟其后。
- Designing Satellite Constellations for Partial Coverage 区域性星座设计
- The LEO/MEO satellite constellation is the research focus of modern satellite communication system. LEO/MEO双层卫星星座是现代卫星通信系统星座研究的热点。
- satellites constellations 卫星星座
- The number of known satellites in the solar system rose to 32. 太阳系里已知的卫星数量增加到三十二个。
- The former Russian satellites now turn to the West for help. 从前俄国的卫星国现在转向西方要求援助。
- Threat Analysis of The Communication System Based on Satellite Constellations 星座卫星通信系统安全威胁分析
- Now space satellites are used to speed long distance calls. 现在宇宙卫星被用来快速传送长途电话。
- By now, putting satellites in orbit is old hat to space scientists. 现在,对航天科学家来说,把卫星送入轨道已不是一桩新鲜事了。
- The optimal design method for regional coverage common-track satellite constellation based on Genetic Algorithm Toolkit (GATOOL) of MATLAB was proposed. 讨论了使用MATLAB的遗传算法工具箱GATOOL进行区域覆盖共地面轨迹卫星星座的优化设计方法。
- There are innumerable constellations in the sky. 天空中有数不清的星座。
- Those constellations look like you and I. 这些璀璨的星群就如同你与我。
- WITH THE COUNTLESS CONSTELLATIONS AND SHADOWS. 有着无数的星座和阴影。