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- Antenna arraying techniques in the deep space network II. 深空网的天线组阵技术2。
- The fact of exploring outer space has proved deep space network is the vital mainstay of exploring space. 深空探测的事实证明深空通信测控网是空间开发的重要支柱。
- The TDRSS (Tracking and Data Relay Satallite System), GPS/Glonnss and deep space network about the Space T. T. C. 在空间飞行器测控方面着重介绍了数据中继卫星、GPS/Glonns以及深空间跟踪网(DSN)的情况。
- Contact was reestablished at 14:15 UTC (10:15 a.m.EDT) through NASA's Deep Space Network, and the team is collecting data to assess MESSENGER's performance during the flyby. 14：15UTC通过NASA深空网重建联系，同时小组开始收集数据用以评估信使号在飞越期间的表现。
- This paper analyzes，the pairwise key generation protocol for the NASA space network，and proposes a new distributed key generation protocol based on Elliptic Curve. 摘要 分析了NASA空间网络对等密钥建立协议，提出了一种基于椭圆曲线的分布式密钥建立协议。
- In deep space exploration,it is difficulty for continuous navigation and communication in all weather,and it is especially impossible for our country to construct a global deep space network. 针对我国难以全天候24小时对探测器连续测控和通信,以及建立全球性深空网络困难的问题,提出利用地球静止轨道卫星编队进行深空导航的构想。
- This paper discusses the concept and instrumentation principle of Same Beam Interferometry (SBI) technology for deep space spacecraft by American Deep Space Network(DSN), and describes the application and development of this technology. 讨论了美国NASA深空网(DSN)对深空飞船所采用的同波束干涉(SBI)技术概念和测量原理,并介绍了这一技术的应用和发展情况。
- This paper introduces the new radiom et ric technologies adopted at Deep Space Network (DSN)of NASA, USA. Also,it di scusses the realistic significance of these technologies for the development of China deep space navigation technology. 本文介绍了美国航空航天局所属深空网 (DSN)在无线电跟踪测量方面已采用的新技术的应用情况 ,探讨了这些技术对于我国发展深空导航技术的实际意义。
- This paper summarizes the development of deep space TT &C technology of Russia(and former USSR), and mainly introduces the current structure and technology status of Russia deep space network and the under developed CCSDS compatible TT &C equipment. 简单总结了俄罗斯(前苏联)深空测控通信技术的发展过程,主要介绍了俄罗斯深空网目前的组成和技术现状以及正在研制的尽可能符合CCSDS建议的新的深空测控设备。
- Due to long communication delay between target asteroid and base stations and complex mutable dynamic environment of small body, the traditional GNC mode based on deep space network (DSN) is no more suitable for landing spacecraft on small body. 由于目标小天体和地面站之间存在较长的通汛延迟,加之小天体的动力学环境复杂多变,传统的基于深空网的导航、制导与控制(GNC)模式已不再适合探测器着陆小天体。
- The Beijing standard time on October 27 the news, reported according to the American deep space network, the other day, Canada astronomer group success photographed falls to an Earth's bolide. 北京时间10月27日消息，据美国太空网报道，日前，加拿大天文学家小组成功拍摄到落向地球的一颗火流星。
- Caption:: Interplanetary unmanned spacecrafts are distant and their signals are very weak. Using radio antennae, the Deep Space Network was set up for the interplanetary telecommunications. 在行星际空间航行的无人探测船，距离遥远，讯号微弱。由多台巨型碟型天线组成的深空网络因此建立，以作行星际的电信往来。
- Tell that joker to stop using my parking space. 叫那个家伙不要占用我的停车场。
- Deep Space Network and Its Applications 深空网及其应用
- There is plenty of space here to move about. 这里有很大的活动空间。
- We're a bit cramped for space in this attic. 在这间阁楼里我们有点活动不开。
- There isn't much space left for your luggage. 剩下的地方不太够你放行李的。
- It's easier for small car to find a parking space. 小型汽车比较容易找到停车空地。
- Large Antennas of the Deep Space Network 网大天线技术
- The hotel has garage space for thirty cars. 这家饭店有停放30辆小汽车的车位。
