最后，对星座卫星通信系统安全预警机制的关键技术进行了讨论。
At last, this paper discussed the key technologies which were used for security warn mechanism.
通过分析星座卫星通信系统安全预警机制需求，给出了星座卫星通信系统安全预警机制的总体结构。
By analyzing the requirement of security warn mechanism, the general structure about security warn mechanism was presented.
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.
政策的一个动力是，公司已经开始建造大规模的星座，包括成百上千的卫星和其中许多运动部件。
One impetus for the policy is that companies are already starting to build massive constellations, comprising hundreds or thousands of satellites with many moving parts among them.
一颗AEHF卫星提供的总容量比整个军事星星座更大。
One AEHF satellite will provide greater total capacity than the entire Milstar constellation.
尽管部署在单一区域，但首颗WGS卫星将提供比整个DSCS星座更高的通信吞吐量。
The first WGS satellite alone will provide more communications throughput, albeit in a single region, than the entire DSCS constellation, according to the Air Force.
一颗WGS卫星就能提供比现有的DSCS星座更大的通信量。
Indeed, One WGS satellite will provide more throughput than the entire Defense Service Communications satellite (DSCS) constellation currently on station.
该星座的运作作为全网状网络，是世界上最大的商业卫星星座。
The constellation operates as a fully meshed network and is the largest commercial satellite constellation in the world.
新型卫星星座将成为全球性无线宽带网络(又称InmarsatGlobal Xpress)的骨干。
The new satellite constellation will be the backbone for a worldwide, wireless broadband network called Inmarsat Global Xpress.
NIST的物理学家JamesBergquist指出，原子钟出现后不久就有了利用卫星星座进行导航的思想。
NIST physicist James Bergquist notes that the idea of using a constellation of satellites for navigation came up only after atomic clocks were developed.
新网络将保持66颗跨链低轨卫星的星座体系，覆盖全球所有区域。
The new network will maintain the Iridium constellation architecture of 66 cross-linked LEO satellites covering 100 percent of the globe.
其中之一是将小卫星发射到低地球轨道构成卫星星座，以便能提供对目标的持续覆盖。
One calls for launching microsatellites into low Earth orbit in constellations that would provide continuous target coverage.
它的星座由66个低地球轨道交联卫星组成，并有多个卫星在轨备用。
Its constellation consists of 66 low earth-orbiting, cross-linked satellites and has multiple in-orbit spares.
SELEXGalileo公司今天推出Galileo星座，该星座是世界上最先进的卫星导航系统，卫星上将装备SELEX Galileo公司的PHM原子钟。
The European Space Agency's Galileo constellation - the world's most sophisticated satellite navigation system which was launched today - will have SELEX Galileo's PHM atomic clocks on board.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
星座设计是卫星移动通信系统设计一个非常关键的内容，直接关系到系统的性能与成本。
Constellation design is one of the key contents for the design of satellite communications system.
将星座的位置与失落的古城联系起来，使用一小块地域的卫星图象，以鉴别掩埋在浓密植被下的遗址，这真的是让人非常意外。
Linking the position of stars and the location of a lost city and the use of satellite images on a tiny territory to identify the remains buried under dense vegetation, is quite exceptional.
熊熊燃烧猎户座：上周NASA的广域红外线巡天探测卫星或称WISE发表的新图片表明，一个火焰状星云落在我们熟悉的星座上。
There's a fire raging in Orion: A new picture released last week from NASA's Wide-field Infrared Survey Explorer, or WISE, shows the Flame nebula alight in the familiar constellation.
卫星星座覆盖性能指标评估的快速性对星座优化设计有重要的意义。
In satellite constellation design, the rapid evaluation of the coverage performance is of great importance.
针对小卫星星座的自主运行，重点研究了星座自主导航和自主维持技术。
According to its autonomy operating, the technology including autonomous navigation and maintenance of the constellation is emphasized.
卫星星座的选择与设计是航天任务实现中的一项重要环节。
The design of Satellite Constellation is one of the important steps to carry out space missions.
亚太空间合作组织联合多任务小卫星星座和大学生小卫星项目建设。
Construction of the APSCO Joint Small Multi-mission Satellite Constellation Program and University Small Satellite Project Development.
提出了一种适用于装备有星际链路的低轨卫星星座网的切换策略——最小跳数切换策略。
This paper proposes a new handover strategy named minimal-hops handover (MHH) strategy for the LEO satellite constellations equipped with inter-satellite link (ISL).
该文讨论了使用中轨共地面轨迹星座建立区域覆盖卫星通信系统的优化设计方法。
An optimization design method for implementing regional coverage satellite system with common-track constellation is proposed.
星座方案选择对卫星定位系统的性能具有很大影响，它应提供多重复盖并满足一定的几何关系。
Constellation design has great influence on the performance of satellite positioning system, the constellation should provide multi-coverage and satisfy certain geometry.
在卫星星座内的时间同步中，为满足时间同步信号的传输要求，需要对星间链路进行分析和设计。
It is necessary to analyze and design the intersatellite link (ISL) for satisfying the requirement of time synchronization signal transmitting in satellite constellation time synchronization.
在卫星星座内的时间同步中，为满足时间同步信号的传输要求，需要对星间链路进行分析和设计。
It is necessary to analyze and design the intersatellite link (ISL) for satisfying the requirement of time synchronization signal transmitting in satellite constellation time synchronization.
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