卫星系统

The first design example is to generate program code for image processing controller to control picture file output and the second design example is a GPS satellite C/A code generator to generate the C/A code of GPS satellites. C/A code can be used to recognize GPS satellite number in GPS system.

最后我们使用两个例子来验证本工具，一个为影像处理控制器，其功能为控制图档输出功能，另一个为GPS卫星C/A码产生器，其功能在於能够产生太空中GPS卫星所使用的C/A码信号，C/A码在GPS系统中被用来识别GPS卫星编号。

The report has presented detailed research on concerned instances of integrated navigation and compared it with the system of the subsonic vehicle. The research has shown that the scheme composed of Changhe Ⅱ loran, Beidou satellite navigation system and GNSS for such subsonic vehicles is feasible and technically realizable.

本文对有关组合导航的实例进行了详细研究，与亚音速飞行器组合导航系统进行了比较研究，表明亚音速飞行器采用"长河二号"无线电导航系统、"北斗"卫星导航系统和全球卫星导航系统进行组合导航是切实可行的，在技术上是完全可以实现的。

Because it is a fastener of secondary antenna emitter and secondary antenna main body, in addition is fixed part and brace of secondary antenna reverberator, its structure parameter affect the whole antenna system's dynamical characteristic greatly, farther affect the other dynamical design index and to adjust secondary planet's pose .

由于它既是卫星天线反射器与卫星星体的连接件，又是卫星天线反射器的固定件和支撑件，故其结构参数对整个天线系统的动力学特性影响极大，进而影响到天线的其他动力学设计指标和卫星姿态的调整。

The left and right sides satisfies China and circumjacent area user to be opposite the demand of satellitic navigation system, have systematic group net and test, expand stage by stage for global satellite navigation system.

在2008年左右满足中国及周边地区用户对卫星导航系统的需求，并进行系统组网和试验，逐步扩展为全球卫星导航系统。

The Beidou navigational system is characterized by the technical dominance of locating and navigation, data communication, noting time and also by the features of all-day-and-night long, totipotent, real time and continuity.

北斗卫星定位导航系统是我国完全自主知识产权的军民共用卫星定位导航系统，北斗导航系统具有集定位导航、数据通信、授时三大功能为一体的技术优势和全天候、全能性、实时性、连续性的工作特点。

This article elaborated one kind of automated test system used to test the data transmission system on the satellite.Now adays,the data transmission system has a greater capacity and higher transmission speed.This test system makes the function and performance index test more effective.

在现今星基遥感探测技术高速发展的大环境下，为更加有效地检测大容量、高速率的卫星数据传输系统的各项功能、性能指标，设计了基于空间数据系统咨询委员会建议的高级在轨系统高速遥感卫星数据传输地面自动化测试系统。

Reaction wheel is an important executive component of satellite attitude control system,and the improvement of flywheel system is spurred by high performance satellite attitude control system.

反作用飞轮是卫星姿态控制系统的重要执行元件，提高飞轮系统的性能对卫星姿态控制系统具有重要意义。

Flying a formation of satellites offers improved flexibility and redundancy and the ability to construct much large virtual sensors than can be flown on a single monolithic satellite.In this background, the thesis concentrates on the study of the formation design and station keeping, one of the critical technologies of formation flying.

卫星编队飞行技术可以使用若干个小卫星代替传统单个复杂的大卫星，并且具有提高系统灵活性，增加任务冗余度，超越传统单个大卫星功能的特点，因此在近几年受到国内外航天界的广泛重视，成为研究热点。

Its setup thoroughly solved the problem of domestic applied understructure building for the Beidou satellite locating and navigational system, paving both for the domestic large-scale use and industrialized development.

神州天鸿民用网管系统的建立彻底解决北斗卫星定位导航系统的民用基础建设问题，为北斗卫星定位导航系统的民用大规模应用和产业化发展奠定了坚实的系统基础。

The system includes a plane-carried communication subsystem, a satellite communication subsystem, and a ground communication subsystem, wherein, the ground communication subsystem includes a first communication terminal, a second communication terminal, and a ground communication network. The ground communication subsystem also includes an incoming transfer subsystem. The first communication terminal's calling to the second communication terminal is transferred to the corresponding fixed satellite communication terminal through the ground communication network, the satellite communication terminal, and plane-carried communication subsystem according to the correspondence of incoming call transfer.

本发明系统包括机载通信子系统、卫星通信子系统和地面通信子系统，其中，所述地面通信子系统包括第一通信终端、第二通信终端、地面通信网，所述地面通信子系统还包括来电转接子系统，所述地面通信子系统中第一通信终端向第二通信终端的呼叫按照来电转接对应关系依次通过地面通信网、卫星通信子系统、机载通信系统子系统转接到对应的固定卫星通信终端。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。