| 1. | Dual - satellite positioning system was designed and controlled by our country
北斗双星导航定位通信系统是我国自行设计研制的卫星导航系统。 |
| 2. | The geostationary satellite positioning system of china is region satellite navigation system
双星系统是我国自行设计的区域卫星导航定位系统。 |
| 3. | Gps is a satellite positioning system that was developed by the united states army in the 1970 ' s
Gps是本世纪70年代由美国陆海空三军联合研制的新一代空间卫星导航定位系统。 |
| 4. | New technological applications , such as the satellite positioning system , are being used to enhance the services to users
本处更引进全球定位系统等最新科技，为各类发展提供参考点的位置。 |
| 5. | The theory and method of the region passive pseudolites positioning based on geostationary satellite positioning system are systematically discussed
本文系统地讨论了基于双星的伪卫星无源区域定位系统的定位理论以及方法。 |
| 6. | An integrated satellite positioning system enables these measurements to be geo - referenced to real world co - ordinates making the resulting data suitable for use in a gis environment
综合卫星定位系统,使这些测量是地理参照真实世界统筹,使由此产生的数据适合用于地理环境 |
| 7. | The geostationary satellite positioning system with two satellites is a region , 2d and approximately real time positioning system , and obviously , the key to it ' s application is how to get the digital elevation model with sufficient accuracy
双星定位系统是我国自行研制和开发的区域性、二维、准实时定位系统，其应用的关键是获取一定精度要求的数字高程模型。 |
| 8. | Therefore , it is very significant to find the way of realizing passive positioning . a method of the region passive pseudolites positioning based on geostationary satellite positioning system is presented . firstly , the positioning theory and method are discussed and the positioning accuracy is analyzed
本文首先讨论了系统的定位原理以及定位方法，通过仿真分析比较了双星系统增强前后定位精度的改进，详细分析了影响伪卫星基站布站的几个因素，确定了基站的布站方案。 |
| 9. | The double - start positioning system is an all - weather and regional satellite positioning system , developed independently by our country . this paper discusses the cpu implementation of the dispread subsystem in the double - start positioning system to carry out the main control of the system and to finish the information frame processing . the hardware platform we used is based on cirrus logic ' s ep7312 develop board
在北斗卫星地面用户机解扩分机的研制中，其主控模块的设计开发采用目前流行的基于arm架构的嵌入式微处理器设计思想，以cirruslogic公司ep7312嵌入式处理器为核心的片上系统soc设计开发， ep7312处理器是专门为低成本、超低功耗的应用设计的。 |
