| 摘要: |
| 回顾了卫星导航增强系统的由来和发展，讨论了卫星导航增强系统的使命及组成，介绍了卫星导航增强系统的演进及部分亮点，探讨了卫星导航增强系统的实质及关键技术，最后对卫星导航增强系统作了讨论、展望与评论。 |
| 关键词: 卫星导航 增强系统 差分系统 广域 局域 |
| DOI： |
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| 基金项目: |
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| Discussion on Satellite Navigation Augmentation System |
| SHI Hu-li,LI Lin |
| (National Astronomical Observatories;Beijing RiYue JiuTian Technology Co.Ltd;Hangzhou Dianzi University) |
| Abstract: |
| This paper reviewed the satellite navigation augmentation system by looking back at its origin and development，discussed its mission and composition，explored its essence and key technology and finally forecasted the future of the system. |
| Key words: Satellite navigation Augmentation system Differential system Wide area Local area |
