“satellite-based augmentation system”的概念、定义、翻译、参考文献-科学参考

单词	satellite-based augmentation system
释义	satellite-based augmentation system Encyclopedia 工学卫星导航释 satellite-based augmentation system；SBAS广域差分增强系统通过地球静止轨道卫星搭载卫星导航增强信号转发器，向用户播发星历误差、卫星钟差、电离层延迟等多种修正信息，实现对原有卫星导航系统定位精度的改进的导航增强系统。又称星基增强系统。
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