Abstract
Aiming at the fact that many researchers did not understand the concept of GPS/SINS time synchronization clearly, understanding of time synchronization was proposed. Firstly, time delay of serial navigation data relative to 1 pps of Novatel GPS receiver was measured by an oscillograph, based on which time synchronization error of GPS/SINS integrated system including this GPS receiver was estimated, which was between 0.6 s and 1.6 s. Then, a vehicle experiment was accomplished with an integrated system comprised of this receiver and a military airborne SINS. Experiment results showed that time synchronization error fitted with vehicle experiment data was about 1.1 s, which illustrated that the description on the concept of GPS/SINS integrated system time synchronization in this paper is practical.
| Original language | English |
|---|---|
| Pages (from-to) | 1181-1184 |
| Number of pages | 4 |
| Journal | Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University |
| Volume | 34 |
| Issue number | 10 |
| State | Published - Oct 2009 |
Keywords
- Experimental demonstration
- GPS/SINS
- Integrated system
- Physical concept
- Time synchronization
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