Do you know where you are? How satellites keep us from getting lost
summary
A clear overview of satellite navigation systems (GPS, Galileo, GLONASS, BeiDou) explaining how they developed, how satellite orbits and onboard clocks work, and how the whole GNSS system computes precise positions and time. The talk also covers practical applications (maps, route following, satellite tracking, autonomous driving) and discusses future directions for precise positioning technology.
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chapters (13)
- 0:00Introduction
- 1:51Where are we really?
- 2:55What is a satellite?
- 8:39Space race history
- 12:52Satellite navigation systems
- 13:13Satellite orbits
- 15:49GNSS satellite clocks
- 20:11How GNSS works
- 27:00Three GNSS segments
- 35:54Positioning example
- 36:17GNSS applications
- 41:11Future of GNSS
- 45:05Q&A
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