In GNSS (GPS, etc.) navigation, the system provides precise positioning, while INS (Inertial Navigation System) detects short-term movements. So how are these two synchronized? Is it done using sensor fusion techniques? What approaches are more effective for error correction?
How do GNSS and INS work together in drones?
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In sensor fusion methods, is it common to combine GNSS’s long‑term accuracy with INS’s short‑term precision using a Kalman filter (or its variants)?