Amap Tech
Aug 18, 2021 · Fundamentals
Hardware Overview of High‑Precision Positioning and Orientation Systems
The article reviews the hardware of high‑precision positioning and orientation systems, explaining how GNSS and inertial measurement units (IMUs) are combined, describing sensor types, error sources, selection criteria, and testing methods needed to achieve centimeter‑level accuracy for mapping and mobility applications.
GNSSIMUhigh precision positioning
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