HOPO / KNOWLEDGE IN MOTIONUnderstanding centimeter positioning and mission error
Distinguish positioning accuracy, repeatability and machine task accuracy to define a meaningful evaluation.
KNOWLEDGE / INSIGHTS / CONNECTION
Hopo Wiki.
Explore navigation technology and engineering, from satellite positioning to embodied intelligence.
Knowledge that gives every exploration a direction.
LEARNING PATH
Four layers of spatial intelligence.
11 articles
IMU, INS and GNSS/INS: understanding continuous pose
Explore inertial sensing, accumulated drift, fusion constraints and calibration, including coupling terminology.
GNSS fundamentals: signals, carrier phase and errors
Learn the major satellite systems, pseudorange and ambiguity, and why canopy and urban canyons degrade positioning.
LEO augmentation and integrated communications/navigation
Distinguish LEO PNT, GNSS augmentation and communications, and understand how constellation, signal and terminal interact.
Multimodal navigation: how GNSS, inertial, vision and radar work together
Explore complementary sensing, HopoEngine pose output and practical integration evaluation.
Navigation glossary: from GNSS to embodied intelligence
Seven groups of acronyms and engineering terms for specifications, proposals and technical conversations.
PPP, PPP-RTK and RTK: choosing an augmentation approach
Compare references, corrections, coverage and convergence without confusing no local base with no external service.
RTK explained: fixed solutions, float solutions and corrections
Follow corrections from reference station to rover and understand NTRIP, RTCM and recovery after signal loss.
From positioning to spatial intelligence: a four-layer map
Understand how satellites, corrections, sensor fusion and intelligence connect positioning to a robot mission.
VIO and SLAM: pose estimation, mapping and relocalization
Understand odometry, loop closure and absolute coordinates, including limits in weak-texture and dynamic scenes.
VLN, semantic navigation and embodied intelligence
Distinguish language understanding, perception, planning and safe execution within vision-language navigation.
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