Tag · 3 articles
sensor fusion
how to·9 min read
Fixing Barometric Altimeter Drift That Skews Jump Height Readings Indoors
Indoor HVAC and door-driven pressure swings quietly drift a barometric altimeter's baseline, inflating jump height over a session. Here is the re-zero fix.
barometric altimeter·jump height drift·indoor pressure drift
research·10 min read
IMU Magnetometer Interference Indoors: Why Steel Gyms Cause Heading Drift
Steel racks and rebar bend the local magnetic field and corrupt IMU heading. Two lab studies quantify the drift and the floor-mapping fix that controls it.
IMU·magnetometer·heading drift
guides·8 min read
IMU Drift and Sensor Fusion: Why Your Data Wanders and How It's Fixed
A bar velocity reading that creeps upward for no reason isn't a broken app. It's uncorrected IMU drift, and a 90-second calibration habit controls it.
IMU·sensor fusion·drift correction