Accelerometer x axis measurement in any calibrated units.
ayi
Accelerometer y axis measurement in any calibrated units.
azi
Accelerometer z axis measurement in any calibrated units.
sampleFreqi
Sample frequency.
betai
Algorithm gain beta.
q0i
Quaternion[0]
q1i
Quaternion[1]
q2i
Quaternion[2]
sampleFreq
Sample frequency.
Value
output quaternion describing the Earth relative to the sensor.
References
S. O. H. Madgwick, An efficient orientation filter for inertial and
inertial/magnetic sensor arrays, Technical report,
University of. Bristol University, UK, 2010.