Table 5.
Data stored in .txt files (all variables are with dimension n x 1).
| Labels | Unit | Description |
|---|---|---|
| PacketCounter | N/A | Packet counter, value will be same if data frames were recorded at the same time (increase 1 unit per data frame) |
| SampleTimeFine | N/A | Not recorded in this study |
| Acc_X | m/s2 | Acceleration in the vertical direction (w/gravity) |
| Acc_Y | m/s2 | Acceleration in the medio-lateral direction (w/gravity) |
| Acc_Z | m/s2 | Acceleration in the anterior-posterior direction (w/gravity) |
| FreeAcc_X | m/s2 | Acceleration in the vertical direction (w/o gravity) |
| FreeAcc_Y | m/s2 | Acceleration in the medio-lateral direction (w/o gravity) |
| FreeAcc_Z | m/s2 | Acceleration in the anterior-posterior direction (w/o gravity) |
| Gyr_X | rad/s | Rate of turn along the vertical direction |
| Gyr_Y | rad/s | Rate of turn along the medio-lateral direction |
| Gyr_Z | rad/s | Rate of turn along the anterior-posterior direction |
| Mag_X | a.u. | 3D magnetic field in the vertical direction |
| Mag_Y | a.u. | 3D magnetic field in the medio-lateral direction |
| Mag_Z | a.u. | 3D magnetic field in the anterior-posterior direction |
| VelInc_X | m/s | Delta_velocity (dv) in the vertical direction |
| VelInc_Y | m/s | Delta_velocity (dv) in the medio-lateral direction |
| VelInc_Z | m/s | Delta_velocity (dv) in the anterior-posterior direction |
| OriInc_q0 | N/A | Delta_quaternion (q0) |
| OriInc_q1 | N/A | Delta_quaternion (q1) |
| OriInc_q2 | N/A | Delta_quaternion (q2) |
| OriInc_q3 | N/A | Delta_quaternion (q3) |
| Roll | deg | Euler angles in XYZ Earth fixed type (roll) |
| Pitch | deg | Euler angles in XYZ Earth fixed type (pitch) |
| Yaw | deg | Euler angles in XYZ Earth fixed type (yaw) |