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Number | Symbol | Description |
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1 | | Root mean square (RMS) of y-axis acceleration |
2 | | RMS of x-axis angular velocity |
3 | | RMS of y-axis angular velocity |
4 | | RMS of z-axis angular velocity |
5 | | Variance of x-axis acceleration |
6 | | Variance of y-axis acceleration |
7 | | Variance of y-axis angular velocity |
8 | | Maximum of x-axis acceleration |
9 | | Maximum of y-axis acceleration |
10 | | Minimum of y-axis acceleration |
11 | | Minimum of y-axis angular velocity |
12 | | Skewness of x-axis acceleration |
13 | | Skewness of y-axis acceleration |
14 | | Skewness of z-axis acceleration |
15 | | Skewness of x-axis angular velocity |
16 | | Skewness of y-axis angular velocity |
17 | | Skewness of z-axis angular velocity |
18 | | Interquartile range of x-axis acceleration |
19 | | Interquartile range of y-axis acceleration |
20 | | Interquartile range of z-axis acceleration |
21 | | Interquartile range of x-axis angular velocity |
22 | | Interquartile range of y-axis angular velocity |
23 | | Interquartile range of z-axis angular velocity |
24 | | Standard deviation of x-axis acceleration |
25 | | Standard deviation of y-axis angular velocity |
26 | | Mean value of pitch |
27 | | Mean value of roll |
28 | | Mean value of yaw |
29 | | Root mean square of pitch |
30 | | Root mean square of roll |
31 | | Root mean square of yaw |
32 | | Standard deviation of pitch |
33 | | Standard deviation of raw |
34 | | Standard deviation of yaw |
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