Description Usage Arguments Details Value

View source: R/funs_acc_processing.r

The raw acceleration is first filtered using a low pass butterworth filter. Then , the extracted signal can be scaled so that the norm of the the vector G is 1 at each second.

1 | ```
static_acc(x, fs = 16, fc = 0.2, Gscale = TRUE, agg_1hz = TRUE)
``` |

`x` |
3 axes acceleration table with time in the first column and acceleration
axes in the following columns. Variables must be entitled |

`fs` |
sampling frequency of the input data (Hz). |

`fc` |
Cut-off frequency for the butterworth low pass filter (Hz) |

`Gscale` |
Should the values be scaled by the norm of the static acceleration vector ? |

`agg_1hz` |
Should the input be aggregated to 1 Hz ? |

This filtered acceleration can be used to compute pitch and roll angles

returns a data.frame with time, and X, Y and Z static accelearyion at 1 Hz.

SESman/rbl documentation built on June 24, 2017, 8:48 a.m.

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