visual3d:documentation:pipeline:metric_commands:metric_compute_power_from_dft_coefficients
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visual3d:documentation:pipeline:metric_commands:metric_compute_power_from_dft_coefficients [2024/06/14 17:27] – created sgranger | visual3d:documentation:pipeline:metric_commands:metric_compute_power_from_dft_coefficients [2024/07/17 15:46] (current) – created sgranger | ||
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- | |**Language: | + | ====== |
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- | |===== Contents =====\\ \\ \\ \\ * [[# | + | |
The power in a signal can be computed from the [[Visual3D: | The power in a signal can be computed from the [[Visual3D: | ||
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These two metrics are commonly used to describe changes related to muscle fatigue. | These two metrics are commonly used to describe changes related to muscle fatigue. | ||
- | ===== Signal Components | + | ==== Signal Components ==== |
The resulting Metric signal has two components. | The resulting Metric signal has two components. | ||
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The first component is the frequency. | The first component is the frequency. | ||
The second component is the power at the associated frequency. | The second component is the power at the associated frequency. | ||
- | ===== Median Frequency | + | ==== Median Frequency ==== |
The Median Frequency is the Frequency at which the Integral of the Power Spectrum to that Frequency equals half the Integral of the Total Power Spectrum (e.g. divides the power spectrum in two) | The Median Frequency is the Frequency at which the Integral of the Power Spectrum to that Frequency equals half the Integral of the Total Power Spectrum (e.g. divides the power spectrum in two) | ||
- | [[File: | + | {{:MedianFrequency.jpg}} where MF = Median Frequency |
- | ===== Mean Frequency | + | ==== Mean Frequency ==== |
The Mean Frequency is the Ratio of the Integral of the Frequency*Power over the Integral of the Power. | The Mean Frequency is the Ratio of the Integral of the Frequency*Power over the Integral of the Power. | ||
- | [[File: | + | {{:MeanFrequency.jpg}} |
- | ===== _STATS | + | ==== _STATS ==== |
An additional result signal appended with _STATS is also created. | An additional result signal appended with _STATS is also created. | ||
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This signal contains the median frequency (component 1) and mean frequency (component 2) | This signal contains the median frequency (component 1) and mean frequency (component 2) | ||
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- | Retrieved from "" | ||
visual3d/documentation/pipeline/metric_commands/metric_compute_power_from_dft_coefficients.1718386055.txt.gz · Last modified: 2024/06/14 17:27 by sgranger