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Median and Mean Frequency Analysis

Analysis of EMG signals in the frequency domain can provide useful insight into the nature of the EMG data. The frequency spectrum data may be used to generate other measures associated with EMG frequency analysis. Select an area of EMG data and use the Fast Fourier Transform function to perform a linear magnitude FFT on the selected data, then integrate the result to determine the median and mean frequency. AcqKnowledge® can be used to calculate these parameters after the EMG data has been collected. AcqKnowledge fully automates the frequency analysis process. See the Automated EMG Analysis Advanced Feature for further information.

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