, Extract the inter-step segments (Leap Periods)
, Create a signal as the concatenation of the extracted inter-step segments
, Compute the Discrete Fourier Transform on VGRF followed by a magnitude operator
, Perform Low-pass filtering to reduce noise variance
, Perform post-processing to remove processing distortions
, Perform spectral subtraction PSD_Filtered_VGRF = PSD_VGRF-PSD_noise
, Compute the Inverse Discrete Fourier Transform to the processed signal
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