Welch PSD

Compute the power spectral density (PSD) using Welch’s method.

Inputs

Outputs

  • (psds, freqs)
    • psds - The power spectral densities.
    • freqs - The frequencies.

Use

widgets/images/welch1.png

  1. Start frequency - Min frequency of interest
  2. End frequency - Max frequency of interest
  3. Start time - Min time of interest
  4. End time - Max time of interest
  5. Number of points to use in Welch FFT calculations

Example

widgets/images/exa8work.png

widgets/images/exa8plot.png

More information here.