Quick spectral analysis plots
Inputs:
data - the data for spectral analysis
K - averaging parameter, explained below
beta - beta value for the Kaiser window
out_form - spectral analysis option
samp_freq - data sampling frequency
Outputs:
out - calculated spectral estimate in form specified by out_form
Averaging Parameter:
The spectra are smoothed by averaging over windows 1/K times the full
length of data. This smoothing method is based upon a technique described
in section 13.4 of "Numerical Recipies in C++", Second Edition.
Windowing:
Each of the above windows are multiplied with a Kaiser window with the
provided window beta value given by the beta input parameter.
Output Format Options:
'as' - amplitude spectrum
'ps' - power spectrum
'asd' - amplitude spectral density
'psd' - power spectral density
'rms' - integrated rms motion
Citation pour cette source
Matthew (2024). Quick spectral analysis plots (https://www.mathworks.com/matlabcentral/fileexchange/27881-quick-spectral-analysis-plots), MATLAB Central File Exchange. Récupéré le .
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Version | Publié le | Notes de version | |
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1.2.0.0 | Corrected a bug which stops this script working with multi-column data. |
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1.0.0.0 |