plot_psd#

pymultifracs.viz.plot_psd(signal, fs, wt_name='db2', log_base=2, ax=None, **welch_kwargs)#

Plot the superposition of Fourier-based Welch estimation and Wavelet-based estimation of PSD on a log-log graphic.

Based on the wavelet_fourier_spectrum function of the MATLAB toolbox mf_bs_toolbox-v0.2 [1]

Parameters:

signalndarray of float, shape (n_samples,): Time series of sampled values
fsfloat: Sampling frequency of signal
wt_namestr: Name of the decomposing wavelet.
log_baseint: Base of the logarithm in the plot axes.
axAxes | None: Axes where to plot the PSD.
**welch_kwargsdict: Arguments passed to the scipy.signal.welch() function.

References

[1]