freq_vector_welch (pyleoclim.utils.wavelet.freq_vector_welch)

pyleoclim.utils.wavelet.freq_vector_welch(ts)[source]

Return the frequency vector based on the Welch’s method.

Parameters

ts (array) – time axis of the time series

Returns

freq – the frequency vector

Return type

array

References

https://github.com/scipy/scipy/blob/v0.14.0/scipy/signal/Spectral.py

See also

pyleoclim.utils.wavelet.freq_vector_lomb_scargle

Return the frequency vector based on the REDFIT recommendation.

pyleoclim.utils.wavelet.freq_vector_nfft

Return the frequency vector based on NFFT

pyleoclim.utils.wavelet.freq_vector_scale

Return the frequency vector based on scales

pyleoclim.utils.wavelet.freq_vector_log

Return the frequency vector based on logspace

pyleoclim.utils.wavelet.make_freq_vector

Make frequency vector