Wavelet and spectral preprocessing functions (pyleoclim.utils.wavelet)

AliasFilter	Performs anti-alis filter on a PSD. Experimental
assertPositiveInt	Asserts that the arguments are all positive integers
wwz_basic	Returns the weighted wavelet amplitude estimated from the original Foster method. No multiprocessing
wwz_nproc	Returns the weighted wavelet amplitude using the original method from Kirchner. Supports multiprocessing
kirchner_basic	Return the weighted wavelet amplitude (WWA) modified by Kirchner. No multiprocessing
kirchner_nproc	Returns the weighted wavelet amplitude (WWA) modified by Kirchner. Supports multiprocessing
kirchner_numba	Return the weighted wavelet amplitude (WWA) modified by Kirchner using Numba package.
kirchner_f2py	Returns the weighted wavelet amplitude (WWA) modified by Kirchner. Uses Fortran. Fastest method but requires a compiler.
make_coi	Return the cone of influence.
make_omega	Return the angular frequency based on the time axis and given frequency vector
wwa2psd	Return the power spectral density (PSD) using the weighted wavelet amplitude (WWA).
freq_vector_lomb_scargle	Return the frequency vector based on the REDFIT recommendation.
freq_vector_welch	Return the frequency vector based on the Welch’s method.
freq_vector_nfft	Return the frequency vector based on NFFT
freq_vector_scale	Return the frequency vector based on scales
freq_vector_log	Return the frequency vector based on logspace
make_freq_vector	Make frequency vector
beta_estimation	Estimate the power slope of a 1/f^beta process.
beta2HurstIndex	Translate psd slope to Hurst index
psd_ar	Return the theoretical power spectral density (PSD) of an autoregressive model
fBMsim	Select an ensemble table from a list
psd_fBM	Return the theoretical psd of a fBM
get_wwz_func	Return the wwz function to use.
prepare_wwz	Return the truncated time series with NaNs deleted and estimate frequency vector and tau
cross_wt	Return the cross wavelet transform.
wavelet_coherence	Return the cross wavelet coherence.
reconstruct_ts	Reconstruct the normalized time series from the wavelet coefficients.