cwt_adm are internal SynchWave functions.
imdilate is adapted from Matlab.
quadgk is from pracma packake 1.4.5 authored by Hans W Borchers (hwborchers at googlemail.com).
Other codes are translated from MATLAB Synchrosqueezing Toolbox, version 1.1 developed by Eugene Brevdo (http://www.math.princeton.edu/~ebrevdo/).
These are not to be called by the user.
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