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Highlights from
Hilbert-Huang Transform

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from Hilbert-Huang Transform by Alan Tan
This submission is a realization of the Hilbert-Huang transform (HHT).

findpeaks(x)
function n = findpeaks(x)
% Find peaks.
% n = findpeaks(x)

n    = find(diff(diff(x) > 0) < 0);
u    = find(x(n+1) > x(n));
n(u) = n(u)+1;

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