emin.m

最新的HHT时频分析程序By Huang and Wu

function [mi, ti]=emin(x)
  
% The function EMIN returns the data min points and their coordinates.
%
% Calling sequence-
% [mi, ti]=emin(x)
%
% Input-
%	x	- vector of input data x(n)
% Output-
%	mi	- vector that specifies min points
%	ti	- vector that specifies the coordinates of min points
 
% Norden Huang (NASA GSFC)	November 11, 1999 Initial