blocknormalize.m

来自「最新的HHT时频分析程序By Huang and Wu」· M 代码 · 共 23 行

function [x,a]=blocknormalize(x)

% The function BLOCKNORMALIZE normalizes each block of the input signal, 
% as defined by zero crossings, to have a maximum amplitude of 1.
%
% Suggestion: if the routine is needed than use it with caution.
%
% Calling sequence-
% [x,a]=blocknormalize(x)
%
% Input-
%	x	- 2-D matrix data(npt,ncol) 
% Output-
%	x	- 2-D matrix of normalized data
%	a	- 2-D matrix of envelope
%
% Used by-
% 	FA

% Kenneth Arnold (NASA GSFC)    Summer 2003 Initial
% Kenneth Arnold (NASA GSFC) June 6, 2004 Tweaked