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Energy 的代码
program_12_10.m
% 当前的延拓模式是补零
% 产生原始信号
x = randn(1,200);
% 计算x的shannon熵
e1 = wentropy(x,'shannon')
% 计算x的对数能量熵
e2 = wentropy(x,'log energy')
% 计算x的阈值熵,阈值取为0.2
e3 = wentropy(x,'threshold',0.2)
% 计算x的“sure”熵,阈值
sigmerge.m
function sig=sigmerge(x1,x2,ratio);
%SIGMERGE Add two signals with given energy ratio in dB.
% SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given
% energy ratio expressed in deciBels is satisf
margtfr.m
function [margt,margf,E]=margtfr(tfr,t,f)
%MARGTFR Marginals and energy of a time-frequency representation.
% [MARGT,MARGF,E]=MARGTFR(TFR,T,F) calculates the time and
% frequency marginals and the en
margtfr.m
function [margt,margf,E]=margtfr(tfr,t,f)
%MARGTFR Marginals and energy of a time-frequency representation.
% [MARGT,MARGF,E]=MARGTFR(TFR,T,F) calculates the time and
% frequency marginals and the en
sigmerge.m
function sig=sigmerge(x1,x2,ratio);
%SIGMERGE Add two signals with given energy ratio in dB.
% SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given
% energy ratio expressed in deciBels is satisf
sigmerge.m
function sig=sigmerge(x1,x2,ratio);
%SIGMERGE Add two signals with given energy ratio in dB.
% SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given
% energy ratio expressed in deciBels is satisf
margtfr.m
function [margt,margf,E]=margtfr(tfr,t,f)
%MARGTFR Marginals and energy of a time-frequency representation.
% [MARGT,MARGF,E]=MARGTFR(TFR,T,F) calculates the time and
% frequency marginals and the en
margtfr.m
function [margt,margf,E]=margtfr(tfr,t,f)
%MARGTFR Marginals and energy of a time-frequency representation.
% [MARGT,MARGF,E]=MARGTFR(TFR,T,F) calculates the time and
% frequency marginals and the en
sigmerge.m
function sig=sigmerge(x1,x2,ratio);
%SIGMERGE Add two signals with given energy ratio in dB.
% SIG=SIGMERGE(X1,X2,RATIO) adds two signals so that a given
% energy ratio expressed in deciBels is satisf
historyupdate.m
function Eh = historyupdate(Eh,Ev,t,T)
% Temperature & Energy history update method supplied with SA Tools.
% Copyright (c) 2002, by Richard Frost and Frost Concepts.
% See http://www.frostconcepts