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Energy 的代码
energy.asm
;===============================================================
; File Name
; ----------
; ENERGY.ASM
;
; Brief Description of the Code:
; ------------------------------
; Find the lag t
energy.asm
;===============================================================
; File Name
; ----------
; ENERGY.ASM
;
; Brief Description of the Code:
; ------------------------------
; Find the lag t
energy_cons_1d.tex
\begin{comment}
#include
#include
#include
\end{comment}
\section{Energy conservation in one dimension}
In this example, we compute the total energy over time for a p
energy_cons.tex
\begin{comment}
#include
#include
#include
\end{comment}
\section{Energy conservation in cylindrical coordinates}
In this example, we compute the total energy over ti
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
exa1_28.m
% exa1-28_energy.m for example 1-28
% signal energy
n=0:3;
x1=[2 0.5 0.9 1];
Ex=sum(x1.*conj(x1))
%或Ex=sum(abs(x1).^2)
cp0201_waveform.m
%
% FUNCTION 2.5 : "cp0201_waveform"
%
% Generates the energy-normalized pulse waveform
%
% Special case of the second derivative Gaussian pulse:
% SCHOLTZ'S MONOCYCLE
%
% ********************
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
例程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