資源簡介
對腦電數(shù)據(jù)心電數(shù)據(jù)進(jìn)行去趨勢波動分析DFA、多重分形去趨勢波動分析MFXDFA提取特征指標(biāo)。包含matlab代碼:去趨勢波動分析DFA,多重分形去趨勢波動分析MFXDFA

代碼片段和文件信息
function?F_n=DFA(DATAwin_lengthorder)
??????
???????N=length(DATA);???
???????n=floor(N/win_length);
???????N1=n*win_length;
???????y=zeros(N11);
???????Yn=zeros(N11);
???????
???????fitcoef=zeros(norder+1);
????????????mean1=mean(DATA(1:N1));
???????for?i=1:N1
???????????y(i)=sum(DATA(1:i)-mean1);
???????end
???????y=y‘;
???????for?j=1:n
???????????fitcoef(j:)=polyfit(1:win_lengthy(((j-1)*win_length+1):j*win_length)order);
???????end
???????for?j=1:n
???????????Yn(((j-1)*win_length+1):j*win_length)=polyval(fitcoef(j:)1:win_length);
???????end
???????sum1=sum((y‘-Yn).^2)/N1;
???????sum1=sqrt(sum1);
???????F_n=sum1;
??????????
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-15?15:52??DFA\
?????文件??????380860??2010-07-22?10:00??DFA\1.eps
?????目錄???????????0??2019-04-15?15:52??DFA\DFA\
?????文件????????2958??2018-11-01?14:34??DFA\DFA\DFA_calc1.m
?????文件????????1921??2018-10-12?21:20??DFA\DFA\DFA_computation1.m
?????文件????????3247??2018-11-04?17:29??DFA\DFA\MFXDFA_calc.m
?????文件????????2068??2018-10-31?20:15??DFA\DFA\MFXDFA_computation.m
?????文件????????4799??2018-07-19?12:58??DFA\DFA\PLR.m
?????文件?????????666??2010-07-22?09:55??DFA\DFA_1.m
?????文件???????70453??2010-07-22?09:55??DFA\data.mat
?????文件?????????836??2019-01-09?23:04??DFA\runDFA.m
評論
共有 條評論