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基于ICA的單通道盲源分離算法,程序代碼方便讀者理解,里面包含了相關(guān)數(shù)據(jù)源和程序包

資源截圖

代碼片段和文件信息

function?[ykalman]?=?ex1kalman()
????load(‘Data/simdata.mat‘‘t‘‘y‘‘ynf‘‘ysin‘);
????%?State?=?(y?ydot).?We?only?observe?(y).
????%?X(t+1)?=?F?X(t)?+?noise(Q)
????%?Y(t)?=?H?X(t)?+?noise(R)
????fprintf(1?‘-----------------Kalman-----------------\n‘);
????ss?=?2;?%?state?size
????os?=?1;?%?observation?size
????F?=?[1?0;?0?1];?
????H?=?[1?0];
????Q?=?0.1*eye(ss);
????R?=?1*eye(os);
????initx?=?[0?0]‘;
????inity?=?1*eye(ss);

????%[xfilt?Vfilt?VVfilt?loglik]?=?kalman_filter(y?F?H?Q?R?initx?inity);
????ykalman?=?kalman_smoother(y?F?H?Q?R?initx?inity);

????%?dfilt?=?x(1:)?-?xfilt(1:);
????%?mse_filt?=?sqrt(sum(sum(dfilt.^2)))

%?????dsmooth?=?x(1:)?-?xsmooth(1:);
%?????mse_smooth?=?sqrt(sum(sum(dsmooth.^2)))
????ykalman?=?ykalman(1:);
????
????%?帶阻濾波,消除50Hz工頻干擾
?????%?經(jīng)頻譜分析可知,有用信號的頻率成分可能落在工頻帶,因此不能使用此方法
%?????Hd?=?bandstop;
%?????ykalman?=?filter(Hdykalman);
????
????%計(jì)算信噪比
????eta?=?ynf?-?ykalman;?%?Residual?Signal
????snrpkalman?=?10*log(?(ynf*ynf‘)/(eta*eta‘)?);???
%?????figure
%?????plot(tynf‘r‘tynf+ysin‘m‘tykalman‘b‘);
%?????legend(‘ynf‘?‘ynf+ysin‘?‘ykalman‘)
%?????title(‘Kalman‘);
????
????save(‘Data/kalman.mat‘‘ykalman‘‘snrpkalman‘);
end


?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????69460??2013-07-11?22:15??ircbp2.1_wkp\Data\dictCA.mat

?????文件??????15987??2013-07-11?22:15??ircbp2.1_wkp\Data\realdata.mat

?????文件??????16063??2013-07-11?22:15??ircbp2.1_wkp\Data\simdata.mat

?????文件???????1337??2013-07-11?22:15??ircbp2.1_wkp\ex1kalman.m

?????文件????????748??2013-07-11?22:15??ircbp2.1_wkp\ex2sgolay.m

?????文件???????1065??2013-07-11?22:15??ircbp2.1_wkp\ex3bp.m

?????文件???????9925??1980-01-01?14:04??ircbp2.1_wkp\ex4ircbp.m

?????文件???????9955??1980-01-01?14:04??ircbp2.1_wkp\ex4ircbp.m~

?????文件???????1453??2013-07-11?22:15??ircbp2.1_wkp\getdata.m

?????文件???????2145??2013-07-11?22:15??ircbp2.1_wkp\getdictCA.m

?????文件???16393591??2013-12-07?23:32??ircbp2.1_wkp\toolbox\cvx-a64.tar.gz

-----------?---------??----------?-----??----

?????????????16521729????????????????????11


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