資源簡介
利用小波變換對EEG信號進(jìn)行特征提取,所采用的EEG信號為BCI競賽數(shù)據(jù)庫基于運動想象的EEG信號

代碼片段和文件信息
%?Extract?Discrete?Wavelet?Transform?(DWT)?Feature
close?all;?clear;?clc;
load?dataset_BCIcomp1.mat
Y=y_train;
%?Range?is?0?to?9?sec
startS=0;
endS=9;
wStep=1;
wRange=9;
X=extractDWT(x_trainstartSendSwStepwRange);
T=extractDWT(x_teststartSendSwStepwRange);
save?dataDWT.mat?X?Y?T
color_L?=?[0?102?255]?./?255;
color_R?=?[255?0?102]?./?255;
pos?=?find(Y==1);
plot(X(pos1)X(pos2)‘x‘‘Color‘color_L‘LineWidth‘2);
hold?on
pos?=?find(Y==2);
plot(X(pos1)X(pos2)‘o‘‘Color‘color_R‘LineWidth‘2);
legend(‘Left?Hand‘‘Right?Hand‘)
xlabel(‘C3‘‘fontweight‘‘bold‘)
ylabel(‘C4‘‘fontweight‘‘bold‘)
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????621??2016-07-01?11:43??新建文件夾\app1.m
?????文件?????7742184??2016-07-01?11:43??新建文件夾\dataset_BCIcomp1.mat
?????文件?????????923??2016-07-01?11:43??新建文件夾\extractDWT.m
?????目錄???????????0??2019-03-07?10:48??新建文件夾\
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