ECGdata.zip_ECG data.pickle_ECGData.zip_ECG_read_ECGdata如何使用_用电数

clc; close all; %------ SPECIFY DATA ------------------------------------------------------ PATH= 'Z:\ExperimentData\02HeartRate\20170815_ECGdata\0101A\'; % path, where data are saved % attributes-file in binary format DATAFILE='20170713-1.dat'; % data-file SAMPLES2READ=660000; % number of samples to be read % in case of more than one signal: % 2*SAMPLES2READ samples are read %------ LOAD HEADER DATA -------------------------------------------------- signald= fullfile(PATH, DATAFILE); % data in format 212 fid2=fopen(signald,'r'); A= fread(fid2, [3, SAMPLES2READ], 'uint8')'; % matrix with 3 rows, each 8 bits long, = 2*12bit fclose(fid2); %=----------------------------????----------------------------------- M2H= bitshift(A(:,2), -4); %???????????????? M1H= bitand(A(:,2), 15); %??????? M( : , 1)= bitshift(M1H,8)+ A(:,1); %???????? M( : , 2)= bitshift(M2H,8)+ A(:,3); %???????? M = (M-1024)/200; %???????????????M? %----------------------------??????30???????--------------------------------- for t=1:9 str=num2str(t); name=['D:\MATLAB??\MIT-BTH txt??\',str,'.txt']; fid=fopen(name,'wt'); m1=21600*(t-1)+1; m2=21600*t; n=2; for i=m1:1:m2 for j=1:1:n if j==n fprintf(fid,'%5.3f\n',M(i,j)); else fprintf(fid,'%5.3f\t',M(i,j)); end end end fclose(fid); end %----------?????? t=10; str=num2str(t); name=['D:\MATLAB??\MIT-BTH txt??\',str,'.txt']; fid=fopen(name,'wt'); m1=21600*(t-1)+1; m2=length(M); n=2; for i=m1:1:m2 for j=1:1:n if j==n fprintf(fid,'%5.3f\n',M(i,j)); else fprintf(fid,'%5.3f\t',M(i,j)); end end end fclose(fid); fprintf('??\n');