clc; clear all; 
%------ SPECIFY DATA ------------------------------------------------------ 
%%选择文件名称 
stringname='111'; 
%选择你要处理的信号点数 
points=10000;   
PATH= 'W:\ecgmalab\data'; % path, where data are saved 
HEADERFILE= strcat(stringname,'.hea');            % header-file in text format
ATRFILE= strcat(stringname,'.atr');                % attributes-file in binary format
DATAFILE=strcat(stringname,'.dat');                % data-file 
SAMPLES2READ=points;                  % number of samples to be read                   
                                   % in case of more than one signal:                                                
                                                % 2*SAMPLES2READ samples are read