clc
clear
close all

if( exist( 'ChallengeSet.mat' ) )
    load ChallengeSet.mat;
    index = 1;                                          %index 1..20
    
    Fs = newChallengeSet{index,1}.samplingFrequency;    % Sampling frequency
    T = 1/Fs;                                           % Sampling period
    L = length(newChallengeSet{index,1}.data(1,:));     % Length of signal
    t = (0:L-1)*T;                                      % Time vector
    
    signal = newChallengeSet{index,1}.data(1,:);
    
    figure(100)
    grid on
    plot(t,signal);
    
end
