What changes are required in the code
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clc
clear all
close all
C = readtable('G2_adult.txt', 'NumHeaderLines',8);
%Convert to SI Units
accG2test = C{:,1}.*9.81;
forceG2test = C{:,2}.*0.00981;
dispG2test = C{:,3}./1000;
% time = dispG2test./accG2test;
dispG2test2 = smoothdata(dispG2test, 'sgolay', 100);
% Valleys Of Smoothed Data
[Vlys,vlocs] = findpeaks(-dispG2test2, 'MinPeakProminence',0.5);
Vlys = [-dispG2test2(1); Vlys];
vlocs = [1;vlocs];
% Sampling Interval
Ts = 1;
t = 1:height(C);
figure
plot(t, dispG2test2)
hold on
plot(t(vlocs), -Vlys, '+r')
hold off
for k = 1:numel(vlocs)-1
% Index Range For This Segment
idx{k} = vlocs(k):vlocs(k+1);
% Time Vector
tc{k} = t(idx{k});
% Signal Segment
sc{k} = forceG2test(idx{k});
end
% Maximum Segment Length
tcmax = max(cellfun(@numel,tc));
% Preallocate
ensb = zeros(tcmax,numel(idx));
for k = 1:numel(idx)
% Create 'Ensemble'
ensb(1:numel(idx{k}),k) = sc{k};
end
figure
% Plot Ensemble
plot(1:tcmax, ensb)
title ('C:Diflection Vs Time (Cycles)');
xlabel('Time[sec]');
ylabel('Diflection[m]');

Please Refer the attached .txt file for the data
7 commentaires
Star Strider
le 19 Oct 2021
Manav Divekar
le 19 Oct 2021
Star Strider
le 19 Oct 2021
My answer was never followed up, and the signal to be analysed was never clarified.
Nevertheless,. my code in my un-accepted answer appears here without attribution.
This is just wrong.
Sulaymon Eshkabilov
le 19 Oct 2021
In addition to what Start Strider has propsed in his complete answer code, you can apply some sort of moving average smoothing filter, e.g.: smoothdata() to get rid of the jagged plotted points as shown in the answer code of Star Strider. Note that what Star Strider has proposed is a complete code.
Star Strider
le 19 Oct 2021
Manav Divekar
le 19 Oct 2021
Star Strider
le 19 Oct 2021
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