Similate single sine wave

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MadjeKoe
MadjeKoe le 15 Nov 2020
Hi all! Can somebody tell me if it is possible to similate this wave in matlab? Including the raw data on the background and the same axes? Thank u in advance!

Réponses (2)

Setsuna Yuuki.
Setsuna Yuuki. le 15 Nov 2020
I commented in other post, but this is a possible answer:
time = linspace(-40,40,2000); %change limits
signal = 80*sind(2*180*time); %sine wave in degree
i = -40; j = 1;
comp = 25:25:2000;
vectorx = zeros(1,length(time));
% Simulated Error
for n = 1:length(time)
vectorx(n) = i;
if(n == comp(j))
i = i+1;
j = j+1;
end
end
errorSimulated = rand(1,length(vectorx));
%End simulated error
yyaxis left; %name axis Y left
plot(time,signal); hold on; %plot sine wave0
ylabel('Sinusoidal signal')
ylim([-90 90]) %Y limits
yyaxis right; %name axis Y right
scatter(vectorx,errorSimulated,'filled','r') %scatter of error
ylabel('Simulated error')
xlim([-40 40]) %X limits

MadjeKoe
MadjeKoe le 17 Nov 2020
Thank u very much, but I think I did something wrong, as this is the image that I get.

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