Similate single sine wave

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!

回答 (2 件)

Setsuna Yuuki.
Setsuna Yuuki. 2020 年 11 月 15 日

0 投票

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 2020 年 11 月 17 日

0 投票

Thank u very much, but I think I did something wrong, as this is the image that I get.

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2020 年 11 月 15 日

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2020 年 11 月 17 日

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