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on 16 Oct 2022
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fs = 1000;
T = 2;
t = 0:1/fs:T;
derau = (rand(size(t))-0.5);
tmp = [];
tmp(1,:) = 1*sin(2*pi*1*t) + (4*derau);
tmp(2,:) = 1*sin((2*pi*1.25*t) + deg2rad(120)) + (1.5*derau);
tmp(3,:) = 2*sin((2*pi*0.75*t) - deg2rad(120)) + derau;
surf(tmp);
colormap jet
shading interp
axis off ij
view(40,65)
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