how to add pink noise to force
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this is the function for the oscillator with the additional force of white noise (awgn). and can I somehow add pink noise to the force? instead of awgn
function dy=x(t,y) global w0 alfa f gama teta b %k1 = wgn(1000,1,100); dy=zeros(2,1);
dy(1)=y(2); %dy(2)=-teta*y(2)+w0^2*(1-alfa*y(1)^2)*y(1)+f*cos(gama*t); %dy(2)=-teta*y(2)+w0*y(1)-alfa*y(1)^3+f*cos(gama*t)+wgn(1000,1,0);
dy(2)=-teta*y(2)+w0^2*(1-alfa*y(1)^2)*y(1)+f*cos(gama*t)+b*awgn(dy(2),0.01);
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Hristo Zhivomirov
el 7 de Oct. de 2018
Hi Lasha!
Please, see my code Pink, Red, Blue and Violet Noise Generation with Matlab on Matlab File Exchange. You can use example2.m in order to add some pink noise to your initial signal.
All best,
Hristo Zhivomirow
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