22 lines
411 B
Matlab
22 lines
411 B
Matlab
% x2 freqentiel
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f0 = 2;
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N = 20;
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fe = 50*N*f0;
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Tps = [0 :1/fe: 1-1/fe];
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for r = [1/2,1/3,1/4]
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a0 = r;
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x = a0 * ones(1,length(Tps));
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for n = 1:N
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an = 2*sin(n*pi*r)/(n*pi);
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x = x + a0 + an*cos(n*2*pi*f0*Tps);
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end
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X=fft(x);
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Frq = [0 : fe/length(x) : fe - fe/length(x)];
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figure
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plot(Frq,abs(X));
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xlabel = "f";
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ylabel = "Sx2(f)";
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Title = "DSP de x2";
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end
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