19 lines
427 B
Matlab
19 lines
427 B
Matlab
%% Exercício 2
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w1 = (0:15) * 2 * pi / 16;
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w2 = (0:1023) * 2 * pi / 1024;
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x1 = ones(1,16);
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x2 = cos(3 * pi * (0:15) / 8);
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DFT1 = fft(x1);
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DTFT1 = fft(x1, 1024);
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DFT2 = fft(x2);
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DTFT2 = fft(x2, 1024);
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subplot(2,1,1)
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plot(w1, abs(DFT1), w2, abs(DTFT1))
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xlabel('cenas'), ylabel('Modulo'), title('DFT / DTFT de x1')
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subplot(2,1,2)
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plot(w1, abs(DFT2), w2, abs(DTFT2))
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xlabel('cenas'), ylabel('Modulo'), title('DFT / DTFT de x2') |