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2020-10-21 01:28:09 +01:00
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%% Inicialização do ambiente
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clear ; close all; clc
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%% Exercício 11
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2020-10-24 18:20:32 +01:00
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n = 0:255;
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x = cos(20*pi*n/256)+cos(200*pi*n/256);
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2020-10-21 01:28:09 +01:00
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2020-10-24 18:20:32 +01:00
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cx1 = [0.5,0.4,0.3];
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y1 = filter(cx1,1,x);
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2020-10-21 01:28:09 +01:00
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2020-10-24 18:20:32 +01:00
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cx2 = [0.4,0.5,0.4];
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cy2 = [1,-0.5,0.4];
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y2 = filter(cx2,cy2,x);
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2020-10-21 01:28:09 +01:00
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2020-10-24 18:20:32 +01:00
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subplot(3,1,1),plot(n,x)
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xlabel('n'),ylabel('Amplitude'),title('x[n]')
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subplot(3,1,2),plot(n,y1)
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xlabel('n'),ylabel('Amplitude'),title('y1[n]')
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subplot(3,1,3),plot(n,y2)
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xlabel('n'),ylabel('Amplitude'),title('y2[n]')
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