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TP3_2: terminated.

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This commit is contained in:
Diogo Cordeiro 2020-12-03 10:49:38 +00:00
parent 0dcd250ea0
commit adcbb6800a
1 changed files with 12 additions and 9 deletions
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21
TP3a/DiogoEliseu_TP3_2.m
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@ -14,50 +14,53 @@ EEG = EEG';
Ls = length(sintetico);
Ts = 0.125;
Fs = 1/Ts;
Fs_vector = (0:Ls-1)/Ls * Fs;
Fs_vector = (0:Ls/2-1)/(Ls/2) * Fs;
% sinal cello
Lc = length(cello.x);
Tc = cello.dt;
Fc = 1/Tc;
Fc_vector = (0:Lc-1)/Lc * Fc;
Fc_vector = (0:Lc/2-1)/(Lc/2) * Fc;
% sinal EEG
Le = length(EEG);
Fe = 100;
Fe_vector = (1:Le-1)/Le * Fe;
Fe_vector = (1:Le/2-1)/(Le/2) * Fe/2;
figure(1)
subplot(2,1,1)
plot(sintetico);
title('sinal sintetico');
xlabel('t'), ylabel('sintetico(t)'), title('sinal sintetico');
subplot(2,1,2)
DFT_synth = fft(sintetico, Ls);
plot(Fs_vector, abs(DFT_synth))
DFT_synth_pi = DFT_synth(1 : (Ls)/2);
plot(Fs_vector, abs(DFT_synth_pi))
xlabel('\omega/\pi'), ylabel('|X(\omega)|'), title('DFT sintetico em [0, \pi]')
figure(2)
subplot(2,1,1)
plot(cello.x);
title('sinal cello');
xlabel('t'), ylabel('cello(t)'), title('sinal cello');
subplot(2,1,2)
DFT_cello = fft(cello.x, Lc);
plot(Fc_vector, abs(DFT_cello))
DFT_cello_pi = DFT_cello(1 : (Lc)/2);
plot(Fc_vector, abs(DFT_cello_pi))
xlabel('\omega/\pi'), ylabel('|X(\omega)|'), title('DFT cello em [0, \pi]')
figure(3)
subplot(2,1,1)
plot(EEG);
title('sinal EEG');
xlabel('t'), ylabel('eeg(t)'), title('sinal EEG');
subplot(2,1,2)
DFT_EEG = fft(EEG, Le-1);
plot(Fe_vector, abs(DFT_EEG))
DFT_EEG_pi = DFT_EEG(1 : (Le-1)/2);
plot(Fe_vector, abs(DFT_EEG_pi))
xlabel('\omega/\pi'), ylabel('|X(\omega)|'), title('DFT EEG em [0, \pi]')