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1. uvod u digitalnu sliku - Laboratorija za digitalnu obradu signala

1. uvod u digitalnu sliku - Laboratorija za digitalnu obradu signala

1. uvod u digitalnu sliku - Laboratorija za digitalnu obradu signala

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ylabel('Amplituda <strong>signala</strong>')<br />

grid on<br />

w1=fft(y2,512); % RACUNANJE SPEKTRA SIGNALA NAKON<br />

INTERPOLACIJE<br />

Pyy1 = abs(w1)/length(y2);<br />

fyy1=(n+1)*fs*[1:512]/512;<br />

subplot(224)<br />

plot(fyy1,Pyy1(1:512)) % IZGLED SPEKTRA DISKRETNOG SIGNALA<br />

title('Spektar <strong>signala</strong>','FontSize',14)<br />

xlabel(' frekvencija [Hz]')<br />

ylabel('Magnituda')<br />

grid on<br />

%****** Filtriranje FIR filtrom***********<br />

red=3; % Red filtra<br />

Wn=0.8/(n+1); % Granicna frekvencija digitalnog filtra, 0

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