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Reconhecimento de aves.

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rainydaysavings 2021-01-01 15:56:16 +00:00
parent 4720552bb5
commit 872d10398e
6 changed files with 6 additions and 6 deletions
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TP3_8/Canto2.mp3 Normal file
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TP3_8/DiogoEliseu_TP3_8_spectogram.m
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@ -38,7 +38,7 @@ f_s_half = f_s_2pi(1:(length(f_s_2pi)/2));
DFT_s = fft(s);
DFT_s_half = DFT_s(1 : (L_s/2));
plot(f_s_half, abs(DFT_s_half));
title("X in function of the frequency (kHz)"); ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("X in function of the frequency (kHz)"); ylabel("Amplitude"); xlabel("Frequency (kHz)");
% DFT chirp
subplot(2,2,4)
@ -48,7 +48,7 @@ f_s_chirp_half = f_s_chirp_2pi(1:(length(f_s_chirp_2pi)/2));
DFT_s = fft(s_chirp);
DFT_s_chirp_half = DFT_s(1 : (L_s_chirp/2));
plot(f_s_chirp_half, abs(DFT_s_chirp_half));
title("Xs in function of the frequency (kHz)"); ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("Xs in function of the frequency (kHz)"); ylabel("Amplitude"); xlabel("Frequency (kHz)");
%% Second bird - Black-winged Stilt
@ -86,7 +86,7 @@ f_s_half = f_s_2pi(1:(length(f_s_2pi)/2));
DFT_s = fft(s);
DFT_s_half = DFT_s(1 : (L_s/2));
plot(f_s_half, abs(DFT_s_half));
title("X in function of the frequency (kHz)"); ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("X in function of the frequency (kHz)"); ylabel("Amplitude"); xlabel("Frequency (kHz)");
% DFT chirp
subplot(2,2,4)
@ -96,7 +96,7 @@ f_s_chirp_half = f_s_chirp_2pi(1:(length(f_s_chirp_2pi)/2));
DFT_s = fft(s_chirp);
DFT_s_chirp_half = DFT_s(1 : (L_s_chirp/2));
plot(f_s_chirp_half, abs(DFT_s_chirp_half));
title("Xs in function of the frequency (kHz)"); ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("Xs in function of the frequency (kHz)"); ylabel("Amplitude"); xlabel("Frequency (kHz)");
%% Third bird - Grey Heron
@ -134,7 +134,7 @@ f_s_half = f_s_2pi(1:(length(f_s_2pi)/2));
DFT_s = fft(s);
DFT_s_half = DFT_s(1 : (L_s/2));
plot(f_s_half, abs(DFT_s_half));
title("X in function of the frequency (kHz)"); ylim([0 300]);ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("X in function of the frequency (kHz)"); ylim([0 300]);ylabel("Amplitude"); xlabel("Frequency (kHz)");
% DFT chirp
subplot(2,2,4)
@ -144,5 +144,5 @@ f_s_chirp_half = f_s_chirp_2pi(1:(length(f_s_chirp_2pi)/2));
DFT_s = fft(s_chirp);
DFT_s_chirp_half = DFT_s(1 : (L_s_chirp/2));
plot(f_s_chirp_half, abs(DFT_s_chirp_half));
title("Xs in function of the frequency (kHz)");ylim([0 40]); ylabel("Amplitude (Hz)"); xlabel("Frequency (kHz)");
title("Xs in function of the frequency (kHz)");ylim([0 40]); ylabel("Amplitude"); xlabel("Frequency (kHz)");

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