48 lines
777 B
Mathematica
48 lines
777 B
Mathematica
|
clear;
|
||
|
|
close all;
|
||
|
|
|
||
|
|
load('EbN0_db');
|
||
|
|
|
||
|
|
figure;
|
||
|
|
|
||
|
|
load('ASK4');
|
||
|
|
semilogy(EbN0_db, smoothdata(TEBs));
|
||
|
|
hold;
|
||
|
|
|
||
|
|
load('QPSK');
|
||
|
|
semilogy(EbN0_db, smoothdata(TEBs));
|
||
|
|
|
||
|
|
load('PSK8');
|
||
|
|
semilogy(EbN0_db, smoothdata(TEBs));
|
||
|
|
|
||
|
|
load('QAM16');
|
||
|
|
semilogy(EbN0_db, smoothdata(TEBs));
|
||
|
|
|
||
|
|
title("TEB = f(E_b/N_0)");
|
||
|
|
xlabel("E_b/N_0 (dB)");
|
||
|
|
ylabel("TEB");
|
||
|
|
legend("4-ASK", "QPSK", "8-PSK", "16-QAM");
|
||
|
|
|
||
|
|
%%
|
||
|
|
|
||
|
|
figure;
|
||
|
|
|
||
|
|
load('ASK4');
|
||
|
|
plot(smoothdata(DSP)/max(smoothdata(DSP)));
|
||
|
|
hold;
|
||
|
|
|
||
|
|
load('QPSK');
|
||
|
|
plot(smoothdata(DSP)/max(smoothdata(DSP)));
|
||
|
|
|
||
|
|
load('PSK8');
|
||
|
|
plot(smoothdata(DSP)/max(smoothdata(DSP)));
|
||
|
|
|
||
|
|
load('QAM16');
|
||
|
|
plot(smoothdata(DSP)/max(smoothdata(DSP)));
|
||
|
|
|
||
|
|
title("DSP des modulations");
|
||
|
|
xlabel("Fréquence (Hz)");
|
||
|
|
ylabel("Amplitude");
|
||
|
|
axis tight;
|
||
|
|
xlim([0 6000]);
|
||
|
|
legend("4-ASK", "QPSK", "8-PSK", "16-QAM");
|