main.m

卫星信道中的调制识别的matlab仿真分析

close all;
clear all;
snr_in=6;%设定接收信号的信噪比
%select=menu('调制方式','2ASK','4ASK','2FSK','4FSK','2PSK','QPSK','16QAM');
for i=1:7
switch i
        case 1,figure(1); y=ask_2(snr_in);%figure(1);
        case 2,figure(2); y=ask_4(snr_in);%figure(2);
        case 3,figure(3);y=fsk_2(snr_in);%figure(3);
        case 4,figure(4); y=fsk_4(snr_in);%figure(4);
        case 5,figure(5); y=psk_2(snr_in);%figure(5);
        case 6,figure(6); y=qpsk(snr_in);%figure(6);
        case 7,figure(7); y=QAM_16(snr_in);%figure(7);
end
        %调用调制方式信号的产生函数
    TX(y);%提取特征值1
end